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SUPPLEMENTAL CASH FLOW DISCLOSURES - Schedule of Supplemental Cash Flow Disclosures (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Other payments      
Interest paid $ 1,419 $ 1,474 $ 1,537
Income taxes paid $ 240 $ 162 $ 172