Goodwill and Other Identifiable Intangible Assets (Identifiable Intangible Assets with Finite Lives) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year	$ 31		$ 31
Amortization of Intangible Assets	31	$ 33	91	$ 99
Indefinite-Lived Trademarks	1,200		1,200		$ 1,300
Gross Carrying Amount	2,096		2,096		2,010
Accumulated Amortization	(1,186)		(1,186)		(1,082)
Net	910		910		928
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	135		135
Finite-Lived Intangible Assets, Amortization Expense, Year Two	130		130
Finite-Lived Intangible Assets, Amortization Expense, Year Three	120		120
Finite-Lived Intangible Assets, Amortization Expense, Year Four	105		105
Finite-Lived Intangible Assets, Amortization Expense, Year Five	105		105
Finite-Lived Intangible Assets, Amortization Expense, after Year Five	284		284
Acquired technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	577		577		572
Accumulated Amortization	(444)		(444)		(421)
Net	133		133		151
Customer-related intangibles [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,334		1,334		1,267
Accumulated Amortization	(641)		(641)		(574)
Net	693		693		693
Tradenames [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	144		144		132
Accumulated Amortization	(72)		(72)		(61)
Net	72		72		71
Other [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	41		41		39
Accumulated Amortization	(29)		(29)		(26)
Net	$ 12		$ 12		$ 13