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Consolidated Statement Of Changes In Shareholders' Equity - USD ($) $ in Millions | Total | Preferred Stock Of Subsidiary And Noncontrolling Interest [Member] | Total Shareholders' Equity Of MBIA Inc. [Member] | Common Stock [Member] | Additional Paid In Capital [Member] | Retained Earnings [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Treasury Stock [Member]
--- | --- | --- | --- | --- | --- | --- | --- | ---
Total equity balance at Dec. 31, 2013 | $ 3,299 | $ 21 | $ 3,278 | $ 278 | $ 3,115 | $ 2,289 | $ (86) | $ (2,318)
Balance (in common stock shares) at Dec. 31, 2013 |  |  |  | 277,812,430 |  |  |  |
Balance (in treasury stock shares) at Dec. 31, 2013 |  |  |  |  |  |  |  | (85,562,546)
Balance (in preferred stock shares) at Dec. 31, 2013 |  | 1,315 |  |  |  |  |  |
Net income (loss) | 569 |  | 569 |  |  | 569 |  |
Total other comprehensive income (loss) | 107 |  | 107 |  |  |  | 107 |
Share-based compensation, net of tax of $2, $9 and $0 | 10 |  | 10 | $ 3 | 13 |  |  | $ (6)
Share-based compensation (in shares) |  |  |  | 3,540,352 |  |  |  | (513,267)
Treasury shares acquired | $ (35) |  | (35) |  |  |  |  | $ (35)
Treasury shares acquired (in shares) | (3,300,000) |  |  |  |  |  |  | (3,334,074)
Total equity balance at Dec. 31, 2014 | $ 3,950 | $ 21 | 3,929 | $ 281 | 3,128 | 2,858 | 21 | $ (2,359)
Balance (in common stock shares) at Dec. 31, 2014 |  |  |  | 281,352,782 |  |  |  |
Balance (in treasury stock shares) at Dec. 31, 2014 |  |  |  |  |  |  |  | (89,409,887)
Balance (in preferred stock shares) at Dec. 31, 2014 |  | 1,315 |  |  |  |  |  |
ASU 2015-02 transition adjustment | (9) | $ (9) |  |  |  |  |  |
Net income (loss) | 180 |  | 180 |  |  | 180 |  |
Total other comprehensive income (loss) | (82) |  | (82) |  |  |  | (82) |
Share-based compensation, net of tax of $2, $9 and $0 | 5 |  | 5 | $ 1 | 10 |  |  | $ (6)
Share-based compensation (in shares) |  |  |  | 480,836 |  |  |  | (986,455)
Treasury shares acquired | $ (303) |  | (303) |  |  |  |  | $ (303)
Treasury shares acquired (in shares) | (39,900,000) |  |  |  |  |  |  | (39,906,899)
Total equity balance at Dec. 31, 2015 | $ 3,741 | $ 12 | 3,729 | $ 282 | 3,138 | 3,038 | (61) | $ (2,668)
Balance (in common stock shares) at Dec. 31, 2015 | 281,833,618 |  |  | 281,833,618 |  |  |  |
Balance (in treasury stock shares) at Dec. 31, 2015 | (130,303,241) |  |  |  |  |  |  | (130,303,241)
Balance (in preferred stock shares) at Dec. 31, 2015 | 0 | 1,315 |  |  |  |  |  |
Net income (loss) | $ (338) |  | (338) |  |  | (338) |  |
Total other comprehensive income (loss) | (67) |  | (67) |  |  |  | (67) |
Share-based compensation, net of tax of $2, $9 and $0 | 8 |  | 8 | $ 2 | 22 |  |  | $ (16)
Share-based compensation (in shares) |  |  |  | 2,156,381 |  |  |  | (1,925,990)
Treasury shares acquired | $ (105) |  | (105) |  |  |  |  | $ (105)
Treasury shares acquired (in shares) | (16,600,000) |  |  |  |  |  |  | (16,559,937)
Total equity balance at Dec. 31, 2016 | $ 3,239 | $ 12 | $ 3,227 | $ 284 | $ 3,160 | $ 2,700 | $ (128) | $ (2,789)
Balance (in common stock shares) at Dec. 31, 2016 | 283,989,999 |  |  | 283,989,999 |  |  |  |
Balance (in treasury stock shares) at Dec. 31, 2016 | (148,789,168) |  |  |  |  |  |  | (148,789,168)
Balance (in preferred stock shares) at Dec. 31, 2016 | 0 | 1,315 |  |  |  |  |  |

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