Financial Instruments and Fair Value Measurements - Narrative (Details) - USD ($) $ in Millions	9 Months Ended
Sep. 30, 2021	Dec. 31, 2020
Fair Value Measurement on a Recurring Basis \| Interest Rate Contract \| Level 2
Debt Instrument [Line Items]
Derivative liability		$ 1
Loss on derivative instruments	$ (1)
2029 Notes
Debt Instrument [Line Items]
Fair value of notes payable	$ 504

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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Aggregate loss on all derivative instruments charged against earnings during the period, before tax effects.

+ References

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- Definition

Fair value portion of notes payable.

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