Schedule of Intangible Assets (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Finite And Indefinite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 608	$ 574
Accumulated Amortization	330	277
Net Carrying Amount	278	297
Goodwill	1,092	1,073	$ 1,007
Licensing Agreements [Member]
Finite And Indefinite Lived Intangible Assets [Line Items]
Gross Carrying Amount	305	281
Accumulated Amortization	168	140
Net Carrying Amount	137	141
Customer Relationships [Member]
Finite And Indefinite Lived Intangible Assets [Line Items]
Gross Carrying Amount	251	242
Accumulated Amortization	141	119
Net Carrying Amount	110	123
Other Intangible Assets [Member]
Finite And Indefinite Lived Intangible Assets [Line Items]
Gross Carrying Amount	52	51
Accumulated Amortization	21	18
Net Carrying Amount	31	33
Goodwill
Finite And Indefinite Lived Intangible Assets [Line Items]
Goodwill	1,092	1,073
Trademarks
Finite And Indefinite Lived Intangible Assets [Line Items]
Trademarks	$ 547	553
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)		$ 2
Minimum [Member] | Licensing Agreements [Member]
Finite And Indefinite Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	0 years
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	3 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	16 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