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, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Segment Reporting Information [Line Items]
Revenue		$ 3,189	$ 3,429	$ 3,232	$ 3,150	$ 3,269	$ 3,501	$ 3,292	$ 2,983	$ 13,000	$ 13,045	$ 12,205
United States
Segment Reporting Information [Line Items]
Revenue										1,612	1,625	1,666
Asia
Segment Reporting Information [Line Items]
Revenue	[1]									7,910	7,915	7,370
Europe, Middle East And Africa
Segment Reporting Information [Line Items]
Revenue										2,163	2,294	1,926
Japan
Segment Reporting Information [Line Items]
Revenue										1,127	1,032	1,072
Rest of world
Segment Reporting Information [Line Items]
Revenue										$ 188	$ 179	$ 171

[1] Revenue from products shipped into China, including Hong Kong, was $5.8 billion in 2015, $5.7 billion in 2014 and $5.2 billion in 2013