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Financial Derivative Instruments and Risk Management - Effect of Interest Rate Derivative Instruments (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Interest Rate Swap        
Derivatives designated as cash flow hedges        
Amortization of cash flow hedges, net of tax $ 0 $ (1) $ 0 $ (1)