v3.26.1
Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Mar. 31, 2026
Tax Credit Carryforward [Line Items]      
Effective income tax rate (as a percent) 21.10% (25.50%)  
Reduction of uncertain tax positions   $ 89  
Decrease in income tax reserves   86  
Accrual of interest on long term receivable $ 1 $ 20  
Long-term income tax receivable 180   $ 178
Research and Development Tax Credits      
Tax Credit Carryforward [Line Items]      
Income tax reserves $ 80   $ 75