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Financial Instruments (Details) € in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2021 EUR (€)	Dec. 31, 2021 USD ($)
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount		$ 11,600			$ 8,500
Gain (loss) recorded in Accumulated other comprehensive loss	$ (226)	181	$ (33)
(Gain) loss reclassified from Accumulated other comprehensive loss	(28)	82	51
Foreign Currency Cash Flow Hedge Loss to be Reclassified During Next 12 Months					28
Gain (loss) on non-designated foreign exchange contracts	$ (24)	(76)	$ 91
Notes 2.150% Due 2030 [Member]
Derivatives, Fair Value [Line Items]
Debt Instrument, Face Amount \| €				€ 500
Long-term debt, euro-denominated \| €				€ 500
Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivatives designated as hedging instruments - assets		197			59
Derivatives not designated as hedging instruments - assets		44			11
Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivatives designated as hedging instruments - liabilities		66			202
Derivatives not designated as hedging instruments - liabilities		$ 32			$ 11