Goodwill and Other Intangible Assets (Acquisition-Related Intangible Assets that are being Amortized) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 5,649		$ 5,929
Accumulated Amortization	3,809		3,950
Net Carrying Amount	1,840		1,979
Patents and developed technology
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	4,691		4,972
Accumulated Amortization	3,401		3,570
Net Carrying Amount	1,290		1,402
Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	245		254
Accumulated Amortization	28		30
Net Carrying Amount	217		224
Trade names and other
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	713		703
Accumulated Amortization	380		350
Net Carrying Amount	333		$ 353
Acquisition-related intangible assets
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization of acquisition-related intangible assets	$ 204	$ 197