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, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Segment Reporting Information [Line Items]
Revenue	$ 3,717	$ 4,261	$ 4,017	$ 3,789	$ 3,750	$ 4,116	$ 3,693	$ 3,402	$ 15,784	$ 14,961	$ 13,370
Operating profit	$ 1,516	$ 1,937	$ 1,712	$ 1,548	$ 1,563	$ 1,788	$ 1,480	$ 1,252	6,713	6,083	4,855
Analog
Segment Reporting Information [Line Items]
Revenue									10,801	9,900	8,536
Operating profit									5,109	4,468	3,416
Embedded Processing
Segment Reporting Information [Line Items]
Revenue									3,554	3,498	3,023
Operating profit									1,205	1,143	817
Other
Segment Reporting Information [Line Items]
Revenue									1,429	1,563	1,811
Operating profit									$ 399	$ 472	$ 622