v3.26.1
Business Developments and Risks and Uncertainties (Schedule of Results of Operations from Discontinued Operation) (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Revenues        
Revenues $ 0 $ 3 $ 1 $ 6
Cost of sales 0 1 1 2
Total revenues from discontinued operations 0 2 0 4
Expenses:        
Operating 0 2 0 3
Increase (decrease) on loss on disposal group 0 0 1 1
Total expenses from discontinued operations 0 2 1 4
Income (loss) before income taxes from discontinued operations 0 0 (1) 0
Provision (benefit) for income taxes from discontinued operations 0 0 0 0
Income (loss) from discontinued operations, net of income taxes $ 0 $ 0 $ (1) $ 0