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Consolidated Statement of Equity (Unaudited) - 6 months ended Jun. 30, 2017 - USD ($) shares in Millions, $ in Millions | Total | Total Stockholder's Equity | (Accumulated Deficit) Retained Earnings | Common Stock Held in Treasury | Common Stock | Capital in Excess of Par Value | Accumulated Other Comprehensive Loss | Noncontrolling Interests
--- | --- | --- | --- | --- | --- | --- | --- | ---
Balance (in shares) at Dec. 31, 2016 |  |  |  | 129 | 1,574 |  |  |
Balance at Dec. 31, 2016 | $ 9,257 | $ 6,051 | $ (16,540) | $ (3,708) | $ 157 | $ 26,690 | $ (548) | $ 3,206
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Exercised and issued stock-based awards (in shares) |  |  |  |  | 3 |  |  |
Exercised and issued stock-based awards | 5 | 5 | 0 |  | $ 1 | 4 | 0 | 0
Stock-based compensation | 40 | 40 | 0 | $ 0 | $ 0 | 40 | 0 | 0
Tender of shares for stock based awards shares |  |  |  | (1) | 0 |  |  |
Tender of shares for stock-based awards | (12) | (12) | 0 | $ (12) | $ 0 | 0 | 0 | 0
Dividends on common stock | 1 | 1 | 1 |  | 0 | 0 | 0 | 0
Dividends to noncontrolling interests | (39) | 0 |  |  | 0 | 0 |  | (39)
Net income attributable to common stockholders | 496 | 496 | 496 | 0 | 0 |  |  | 0
Net income attributable to noncontrolling interests, including discontinued operations | 145 | 0 |  | 0 | 0 |  |  | 145
Other comprehensive income | 100 | 92 |  | $ 0 | $ 0 | 0 | 92 | 8
Balance (in shares) at Jun. 30, 2017 |  |  |  | 130 | 1,577 |  |  |
Balance at Jun. 30, 2017 | $ 9,993 | $ 6,673 | $ (16,043) | $ (3,720) | $ 158 | $ 26,734 | $ (456) | $ 3,320

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