Financial Instruments Cash Flow Hedges Included in AOCI (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Notional Amount	$ 365	$ 3,684	$ 1,600
Designated as Hedging Instrument [Member] | Commodity Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Remaining Maturity	2 years
Beginning Balance	$ (71)	55
Additions and revaluations of derivatives designated as cash flow hedges	(18)	(41)
Clearance of hedge results to earnings	10	(15)
Ending Balance	(79)	(1)
After-tax net gain (loss) to be reclassified from AOCL into earnings over the next twelve months	$ 57
Designated as Hedging Instrument [Member] | Foreign Currency Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Remaining Maturity	2 years
Beginning Balance	$ 1	10
Additions and revaluations of derivatives designated as cash flow hedges	5	(10)
Clearance of hedge results to earnings	1	(1)
Ending Balance	7	$ (1)
After-tax net gain (loss) to be reclassified from AOCL into earnings over the next twelve months	$ 8