XML 166 R146.htm IDEA: XBRL DOCUMENT v3.20.4
DERIVATIVE FINANCIAL INSTRUMENTS - Additional Information (Details) - USD ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Disclosure of detailed information about hedging instruments [line items]    
Notional amount $ 14,743 $ 15,855
Financial assets at fair value through profit or loss, category    
Disclosure of detailed information about hedging instruments [line items]    
Notional amount 2,706 1,702
Interest rate swaps, cross currency interest rate swaps and other    
Disclosure of detailed information about hedging instruments [line items]    
Notional amount 11,265 10,996
Interest rate swaps, cross currency interest rate swaps and other | Financial assets at fair value through profit or loss, category    
Disclosure of detailed information about hedging instruments [line items]    
Notional amount 779 53
Inflation linked swap contract | Financial assets at fair value through profit or loss, category    
Disclosure of detailed information about hedging instruments [line items]    
Notional amount 172 $ 167
Floating Interest Rate Derivatives    
Disclosure of detailed information about hedging instruments [line items]    
Notional amount 4,829  
Bank bill swap rate    
Disclosure of detailed information about hedging instruments [line items]    
Notional amount 681  
Floating Interest Rate Benchmarked Against CDOR    
Disclosure of detailed information about hedging instruments [line items]    
Notional amount $ 1,533