Derivative Instruments and Hedging Activities - Schedule of Cash Flow Hedges Included in AOCI (Details) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
(Losses) Gains included in AOCL as of	$ (927)	$ (937)
Cash flow hedging
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
(Losses) Gains included in AOCL as of	(1)	(5)
Cash flow hedging \| Commodity contracts
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
(Losses) Gains included in AOCL as of	(2)	(7)
Tax effect of gains (losses) on cash flow hedges	1	3
Cash flow hedging \| Foreign currency contracts
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
(Losses) Gains included in AOCL as of	2	3
Tax effect of gains (losses) on cash flow hedges	2	3
Cash flow hedging \| Interest rate contracts
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
(Losses) Gains included in AOCL as of	(1)	(1)
Tax effect of gains (losses) on cash flow hedges	$ 1	$ 1

Amount, after tax, of accumulated increase (decrease) in equity from transaction and other event and circumstance from nonowner source.

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