v3.25.4
Income Taxes - Schedule of Reconciliation of Federal Statutory Rate and Effective Tax Rate (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Income Tax Disclosure [Abstract]      
Federal statutory income tax $ 5    
Federal statutory income tax (21.00%) (21.00%) (21.00%)
Research and development credits $ (54)    
Research and development credits 213.20% (36.30%) (6.80%)
Non-deductible executive compensation $ 10    
Non-deductible executive compensation (41.00%)    
Excess tax benefits on share-based compensation $ (36)    
Excess tax benefits on share-based compensation 141.60%    
Meals and entertainment $ 2    
Meals and entertainment (6.70%) 1.60% 0.10%
Other, net $ 0    
Other, net (0.60%) 1.90% (8.30%)
Share-based compensation   5.30% 10.40%
Non-deductible executive compensation   16.90% 10.80%
Changes in valuation allowances - federal $ 55    
Changes in valuation allowances - federal (216.30%) 46.70% 15.00%
U.S. state and local income taxes $ (5)    
U.S. state and local income taxes 21.40% (11.10%) 2.60%
Foreign tax effects $ (1)    
Foreign tax effects (5.00%)    
Worldwide changes in unrecognized tax benefits $ 24    
Worldwide changes in unrecognized tax benefits (95.50%)    
Total income tax expense $ 2 $ 5 $ 4
Effective taxes 9.90% (4.00%) (2.80%)