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Income Taxes Unrecognized Tax Benefit (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Jan. 01, 2023
Jan. 01, 2022
Jan. 01, 2021
Income Tax [Line Items]            
Unrecognized tax benefit — Permanent tax positions $ 41 $ 55        
Unrecognized tax benefit — Temporary tax positions 0 12        
Total unrecognized tax benefit 41 67 $ 58 $ 67 $ 58 $ 52
Additions based on tax positions related to the current year 5 7 5      
Additions for tax positions of prior years 1 6 2      
Reductions for tax positions of prior years 29 1 1      
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities (1) (1) 0      
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations (2) (2) 0      
NOL and tax credit carryforwards 35 40        
Upper bound of decrease in unrecognized tax benefit that is reasonably possible 14          
Payable for interest related to unrecognized tax benefits at Jan. 1 (1) (4) (3) $ (4) $ (3) $ (3)
Interest benefit (expense) related to unrecognized tax benefits 3 (1) 0      
Unrecognized Tax Benefits, Income Tax Penalties Expense $ 0 $ 0 $ 0