v3.26.1
Restructuring Charges (Schedule of Change in Restructuring Accrual) (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Restructuring Charges [Abstract]      
Outstanding Restructuring Accrual, Beginning of Year $ 1 $ 19 $ 19
Restructuring Expenses Incurred 0 $ 10 12
Restructuring Costs Paid (1)   (30)
Outstanding Restructuring Accrual, End of Year $ 0   $ 1