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Debt and Credit Agreements - Schedule of Unrealized Amounts Related to Cash Flow Hedges (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Cash Flow Hedging      
Derivative [Line Items]      
Unrealized Gain - Net $ (1) $ 3 $ 0