Goodwill and Intangibles - Summary of Identifiable Intangible Assets (Detail) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 2,398	$ 2,365
Accumulated Amortization	(695)	(581)
Net Carrying Amount	$ 1,703	$ 1,784
Contractual Backlog [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Useful Lives (in Years)	6 months	10 months 24 days
Gross Carrying Amount	$ 155	$ 153
Accumulated Amortization	(141)	(126)
Net Carrying Amount	$ 14	$ 27
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Useful Lives (in Years)	9 years 8 months 12 days	10 years
Gross Carrying Amount	$ 1,529	$ 1,508
Accumulated Amortization	(442)	(367)
Net Carrying Amount	$ 1,087	$ 1,141
Trade Names and Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Useful Lives (in Years)	12 years 8 months 12 days	13 years 2 months 12 days
Gross Carrying Amount	$ 714	$ 704
Accumulated Amortization	(112)	(88)
Net Carrying Amount	$ 602	$ 616