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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Allowance for doubtful accounts      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at  Beginning of Period $ 49 $ 97 $ 132
Charged to Cost and and Expenses 1 7 6
Deductions (3) (55) (41)
Balance at End of Period 47 49 97
Deferred tax valuation allowance      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at  Beginning of Period 412 195 214
Charged to Cost and and Expenses 78 222 (20)
Deductions 0 (5) 1
Balance at End of Period $ 490 $ 412 $ 195