Description of Business, Including Segment and Geographic Area Information - Schedule of Revenue by Geographic Area (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
United States
Segment Reporting Information [Line Items]
Revenue										1,901	1,682	1,612
Asia
Segment Reporting Information [Line Items]
Revenue	[1]									8,824	8,024	7,910
Europe, Middle East And Africa
Segment Reporting Information [Line Items]
Revenue										2,907	2,393	2,163
Japan
Segment Reporting Information [Line Items]
Revenue										1,049	1,040	1,127
Rest of world
Segment Reporting Information [Line Items]
Revenue										$ 280	$ 231	$ 188

[1] Revenue from products shipped into China, including Hong Kong, was $6.6 billion in 2017, $6.0 billion in 2016 and $5.8 billion in 2015