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Net Income Attributable to Company Per Share - Computation of Weighted Average Basic and Diluted Shares Outstanding (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014
Numerator: |  |  |  |
Income from continuing operations | $ 289 | $ 608 | $ 599 | $ 1,156
Income from discontinued operations |  | 11 |  | 52
Net income attributable to Company | $ 289 | $ 619 | $ 599 | $ 1,208
Denominator: |  |  |  |
Basic-weighted average common shares outstanding | 387 | 428 | 397 | 428
Dilutive effect of employee stock options and other unvested stock awards | 1 | 2 | 1 | 2
Diluted outstanding shares | 388 | 430 | 398 | 430
Basic: |  |  |  |
Income from continuing operations | $ 0.75 | $ 1.42 | $ 1.51 | $ 2.70
Income from discontinued operations |  | 0.03 |  | 0.12
Net income attributable to Company | 0.75 | 1.45 | 1.51 | 2.82
Diluted: |  |  |  |
Income from continuing operations | 0.74 | 1.42 | 1.51 | 2.69
Income from discontinued operations |  | 0.02 |  | 0.12
Net income attributable to Company | 0.74 | 1.44 | 1.51 | 2.81
Cash dividends per share | $ 0.46 | $ 0.46 | $ 0.92 | $ 0.72

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- Definition Amount of income (loss) from continuing operations attributable to the parent. Also defined as revenue less expenses and taxes from ongoing operations before extraordinary items but after deduction of those portions of income or loss from continuing operations that are allocable to noncontrolling interests. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.13) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=51664549&loc=SL4613673-111683 + Details
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