v3.6.0.2

Acquisitions and Divestments - Schedule of Pro Forma Financial Information Presents Combined Consolidated Results of Operations (Detail) - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014
Business Combinations [Abstract] |  |
Revenue | $ 9,850 | $ 9,904
Net income (loss) attributable to stockholders | $ (84) | $ (277)
Net income (loss) per common share attributable to stockholders: |  |
- Basic | $ (0.25) | $ (0.81)
- Diluted | $ (0.25) | $ (0.81)

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- Definition The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463 + Details
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