Description of Business, Including Segment and Geographic Area Information - Schedule of Revenue and Operating Profit by Segment (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Segment Reporting Information [Line Items]
Revenue	$ 3,750	$ 4,116	$ 3,693	$ 3,402	$ 3,414	$ 3,675	$ 3,273	$ 3,008	$ 14,961	$ 13,370	$ 13,000
Operating profit	$ 1,563	$ 1,788	$ 1,480	$ 1,252	$ 1,332	$ 1,408	$ 1,131	$ 984	6,083	4,855	4,322
Analog
Segment Reporting Information [Line Items]
Revenue									9,900	8,536	8,339
Operating profit									4,468	3,416	3,077
Embedded Processing
Segment Reporting Information [Line Items]
Revenue									3,498	3,023	2,787
Operating profit									1,143	817	611
Other
Segment Reporting Information [Line Items]
Revenue									1,563	1,811	1,874
Operating profit									$ 472	$ 622	$ 634