Goodwill and Other Identifiable Intangible Assets (Additional Information) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012
Goodwill and Intangible Assets Disclosure [Line Items]
Carrying amount of acquired trademarks with indefinite lives	$ 316			$ 324
Aggregate amortization expense of identifiable intangible assets	26	29
Estimated future amortization of identifiable intangible assets for remainder of 2013			75
Estimated future amortization of identifiable intangible assets in 2014	100
Estimated future amortization of identifiable intangible assets in 2015	100
Estimated future amortization of identifiable intangible assets in 2016	80
Estimated future amortization of identifiable intangible assets in 2017	70
Estimated future amortization of identifiable intangible assets in 2018	$ 70