v3.25.0.1
Reconciliation of Income Tax expense to Federal Statutory Rate (Table) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Effective Federal Income Tax Reconciliation [Abstract]      
U.S. federal statutory tax rate $ 135 $ 179 $ 151
U.S. federal statutory tax rate, percent 21.00% 21.00% 21.00%
Foreign tax effects $ 2    
Foreign tax effects, percent 0.30%    
Effect of cross-border tax laws $ (3) $ (1)  
Effect of cross-border tax laws, percent (0.50%) (0.10%)  
Research and development tax credit $ (49) $ (22) $ (22)
Research and development tax credit, percent (7.60%) (2.60%) (3.10%)
Other tax credits $ (2) $ (2) $ (1)
Other tax credits, percent (0.30%) (0.20%) (0.10%)
Nontaxable or nondeductible items $ 1 $ 6 $ 6
Nontaxable or nondeductible items, percent 0.20% 0.70% 0.80%
Change in unrecognized tax benefits $ 18 $ 10 $ 8
Change in unrecognized tax benefits, percent 2.80% 1.20% 1.10%
Interest accrual on tax refunds $ (8) $ (6) $ (3)
Interest accrual on tax refunds, percent (1.20%) (0.70%) (0.40%)
Other adjustments $ (1) $ 8 $ 1
Other adjustments, percent (0.20%) 0.90% 0.20%
Total federal and foreign income taxes $ 93 $ 172 $ 140
Effective income tax rate, percent 14.50% 20.20% 19.50%