Goodwill and Other Identifiable Intangible Assets (Additional Information) (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Goodwill and Intangible Assets Disclosure [Abstract]
Carrying amount of acquired trademarks with indefinite lives	$ 499	$ 324
Aggregate amortization expense of identifiable intangible assets	119	109	120
Estimated future amortization of identifiable intangible assets in 2014	120
Estimated future amortization of identifiable intangible assets in 2015	120
Estimated future amortization of identifiable intangible assets in 2016	101
Estimated future amortization of identifiable intangible assets in 2017	93
Estimated future amortization of identifiable intangible assets in 2018	$ 91