Financial Instruments Cash Flow Hedges Included in AOCI (Details) - Designated as Hedging Instrument [Member] € in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2026 USD ($)	Mar. 31, 2025 USD ($)	Dec. 31, 2025 EUR (€)	May 31, 2025 EUR (€)	Mar. 31, 2025 EUR (€)
Commodity Contract [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Beginning Balance	$ 9	$ (49)
Additions and revaluations of derivatives designated as cash flow hedges	21	2
Clearance of hedge results to earnings	3	15
Ending Balance	33	(32)
After-tax net gain (loss) to be reclassified from AOCL into earnings over the next twelve months	$ 8
Derivative, Remaining Maturity	2 years
Foreign Currency Contract [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Beginning Balance	$ 5	13
Additions and revaluations of derivatives designated as cash flow hedges	(32)	0
Clearance of hedge results to earnings	0	(13)
Ending Balance	(27)	$ 0
After-tax net gain (loss) to be reclassified from AOCL into earnings over the next twelve months	$ (27)
Derivative, Remaining Maturity	2 years
Foreign Currency Contract [Member] | Net Investment Hedging [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount | €			€ 500	€ 1,200	€ 1,700