Financial Derivative Instruments and Risk Management - Net of Tax Impact of the Overall Effectiveness of Derivative Instruments Designated as Cash Flow Hedging Instruments (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Derivatives designated as cash flow hedges
Interest rate derivative contract gains (losses), net of tax	$ 0	$ (7)
Interest Rate Swap
Derivatives designated as cash flow hedges
Interest rate derivative contract gains (losses), net of tax	$ 0	$ (7)