Goodwill and Other Identifiable Intangible Assets (Identifiable Intangible Assets with Finite Lives) (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Acquired Finite-Lived Intangible Assets [Line Items]
Indefinite-Lived Trademarks	$ 1,012	$ 1,167
Gross Carrying Amount	2,470	2,549
Accumulated Amortization	(1,564)	(1,585)
Net	906	964
Intangible assets, gross (excluding goodwill)	3,482	3,716
Total Identifiable Intangible Assets	1,918	2,131
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year	99
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	125
Finite-Lived Intangible Assets, Amortization Expense, Year Two	125
Finite-Lived Intangible Assets, Amortization Expense, Year Three	110
Finite-Lived Intangible Assets, Amortization Expense, Year Four	90
Finite-Lived Intangible Assets, Amortization Expense, Year Five	85
Finite-Lived Intangible Assets, Amortization Expense, after Year Five	272
Acquired technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	709	710
Accumulated Amortization	(550)	(549)
Net	159	161
Customer-related intangibles [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,508	1,578
Accumulated Amortization	(866)	(885)
Net	642	693
Tradenames [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	205	210
Accumulated Amortization	(109)	(111)
Net	96	99
Other [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	48	51
Accumulated Amortization	(39)	(40)
Net	$ 9	$ 11