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Financial Instruments - Fair Value of Derivative Instruments (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Derivatives, Fair Value [Line Items]
Total derivatives	$ 168		$ 168		$ 38
Derivatives Designated as Hedging Instruments:
Derivatives, Fair Value [Line Items]
Total derivatives	171		171		37
Foreign currency forward-exchange contracts \| Derivatives Not Designated as Hedging Instruments
Derivatives, Fair Value [Line Items]
Total derivatives	(3)		(3)		1
Foreign currency forward-exchange contracts	(23)	$ (2)	(49)	$ (13)
Foreign currency forward-exchange contracts \| Derivatives Not Designated as Hedging Instruments \| Other current assets
Derivatives, Fair Value [Line Items]
Derivative assets	14		14		16
Foreign currency forward-exchange contracts \| Derivatives Not Designated as Hedging Instruments \| Other current liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	(17)		(17)		(15)
Forward-starting interest rate swap contracts \| Derivatives Designated as Hedging Instruments: \| Other current assets
Derivatives, Fair Value [Line Items]
Derivative assets	102		102		0
Forward-starting interest rate swap contracts \| Derivatives Designated as Hedging Instruments: \| Other noncurrent assets
Derivatives, Fair Value [Line Items]
Derivative assets	10		10		17
Forward-starting interest rate swap contracts \| Derivatives Designated as Hedging Instruments: \| Other noncurrent liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	0		0		5
Foreign exchange derivative instruments \| Derivatives Designated as Hedging Instruments:
Derivatives, Fair Value [Line Items]
Collateral received	63		63
Collateral posted	16		16		23
Foreign exchange derivative instruments \| Derivatives Designated as Hedging Instruments: \| Other current assets
Derivatives, Fair Value [Line Items]
Derivative assets	53		53		12
Foreign exchange derivative instruments \| Derivatives Designated as Hedging Instruments: \| Other noncurrent assets
Derivatives, Fair Value [Line Items]
Derivative assets	40		40		14
Foreign exchange derivative instruments \| Derivatives Designated as Hedging Instruments: \| Other noncurrent liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	0		0		3
Fixed-to-floating interest rate swap contracts \| Derivatives Designated as Hedging Instruments: \| Other noncurrent assets
Derivatives, Fair Value [Line Items]
Derivative assets	0		0		2
Fixed-to-floating interest rate swap contracts \| Derivatives Designated as Hedging Instruments: \| Other noncurrent liabilities
Derivatives, Fair Value [Line Items]
Derivative assets	$ (34)		$ (34)		$ 0