Financial Instruments Cash Flow Hedges Included in AOCI (Details) € in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2022 USD ($)	Mar. 31, 2021 USD ($)	Mar. 31, 2022 EUR (€)	Dec. 31, 2021 USD ($)
Designated as Hedging Instrument [Member] | Commodity Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Remaining Maturity	2 years
Beginning Balance	$ 47	$ (16)
Additions and revaluations of derivatives designated as cash flow hedges	63	30
Clearance of hedge results to earnings	(14)	(4)
Ending Balance	96	10
After-tax net gain (loss) to be reclassified from AOCL into earnings over the next twelve months	(58)
Derivative, Notional Amount	$ 531	239		$ 845
Designated as Hedging Instrument [Member] | Foreign Currency Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Remaining Maturity	2 years
Beginning Balance	$ 31	(17)
Additions and revaluations of derivatives designated as cash flow hedges	(82)	25
Clearance of hedge results to earnings	2	(2)
Ending Balance	(49)	6
After-tax net gain (loss) to be reclassified from AOCL into earnings over the next twelve months	49
Derivative, Notional Amount	$ 1,043	$ 1,030		$ 1,252
Net Investment Hedging [Member] | Foreign Currency Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Notional Amount | €			€ 450