Description of Business, Including Segment and Geographic Area Information - Schedule of Revenue and Operating Profit by Segment (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Segment Reporting Information [Line Items]
Revenue	$ 4,261	$ 4,116	$ 12,067	$ 11,211
Operating profit	1,937	1,788	5,197	4,520
Analog
Segment Reporting Information [Line Items]
Revenue	2,907	2,698	8,163	7,365
Operating profit	1,447	1,268	3,876	3,280
Embedded Processing
Segment Reporting Information [Line Items]
Revenue	894	931	2,763	2,602
Operating profit	309	325	971	836
Other
Segment Reporting Information [Line Items]
Revenue	460	487	1,141	1,244
Operating profit	$ 181	$ 195	$ 350	$ 404