Fair Value Measurements - Nonrecurring Basis (Details) - Fair value on a nonrecurring basis - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Assets and Liabilities Measured on Recurring or Nonrecurring Basis
Long-lived asset impairment charges	$ 0	$ 0
Disposal group, Held-for-sale, Not discontinued operations
Assets and Liabilities Measured on Recurring or Nonrecurring Basis
Other current held for sale liabilities	$ 50

Amount classified as other liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant