| 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Capital Account: Capital Transfers: Credit (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 4.03
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -11.63
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Credit (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 41.28
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Debit (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 52.91
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Goods (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -25.77
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Goods: Credit (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 6.55
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Goods: Debit (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 32.31
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Goods: General Merchandise on a ... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -25.77
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Goods: General Merchandise on a ... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 6.55
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Goods: General Merchandise on a ... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 32.31
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 5.05
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Credit (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 22.76
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Debit (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 17.72
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Transport (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -7.75
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Transport: Credit (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.02
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Transport: Debit (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 7.77
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Transport: Others (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.06
            
                                        Dec 2012
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2012
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Transport: Others: Cre... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.06
            
                                        Dec 2012
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2012
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Transport: Freight (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -5.74
            
                                        Dec 2012
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2012
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Transport: Freight: De... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 5.74
            
                                        Dec 2012
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2012
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Transport: Passenger (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -0.21
            
                                        Dec 2012
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2012
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Transport: Passenger: ... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.21
            
                                        Dec 2012
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2012
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Transport: Sea (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -6.08
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Transport: Sea: Credit (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.01
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Transport: Sea: Debit (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 6.10
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Transport: Sea: Freigh... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -5.59
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Transport: Sea: Freigh... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 5.59
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Transport: Sea: Others (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.00
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Transport: Sea: Others... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.03
            
                                        Dec 2012
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2012
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Transport: Air (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -1.67
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Transport: Air: Credit (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.00
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Transport: Air: Debit (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 1.67
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Transport: Air: Passen... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -1.41
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Transport: Air: Passen... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 1.41
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Transport: Air: Freigh... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -0.26
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Transport: Air: Freigh... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.26
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Transport: Air: Others (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.00
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Transport: Air: Others... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.03
            
                                        Dec 2012
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2012
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Travel (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 14.72
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Travel: Credit (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 19.35
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Travel: Debit (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 4.63
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Travel: Business (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 3.22
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Travel: Business: Cred... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 3.73
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Travel: Business: Othe... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 3.22
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Travel: Business: Othe... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 3.73
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Travel: Personal (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 11.50
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Travel: Personal: Cred... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 15.61
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Travel: Personal: Debi... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 4.11
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Travel: Personal: Heal... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -0.26
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Travel: Personal: Heal... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.26
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Travel: Personal: Educ... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -0.13
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Travel: Personal: Educ... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.13
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Travel: Personal: Othe... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 11.89
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Travel: Personal: Othe... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 15.61
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Travel: Personal: Othe... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 3.72
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Insurance & Pension (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -0.22
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Insurance & Pension: D... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.22
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Insurance & Pension: D... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -0.19
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Insurance & Pension: D... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.19
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Financial (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -0.07
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Financial: Credit (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.00
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Financial: Debit (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.07
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Financial: Explicitly ... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -0.07
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Financial: Explicitly ... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.00
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Financial: Explicitly ... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.07
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Telecommunications, Co... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -0.28
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Telecommunications, Co... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.01
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Telecommunications, Co... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.29
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Telecommunications, Co... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -0.23
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Telecommunications, Co... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.01
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Telecommunications, Co... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.24
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Other Business (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -1.81
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Other Business: Credit (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.21
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Other Business: Debit (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 2.02
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Other Business: Profes... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -0.02
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Other Business: Profes... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.00
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Other Business: Profes... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.02
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Government Goods & Ser... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 1.22
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Government Goods & Ser... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 2.81
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Services: Government Goods & Ser... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 1.59
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Primary Income (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -0.60
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Primary Income: Credit (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.85
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Primary Income: Debit (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 1.45
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Primary Income: Compensation of ... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.00
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Primary Income: Compensation of ... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.00
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Primary Income: Investment Incom... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -0.74
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Primary Income: Investment Incom... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.71
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Primary Income: Investment Incom... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 1.45
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Primary Income: Investment Incom... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -1.01
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Primary Income: Investment Incom... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.38
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Primary Income: Investment Incom... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 1.39
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Primary Income: Investment Incom... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -1.01
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Primary Income: Investment Incom... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.38
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Primary Income: Investment Incom... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 1.39
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Primary Income: Investment Incom... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.00
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Primary Income: Investment Incom... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.31
            
                                        Dec 2012
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2012
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Primary Income: Investment Incom... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 1.01
            
                                        Dec 2012
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2012
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Secondary Income (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 9.69
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Secondary Income: General Govern... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 5.30
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Secondary Income: Financial Corp... (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 4.39
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                Sao Tome and Principe ST: BoP: Current Account: Secondary Income: Credit (USD mn)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 11.11
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        quarterly
                                     | 
                                    
                                        Mar 2011 - Dec 2017
                                     |