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 |
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| 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 | ||||||||||
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