Goodwill and Other Identifiable Intangible Assets (Additional Information) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Goodwill and Intangible Assets Disclosure [Abstract]
Carrying amount of acquired trademarks with indefinite lives	$ 1,300
Aggregate amortization expense of identifiable intangible assets	30	$ 33
Estimated future amortization of identifiable intangible assets for remainder of 2015	95
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	125
Finite-Lived Intangible Assets, Amortization Expense, Year Two	120
Finite-Lived Intangible Assets, Amortization Expense, Year Three	110
Finite-Lived Intangible Assets, Amortization Expense, Year Four	95
Finite-Lived Intangible Assets, Amortization Expense, Year Five	95
Finite-Lived Intangible Assets, Amortization Expense, after Year Five	$ 275