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Income Taxes - Reconciliation Of Unrecognized Tax Benefits (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]    
Balance at beginning of year $ 21 $ 22
Additions based on tax positions related to the current year 3 3
Additions for tax positions of prior years 1 3
Settlements with taxing authorities (2) (5)
Lapse of statutes of limitations (1) (2)
Balance at end of year $ 22 $ 21