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CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY - USD ($) shares in Millions, $ in Millions | Total | Common Stock | Additional Paid-in Capital | Other Capital | Retained Earnings | Accumulated Other Comprehensive Income (Loss) | Treasury | Noncontrolling Interests
--- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning balance, common stock (in shares) at Mar. 31, 2013 |  | 376.0 |  |  |  |  |  |
Beginning balance at Mar. 31, 2013 | $ 7,070 | $ 4 | $ 6,078 | $ 14 | $ 10,402 | $ (65) | $ (9,363) | $ 0
Beginning balance, treasury common shares at Mar. 31, 2013 |  |  |  |  |  |  | (149.0) |
Issuance of shares under employee plans (in shares) |  | 5.0 |  |  |  |  | 1.0 |
Issuance of shares under employee plans, tax portion of RSU issued | 47 |  | 177 |  |  |  | $ (130) |
Share-based compensation | 160 |  | 160 |  |  |  |  |
Tax benefit related to issuance of shares under employee plans | 92 |  | 92 |  |  |  |  |
Acquisition of Celesio | 1,500 |  |  |  |  |  |  | 1,500
Conversion of Celesio convertible bonds | 313 |  | 33 |  |  |  |  | 280
Other comprehensive income | 83 |  |  |  |  | 62 |  | 21
Net income (loss) | 1,258 |  |  |  | 1,263 |  |  | (5)
Repurchase of common stock | 0 |  | 14 |  |  |  | (14) |
Cash dividends declared | (214) |  |  |  | (214) |  |  |
Other | 9 |  | (2) | 9 | 2 |  |  |
Ending balance common stock (in shares) at Mar. 31, 2014 |  | 381.0 |  |  |  |  |  |
Ending balance at Mar. 31, 2014 | 10,318 | $ 4 | 6,552 | 23 | 11,453 | (3) | $ (9,507) | 1,796
Ending balance, treasury common shares at Mar. 31, 2014 |  |  |  |  |  |  | (150.0) |
Issuance of shares under employee plans (in shares) |  | 3.0 |  |  |  |  |  |
Issuance of shares under employee plans, tax portion of RSU issued | 43 |  | 152 |  |  |  | $ (109) |
Share-based compensation | 165 |  | 165 |  |  |  |  |
Tax benefit related to issuance of shares under employee plans | 105 |  | 105 |  |  |  |  |
Conversion of Celesio convertible bonds | 0 |  |  |  |  |  |  |
Purchase of noncontrolling interests | (62) |  | (2) |  |  |  |  | (60)
Reclassification of noncontrolling interests to redeemable noncontrolling interests | (1,500) |  |  |  |  |  |  | (1,500)
Other comprehensive income | (1,884) |  |  |  |  | (1,710) |  | (174)
Net income (loss) | 1,481 |  |  |  | 1,476 |  |  | 5
Repurchase of common stock (in shares) |  |  |  |  |  |  | (2.0) |
Repurchase of common stock | (340) |  |  |  |  |  | $ (340) |
Cash dividends declared | (226) |  |  |  | (226) |  |  |
Other | (15) |  | (4) | (30) | 2 |  |  | 17
Ending balance common stock (in shares) at Mar. 31, 2015 |  | 384.0 |  |  |  |  |  |
Ending balance at Mar. 31, 2015 | $ 8,085 | $ 4 | 6,968 | (7) | 12,705 | (1,713) | $ (9,956) | 84
Ending balance, treasury common shares at Mar. 31, 2015 | (152.0) |  |  |  |  |  | (152.0) |
Issuance of shares under employee plans (in shares) |  | 3.0 |  |  |  |  | 1.0 |
Issuance of shares under employee plans, tax portion of RSU issued | $ 14 |  | 123 |  |  |  | $ (109) |
Share-based compensation | 130 |  | 130 |  |  |  |  |
Tax benefit related to issuance of shares under employee plans | 117 |  | 117 |  |  |  |  |
Conversion of Celesio convertible bonds | 0 |  |  |  |  |  |  |
Other comprehensive income | 152 |  |  |  |  | 152 |  |
Net income (loss) | 2,266 |  |  |  | 2,258 |  |  | 8
Repurchase of common stock (in shares) |  |  |  |  |  |  | (9.0) |
Repurchase of common stock | $ (1,504) |  |  |  |  |  | $ (1,504) |
Retirement of common stock (in shares) | (115.5) | (116.0) |  |  |  |  | (116.0) |
Retirement of common stock | $ 0 | $ (1) | (1,493) |  | (6,354) |  | $ (7,848) |
Cash dividends declared | (249) |  |  |  | (249) |  |  |
Other | (3) |  |  | 5 |  |  |  | (8)
Ending balance common stock (in shares) at Mar. 31, 2016 |  | 271.0 |  |  |  |  |  |
Ending balance at Mar. 31, 2016 | $ 9,008 | $ 3 | $ 5,845 | $ (2) | $ 8,360 | $ (1,561) | $ (3,721) | $ 84
Ending balance, treasury common shares at Mar. 31, 2016 | (46.0) |  |  |  |  |  | (46.0) |

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