Goodwill and Other Identifiable Intangible Assets (Additional Information) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended		9 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2013	Dec. 31, 2012
Goodwill and Intangible Assets Disclosure [Line Items]
Carrying amount of acquired trademarks with indefinite lives	$ 490		$ 490			$ 324
Aggregate amortization expense of identifiable intangible assets	34	26	60	55
Estimated future amortization of identifiable intangible assets for remainder of 2013					63
Estimated future amortization of identifiable intangible assets in 2014	120		120
Estimated future amortization of identifiable intangible assets in 2015	120		120
Estimated future amortization of identifiable intangible assets in 2016	101		101
Estimated future amortization of identifiable intangible assets in 2017	93		93
Estimated future amortization of identifiable intangible assets in 2018	$ 91		$ 91