Goodwill and Other Identifiable Intangible Assets (Identifiable Intangible Assets with Finite Lives) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year	$ 65		$ 65
Amortization of Intangible Assets	30	$ 33	60	$ 66
Indefinite-Lived Trademarks	1,200		1,200		$ 1,300
Gross Carrying Amount	2,018		2,018		2,010
Accumulated Amortization	(1,151)		(1,151)		(1,082)
Net	867		867		928
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	125		125
Finite-Lived Intangible Assets, Amortization Expense, Year Two	120		120
Finite-Lived Intangible Assets, Amortization Expense, Year Three	110		110
Finite-Lived Intangible Assets, Amortization Expense, Year Four	95		95
Finite-Lived Intangible Assets, Amortization Expense, Year Five	95		95
Finite-Lived Intangible Assets, Amortization Expense, after Year Five	257		257
Acquired technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	572		572		572
Accumulated Amortization	(436)		(436)		(421)
Net	136		136		151
Customer-related intangibles [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,272		1,272		1,267
Accumulated Amortization	(617)		(617)		(574)
Net	655		655		693
Tradenames [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	135		135		132
Accumulated Amortization	(70)		(70)		(61)
Net	65		65		71
Other [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	39		39		39
Accumulated Amortization	(28)		(28)		(26)
Net	$ 11		$ 11		$ 13