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, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Segment Reporting Information [Line Items]
Total revenue	$ 4,076	$ 3,817	$ 3,239	$ 3,329	$ 3,350	$ 3,771	$ 3,668	$ 3,594	$ 14,461	$ 14,383	$ 15,784
Total operating profit	$ 1,813	$ 1,609	$ 1,228	$ 1,244	$ 1,249	$ 1,589	$ 1,506	$ 1,379	5,894	5,723	6,713
Analog
Segment Reporting Information [Line Items]
Total revenue									10,886	10,223	10,801
Total operating profit									4,912	4,477	5,109
Embedded Processing
Segment Reporting Information [Line Items]
Total revenue									2,570	2,943	3,554
Total operating profit									743	907	1,205
Other
Segment Reporting Information [Line Items]
Total revenue									1,005	1,217	1,429
Total operating profit									$ 239	$ 339	$ 399