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Income Taxes - Narrative (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Other income tax disclosures      
Effect of unrecognized tax benefit on income tax expense $ 26 $ 31 $ 30
Net accrued interest and penalties 13 $ 13  
State      
Operating loss carryforwards      
State NOL carryforwards 4,526    
Deferred income tax asset for State NOL carryforwards 218    
State interest limitation carryforwards 742    
Deferred income tax asset for State interest limitation carryforwards 30    
Federal      
Operating loss carryforwards      
Federal NOL carryforwards 234    
Deferred income tax asset for Federal NOL carryforwards 49    
Federal interest limitation carryforwards 696    
Deferred income tax asset for Federal interest limitation carryforwards $ 146