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FINANCIAL INSTRUMENTS - Derivatives (Details) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Disclosure of detailed information about financial instruments [line items]    
Fair value of financial assets $ 9,805 $ 7,070
Fair value of financial liabilities $ (66,006) $ (62,406)
Net investment hedges | Interest rate caps of US$ LIBOR debt    
Disclosure of detailed information about financial instruments [line items]    
Notional 2,042 9,590
Fair value of financial assets $ 20 $ 0
Net investment hedges | Interest rate caps of US$ LIBOR debt | Bottom of range    
Disclosure of detailed information about financial instruments [line items]    
Rates 2.50% 2.50%
Net investment hedges | Interest rate caps of US$ LIBOR debt | Top of range    
Disclosure of detailed information about financial instruments [line items]    
Rates 500.00% 500.00%
Net investment hedges | Interest rate caps of US$ SOFR debt    
Disclosure of detailed information about financial instruments [line items]    
Notional 3,989  
Fair value of financial assets $ 74  
Net investment hedges | Interest rate caps of US$ SOFR debt | Bottom of range    
Disclosure of detailed information about financial instruments [line items]    
Rates 1.00%  
Net investment hedges | Interest rate caps of US$ SOFR debt | Top of range    
Disclosure of detailed information about financial instruments [line items]    
Rates 600.00%  
Net investment hedges | Interest rate swaps of US$ SOFR debt    
Disclosure of detailed information about financial instruments [line items]    
Notional 2,500  
Fair value of financial assets $ 3  
Net investment hedges | Interest rate swaps of US$ SOFR debt | Top of range    
Disclosure of detailed information about financial instruments [line items]    
Rates 370.00%  
Net investment hedges | Interest rate caps of £ SONIA debt    
Disclosure of detailed information about financial instruments [line items]    
Notional 1,024  
Fair value of financial assets $ 41  
Net investment hedges | Interest rate caps of £ SONIA debt | Bottom of range    
Disclosure of detailed information about financial instruments [line items]    
Rates 1.00%  
Net investment hedges | Interest rate caps of £ SONIA debt | Top of range    
Disclosure of detailed information about financial instruments [line items]    
Rates 250.00%  
Net investment hedges | Interest rate swaps of £ SONIA debt    
Disclosure of detailed information about financial instruments [line items]    
Notional 804 974
Rates 2.70% 2.00%
Fair value of financial assets $ 20 $ 5
Net investment hedges | Interest rate caps of € EURIBOR debt    
Disclosure of detailed information about financial instruments [line items]    
Notional 96  
Rates 1.30%  
Fair value of financial assets $ 0  
Net investment hedges | Interest rate caps of C$ LIBOR debt    
Disclosure of detailed information about financial instruments [line items]    
Notional 177  
Fair value of financial assets $ 2  
Net investment hedges | Interest rate caps of C$ LIBOR debt | Bottom of range    
Disclosure of detailed information about financial instruments [line items]    
Rates 4.00%  
Net investment hedges | Interest rate swaps of AUD BBSW/BBSY debt    
Disclosure of detailed information about financial instruments [line items]    
Notional 132 422
Fair value of financial assets $ 0 $ 0
Net investment hedges | Interest rate swaps of AUD BBSW/BBSY debt | Bottom of range    
Disclosure of detailed information about financial instruments [line items]    
Rates 5.30% 0.80%
Net investment hedges | Interest rate swaps of AUD BBSW/BBSY debt | Top of range    
Disclosure of detailed information about financial instruments [line items]    
Rates 580.00% 160.00%
Net investment hedges | Interest rate swaps of US$ LIBOR debt    
Disclosure of detailed information about financial instruments [line items]    
Notional   2,130
Fair value of financial liabilities   $ (50)
Net investment hedges | Interest rate swaps of US$ LIBOR debt | Bottom of range    
Disclosure of detailed information about financial instruments [line items]    
Rates   1.00%
Net investment hedges | Interest rate swaps of US$ LIBOR debt | Top of range    
Disclosure of detailed information about financial instruments [line items]    
Rates   260.00%
Net investment hedges | Interest rate caps of £ LIBOR debt    
Disclosure of detailed information about financial instruments [line items]    
Notional   2,301
Fair value of financial assets   $ 0
Net investment hedges | Interest rate caps of £ LIBOR debt | Bottom of range    
Disclosure of detailed information about financial instruments [line items]    
Rates   1.00%
Net investment hedges | Interest rate caps of £ LIBOR debt | Top of range    
Disclosure of detailed information about financial instruments [line items]    
Rates   250.00%
Net investment hedges | Interest rate caps of € EURIBOR debt    
Disclosure of detailed information about financial instruments [line items]    
Notional   102
Rates   1.30%
Fair value of financial assets   $ 0
Net investment hedges | Interest rate caps of C$ LIBOR debt    
Disclosure of detailed information about financial instruments [line items]    
Notional   240
Rates   2.00%
Fair value of financial assets   $ 0