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INCOME TAXES - Unrecognized Tax Benefits (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]      
Total unrecognized tax benefits at January 1 $ 1,296 $ 861 $ 721
Increases for current year’s tax positions 55 97 51
Increases for prior years’ tax positions 168 515 217
Decreases for prior years’ tax positions (119) (107) (74)
Amounts of decreases relating to settlements (50) (64) (40)
Reductions due to lapse of statutes of limitation (26) (2) (13)
Foreign exchange, acquisitions and dispositions (13) (4) (1)
Total unrecognized tax benefits at December 31 $ 1,311 $ 1,296 $ 861