Summary of Significant Accounting Policies (Additional Information) (Detail) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2023 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2023 USD ($) Segment	Dec. 31, 2023 USD ($) operating_segment	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Advertising costs expensed		$ 285			$ 252	$ 243
Research and development – total		456			470	463
Less: depreciation on research facilities		23			22	24
Research and development, net		433			448	$ 439
Number of operating segments			10	2
Goodwill, impairment loss		158
Tangible asset impairment charges	$ 201
Impairment of intangible assets, indefinite-lived (excluding goodwill)		2			4
Supply chain finance obligation		301	$ 301	$ 301	$ 390
Supplier Finance Program, Obligation, Statement of Financial Position [Extensible Enumeration]					Accounts payable and accrued liabilities
Asset retirement obligation		23	$ 23	$ 23
Traffic Solutions
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Goodwill, impairment loss		$ 158
Indefinite-lived Intangible Assets
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Tangible asset impairment charges	124
Finite-Lived Intangible Assets
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Tangible asset impairment charges	$ 23
Minimum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Identifiable intangible assets with finite lives estimated useful lives		1 year	1 year	1 year
Maximum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Identifiable intangible assets with finite lives estimated useful lives		30 years	30 years	30 years