Derivatives - BS Location (Details) - USD ($)	Sep. 30, 2021	Dec. 31, 2020
Location and Fair Value Amount of Derivative Instruments
Fair Value Amount, Assets	$ 84,000,000	$ 44,000,000
Fair Value Amount, Liabilities	40,000,000	106,000,000
Interest rate contracts
Location and Fair Value Amount of Derivative Instruments
Gross Notional Amount	800,000,000
Derivatives designated as hedging instruments
Location and Fair Value Amount of Derivative Instruments
Fair Value Amount, Assets	76,000,000	31,000,000
Fair Value Amount, Liabilities	20,000,000	92,000,000
Derivatives designated as hedging instruments \| Foreign currency forward/option contracts \| Other current assets
Location and Fair Value Amount of Derivative Instruments
Fair Value Amount, Assets	41,000,000	14,000,000
Derivatives designated as hedging instruments \| Foreign currency forward/option contracts \| Other assets
Location and Fair Value Amount of Derivative Instruments
Fair Value Amount, Assets	31,000,000	10,000,000
Derivatives designated as hedging instruments \| Foreign currency forward/option contracts \| Other current liabilities
Location and Fair Value Amount of Derivative Instruments
Fair Value Amount, Liabilities	17,000,000	67,000,000
Derivatives designated as hedging instruments \| Foreign currency forward/option contracts \| Other liabilities
Location and Fair Value Amount of Derivative Instruments
Fair Value Amount, Liabilities	3,000,000	25,000,000
Derivatives designated as hedging instruments \| Foreign currency forward/option contracts \| Current balance sheet location
Location and Fair Value Amount of Derivative Instruments
Gross Notional Amount	1,796,000,000	1,630,000,000
Derivatives designated as hedging instruments \| Foreign currency forward/option contracts \| Noncurrent balance sheet location
Location and Fair Value Amount of Derivative Instruments
Gross Notional Amount	792,000,000	669,000,000
Derivatives designated as hedging instruments \| Interest rate contracts \| Other current assets
Location and Fair Value Amount of Derivative Instruments
Fair Value Amount, Assets	1,000,000	7,000,000
Derivatives designated as hedging instruments \| Interest rate contracts \| Other assets
Location and Fair Value Amount of Derivative Instruments
Fair Value Amount, Assets	3,000,000
Derivatives designated as hedging instruments \| Interest rate contracts \| Other current liabilities
Location and Fair Value Amount of Derivative Instruments
Fair Value Amount, Liabilities	0	0
Derivatives designated as hedging instruments \| Interest rate contracts \| Other liabilities
Location and Fair Value Amount of Derivative Instruments
Fair Value Amount, Liabilities	0
Derivatives designated as hedging instruments \| Interest rate contracts \| Current balance sheet location
Location and Fair Value Amount of Derivative Instruments
Gross Notional Amount	403,000,000	403,000,000
Derivatives designated as hedging instruments \| Interest rate contracts \| Noncurrent balance sheet location
Location and Fair Value Amount of Derivative Instruments
Gross Notional Amount	800,000,000
Derivatives not designated as hedging instruments
Location and Fair Value Amount of Derivative Instruments
Fair Value Amount, Assets	8,000,000	13,000,000
Fair Value Amount, Liabilities	20,000,000	14,000,000
Derivatives not designated as hedging instruments \| Foreign currency forward/option contracts \| Other current assets
Location and Fair Value Amount of Derivative Instruments
Fair Value Amount, Assets	8,000,000	13,000,000
Derivatives not designated as hedging instruments \| Foreign currency forward/option contracts \| Other current liabilities
Location and Fair Value Amount of Derivative Instruments
Fair Value Amount, Liabilities	20,000,000	14,000,000
Derivatives not designated as hedging instruments \| Foreign currency forward/option contracts \| Current balance sheet location
Location and Fair Value Amount of Derivative Instruments
Gross Notional Amount	$ 5,269,000,000	$ 3,166,000,000

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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- Definition

Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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- Definition

Nominal or face amount used to calculate payment on derivative.

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