v3.26.1
Income Taxes (Income Taxes And Related Effective Tax Rates) (Detail) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Disclosure Income Taxes Income Taxes And Related Effective Tax Rates [Abstract]    
Income (loss) from continuing operations before income taxes $ (41) $ (62)
Provision (benefit) for income taxes $ 0 $ 0
Effective tax rate 0.00% 0.00%