Goodwill and Other Identifiable Intangible Assets (Identifiable Intangible Assets with Finite Lives) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Acquired Finite-Lived Intangible Assets [Line Items]
Indefinite-Lived Trademarks	$ 1,181		$ 1,107
Gross Carrying Amount	3,289		3,146
Accumulated Amortization	(1,209)		(1,163)
Net	2,080		1,983
Amortization of Intangible Assets	31	$ 30
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year	89
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	115
Finite-Lived Intangible Assets, Amortization Expense, Year Two	100
Finite-Lived Intangible Assets, Amortization Expense, Year Three	90
Finite-Lived Intangible Assets, Amortization Expense, Year Four	85
Finite-Lived Intangible Assets, Amortization Expense, Year Five	85
Finite-Lived Intangible Assets, Amortization Expense, after Year Five	335
Acquired technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	596		587
Accumulated Amortization	(456)		(446)
Net	140		141
Customer-related intangibles [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,319		1,272
Accumulated Amortization	(648)		(618)
Net	671		654
Tradenames [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	150		142
Accumulated Amortization	(75)		(71)
Net	75		71
Other [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	43		38
Accumulated Amortization	(30)		(28)
Net	$ 13		$ 10