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INTEREST EXPENSE (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure of detailed information about borrowings [line items]      
Other financing fees $ 231 $ 140 $ 83
Interest expense 1,468 1,179 904
Interest on corporate facility      
Disclosure of detailed information about borrowings [line items]      
Interest 16 19 20
Interest on corporate debt      
Disclosure of detailed information about borrowings [line items]      
Interest 87 76 63
Interest on non-recourse borrowings      
Disclosure of detailed information about borrowings [line items]      
Interest $ 1,134 $ 944 $ 738