Goodwill and Other Identifiable Intangible Assets (Identifiable Intangible Assets with Finite Lives) (Details) - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Acquired Finite-Lived Intangible Assets [Line Items]
Indefinite-Lived Trademarks	$ 1,064	$ 1,167
Gross Carrying Amount	2,549	2,549
Accumulated Amortization	(1,683)	(1,585)
Net	866	964
Intangible assets, gross (excluding goodwill)	3,613	3,716
Total Identifiable Intangible Assets	1,930	2,131
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year	35
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	296
Acquired technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	718	710
Accumulated Amortization	(572)	(549)
Net	146	161
Customer-related intangibles [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,574	1,578
Accumulated Amortization	(949)	(885)
Net	625	693
Tradenames [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	208	210
Accumulated Amortization	(120)	(111)
Net	88	99
Other [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	49	51
Accumulated Amortization	(42)	(40)
Net	$ 7	$ 11