XML 66 R56.htm IDEA: XBRL DOCUMENT v3.10.0.1
FINANCIAL ASSETS AND LIABILITIES - Reconciliation of movements relating to financial instruments (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2018
Dec. 31, 2017
The reconciliation of movements relating to financial instruments    
Financial liabilities $ 10,571 $ 11,630
Transfers of financial assets from level 1 to 2 0  
Transfers of financial assets from level 2 to 1 0  
Transfers of financial assets into 3 0  
Transfers of financial assets from 3 0  
Transfers of financial liabilities from level 1 to 2 0  
Transfers of financial liabilities from level 2 to 1 0  
Transfers of financial liabilities into 3 0  
Transfers of financial liabilities from 3 0  
Level 3 | Financial instruments at fair value    
The reconciliation of movements relating to financial instruments    
Financial liabilities 49 49
Contingent consideration | Level 3 | Financial instruments at fair value    
The reconciliation of movements relating to financial instruments    
Financial liabilities $ 49 $ 49