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ACCOUNTS RECEIVABLE AND OTHER (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Current:    
Accounts receivable $ 1,847 $ 1,463
Finance lease receivables 29 12
Prepayments & other assets 328 450
Total current 2,204 1,925
Non-current:    
Finance lease receivables 667 343
Restricted cash 127 81
Accounts receivable 35 123
Other assets 312 209
Total non-current $ 1,141 $ 756