Goodwill and Other Identifiable Intangible Assets (Identifiable Intangible Assets with Finite Lives) (Details) - USD ($) $ in Millions	Jun. 30, 2019	Dec. 31, 2018
Acquired Finite-Lived Intangible Assets [Line Items]
Indefinite-Lived Trademarks	$ 1,156	$ 1,140
Gross Carrying Amount	2,449	2,278
Accumulated Amortization	(1,524)	(1,446)
Net	925	832
Intangible assets, gross (excluding goodwill)	3,605	3,418
Total Identifiable Intangible Assets	2,081	1,972
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year	58
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	105
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	70
Finite-Lived Intangible Assets, Amortization Expense, after Year Five	417
Acquired technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	686	648
Accumulated Amortization	(533)	(515)
Net	153	133
Customer-related intangibles [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,511	1,396
Accumulated Amortization	(848)	(798)
Net	663	598
Tradenames [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	206	190
Accumulated Amortization	(104)	(96)
Net	102	94
Other [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	46	44
Accumulated Amortization	(39)	(37)
Net	$ 7	$ 7