Schedule of Intangible Assets (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Finite And Indefinite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 602	$ 546
Accumulated Amortization	380	298
Net Carrying Amount	222	248
Goodwill	1,137	1,101	$ 1,092
Licensing Agreements [Member]
Finite And Indefinite Lived Intangible Assets [Line Items]
Gross Carrying Amount	280	241
Accumulated Amortization	151	108
Net Carrying Amount	129	133
Customer Relationships [Member]
Finite And Indefinite Lived Intangible Assets [Line Items]
Gross Carrying Amount	268	255
Accumulated Amortization	196	165
Net Carrying Amount	72	90
Other Intangible Assets [Member]
Finite And Indefinite Lived Intangible Assets [Line Items]
Gross Carrying Amount	54	50
Accumulated Amortization	33	25
Net Carrying Amount	21	25
Goodwill
Finite And Indefinite Lived Intangible Assets [Line Items]
Goodwill	1,137	1,101
Trademarks
Finite And Indefinite Lived Intangible Assets [Line Items]
Trademarks	$ 552	$ 550
Minimum [Member] | Licensing Agreements [Member]
Finite And Indefinite Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	1 year
Minimum [Member] | Customer Relationships [Member]
Finite And Indefinite Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	3 years
Minimum [Member] | Other Intangible Assets [Member]
Finite And Indefinite Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	0 years
Maximum | Licensing Agreements [Member]
Finite And Indefinite Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	40 years
Maximum | Customer Relationships [Member]
Finite And Indefinite Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	20 years
Maximum | Other Intangible Assets [Member]
Finite And Indefinite Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	10 years
Weighted Average [Member] | Licensing Agreements [Member]
Finite And Indefinite Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	18 years
Weighted Average [Member] | Customer Relationships [Member]
Finite And Indefinite Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	12 years
Weighted Average [Member] | Other Intangible Assets [Member]
Finite And Indefinite Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	9 years