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Debt and Credit Agreements - Schedule of Interest Expense (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Five Separate Fixed-to-Floating Interest Rate Swaps        
Derivative [Line Items]        
Interest Expense Impact (Increase) Decrease $ (5) $ (8) $ (10) $ (16)