Fair Value Measurements - Schedule of Assets Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Derivative instruments - interest rate swaps
Assets:
Derivative instruments	$ 3
Fair Value Recurring Basis
Assets:
Restricted cash		$ 2
Marketable securities	4	78
Total assets at fair value	7	81
Liabilities:
Total liabilities at fair value		44
Fair Value Recurring Basis \| Level 1
Assets:
Restricted cash		1
Marketable securities	2	69
Total assets at fair value	2	70
Liabilities:
Total liabilities at fair value		0
Fair Value Recurring Basis \| Level 2
Assets:
Restricted cash		1
Marketable securities	2	9
Total assets at fair value	5	11
Liabilities:
Total liabilities at fair value		44
Fair Value Recurring Basis \| Level 3
Assets:
Restricted cash		0
Marketable securities	0	0
Total assets at fair value	0	0
Liabilities:
Total liabilities at fair value		0
Fair Value Recurring Basis \| Derivative instruments - interest rate swaps
Assets:
Derivative instruments	3
Liabilities:
Derivative instruments		28
Fair Value Recurring Basis \| Derivative instruments - interest rate swaps \| Level 1
Assets:
Derivative instruments	0
Liabilities:
Derivative instruments		0
Fair Value Recurring Basis \| Derivative instruments - interest rate swaps \| Level 2
Assets:
Derivative instruments	3
Liabilities:
Derivative instruments		28
Fair Value Recurring Basis \| Derivative instruments - interest rate swaps \| Level 3
Assets:
Derivative instruments	$ 0
Liabilities:
Derivative instruments		0
Fair Value Recurring Basis \| Derivative instruments - FX forward
Assets:
Derivative instruments		1
Liabilities:
Derivative instruments		16
Fair Value Recurring Basis \| Derivative instruments - FX forward \| Level 1
Assets:
Derivative instruments		0
Liabilities:
Derivative instruments		0
Fair Value Recurring Basis \| Derivative instruments - FX forward \| Level 2
Assets:
Derivative instruments		1
Liabilities:
Derivative instruments		16
Fair Value Recurring Basis \| Derivative instruments - FX forward \| Level 3
Assets:
Derivative instruments		0
Liabilities:
Derivative instruments		$ 0

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Fair value, after the 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 not subject to a master netting arrangement and not elected to be offset.

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Fair value of all derivative liabilities designated as fair value hedging instruments.

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Amount of investment in marketable security, classified as current.

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Cash and investments whose use in whole or in part is restricted for the long-term, generally by contractual agreements or regulatory requirements. For use in an unclassified balance sheet.

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