v3.26.1
Income and Other Taxes - Unrecognized Tax Benefits Rollforward (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Unrecognized Tax Benefits [Roll Forward]      
Beginning balance $ 95 $ 140 $ 110
Additions related to current year 2 1 1
Additions related to prior years positions 0 0 57
Additions related to business acquisitions 20 0 0
Reductions related to prior years positions (1) 0 (14)
Settlements with taxing authorities 0 (29) (13)
Reductions related to lapse of statute of limitations (80) (18) (2)
Currency (1)    
Currency   1 1
Ending balance 35 95 140
Tax positions, highly certain of realizability but with uncertainty of timing (2) (2) (31)
Accruals for payment of interest and penalties $ 6 $ 0 $ (2)