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Fair Value Measurements - Nonrecurring Basis (Details) - USD ($)	1 Months Ended	3 Months Ended	12 Months Ended
	Sep. 30, 2022	Dec. 31, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Assets and Liabilities Measured on Recurring or Nonrecurring Basis
Goodwill impairment expense		$ 0	$ 271,000,000	$ 0	$ 0
Fair value on a nonrecurring basis
Assets and Liabilities Measured on Recurring or Nonrecurring Basis
Long-lived asset impairment charges		500,000,000	$ 0	$ 0
Goodwill impairment expense		300,000,000
Fair value on a nonrecurring basis \| Minimum
Assets and Liabilities Measured on Recurring or Nonrecurring Basis
Estimate fair value, discount rates (as a percent)			11.00%
Fair value on a nonrecurring basis \| Maximum
Assets and Liabilities Measured on Recurring or Nonrecurring Basis
Estimate fair value, discount rates (as a percent)			12.00%
Fair value on a nonrecurring basis \| Disposal group, Held-for-sale, Not discontinued operations
Assets and Liabilities Measured on Recurring or Nonrecurring Basis
Long-lived asset impairment charges	$ 109,000,000
Other current held for sale liabilities		50,000,000	$ 50,000,000
Pre-tax gain on divestitures		$ 800,000,000