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Schedule II - Valuation and Qualifying Accounts and Reserves (Details) - Deferred tax assets - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at beginning of period $ 173 $ 227 $ 204
Charged to costs and expense 7 (49) 38
Charged to other  accounts (1) (3) (3)
Acquisitions 7 0 0
Deductions – write-offs (8) (2) (12)
Balance at end of period $ 178 $ 173 $ 227