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Transactions - Additional Information (Detail)	12 Months Ended
Transactions - Additional Information (Detail)	Dec. 31, 2021 USD ($) Acquisition	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($) Acquisition
Transactions [Line Items]
Number of acquisitions \| Acquisition	2
Purchase price consideration	$ 119,000,000
Aggregate purchase price cash consideration, including working capital adjustments	96,000,000		$ 8,000,000
Contingent consideration	$ 23,000,000
Business combination, contingent consideration, liability, measurement input	14
Reversed fair value of contingent consideration liability	$ 10,000,000
Fair value of contingent consideration	13,000,000
Goodwill	67,000,000	$ 0	245,000,000
Intangible assets	$ 11,000,000
Business combination, fair value measurement period	one year
Asset impairment charges	$ 7,000,000	321,000,000	$ 128,000,000
Acquisition One [Member]
Transactions [Line Items]
Earn Out Period	3 years 3 months
Acquisitions Two [Member]
Transactions [Line Items]
Number of acquisitions \| Acquisition			2
Earn Out Period	1 year
Purchase price consideration			$ 8,000,000
Goodwill			6,000,000
Intangible assets			2,000,000
Maximum [Member] \| Acquisition One [Member]
Transactions [Line Items]
Payment for contingent	$ 6,000,000
Maximum [Member] \| Acquisitions Two [Member]
Transactions [Line Items]
Undiscounted out come from acquisition	45,000,000
Acquisition related costs			1,000,000
Minimum [Member] \| Acquisitions Two [Member]
Transactions [Line Items]
Undiscounted out come from acquisition	$ 0
Impairment charges [Member]
Transactions [Line Items]
Loss on sale of business		$ (1,000,000)
Held-for-Sale [Member]
Transactions [Line Items]
Assets held-for-sale			34,000,000
Liabilities held-for-sale			6,000,000
Asset impairment charges			$ 9,000,000