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CONDENSED 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 (shares) at Mar. 31, 2018 |  | 275 |  |  |  |  |  |
Beginning balance (shares) at Mar. 31, 2018 |  |  |  |  |  |  | (73) |
Beginning balance at Mar. 31, 2018 | $ 10,057 | $ 3 | $ 6,188 | $ (1) | $ 12,986 | $ (1,717) | $ (7,655) | $ 253
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Issuance of shares under employee plans | 27 |  | 38 |  |  |  | $ (11) |
Share-based compensation | 49 |  | 49 |  |  |  |  |
Payments to noncontrolling interests | (106) |  |  |  |  |  |  | (106)
Other comprehensive income (loss) | (45) |  |  |  |  | (45) |  |
Net income (loss) | 450 |  |  |  | 361 |  |  | 89
Repurchase of common stock (shares) |  |  |  |  |  |  | (7) |
Repurchase of common stock | (877) |  | 135 |  |  |  | $ (1,012) |
Cash dividends declared | (147) |  |  |  | (147) |  |  |
Other | (28) |  | 1 | (1) |  |  |  | (28)
Ending balance (shares) at Sep. 30, 2018 |  | 275 |  |  |  |  |  |
Ending balance (shares) at Sep. 30, 2018 |  |  |  |  |  |  | (80) |
Ending balance at Sep. 30, 2018 | 9,534 | $ 3 | 6,411 | (2) | 13,354 | (1,762) | $ (8,678) | 208
Beginning balance (shares) at Jun. 30, 2018 |  | 275 |  |  |  |  |  |
Beginning balance (shares) at Jun. 30, 2018 |  |  |  |  |  |  | (76) |
Beginning balance at Jun. 30, 2018 | 9,647 | $ 3 | 6,372 | (1) | 12,932 | (1,801) | $ (8,098) | 240
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Issuance of shares under employee plans | 16 |  | 16 |  |  |  |  |
Share-based compensation | 24 |  | 24 |  |  |  |  |
Payments to noncontrolling interests | (42) |  |  |  |  |  |  | (42)
Other comprehensive income (loss) | 39 |  |  |  |  | 39 |  |
Net income (loss) | 542 |  |  |  | 499 |  |  | 43
Repurchase of common stock (shares) |  |  |  |  |  |  | (4) |
Repurchase of common stock | (580) |  |  |  |  |  | $ (580) |
Cash dividends declared | (78) |  |  |  | (78) |  |  |
Other | (34) |  | (1) | (1) | 1 |  |  | (33)
Ending balance (shares) at Sep. 30, 2018 |  | 275 |  |  |  |  |  |
Ending balance (shares) at Sep. 30, 2018 |  |  |  |  |  |  | (80) |
Ending balance at Sep. 30, 2018 | $ 9,534 | $ 3 | 6,411 | (2) | 13,354 | (1,762) | $ (8,678) | 208
Beginning balance (shares) at Mar. 31, 2019 |  | 271 |  |  |  |  |  |
Beginning balance (shares) at Mar. 31, 2019 | (81) |  |  |  |  |  | (81) |
Beginning balance at Mar. 31, 2019 | $ 8,287 | $ 3 | 6,435 | (2) | 12,409 | (1,849) | $ (8,902) | 193
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Issuance of shares under employee plans (shares) |  | 1 |  |  |  |  |  |
Issuance of shares under employee plans | 61 |  | 78 |  |  |  | $ (17) |
Share-based compensation | 60 |  | 60 |  |  |  |  |
Payments to noncontrolling interests | (76) |  |  |  |  |  |  | (76)
Other comprehensive income (loss) | 145 |  |  |  |  | 145 |  |
Net income (loss) | (222) |  |  |  | (307) |  |  | 85
Repurchase of common stock (shares) |  |  |  |  |  |  | (11) |
Repurchase of common stock | (1,434) |  |  |  |  |  | $ (1,434) |
Cash dividends declared | (148) |  |  |  | (148) |  |  |
Other | $ 8 |  |  |  |  |  |  | 8
Ending balance (shares) at Sep. 30, 2019 |  | 272 |  |  |  |  |  |
Ending balance (shares) at Sep. 30, 2019 | (92) |  |  |  |  |  | (92) |
Ending balance at Sep. 30, 2019 | $ 6,692 | $ 3 | 6,573 | (2) | 11,965 | (1,704) | $ (10,353) | 210
Beginning balance (shares) at Jun. 30, 2019 |  | 271 |  |  |  |  |  |
Beginning balance (shares) at Jun. 30, 2019 |  |  |  |  |  |  | (86) |
Beginning balance at Jun. 30, 2019 | 8,068 | $ 3 | 6,483 | (1) | 12,770 | (1,778) | $ (9,603) | 194
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Issuance of shares under employee plans (shares) |  | 1 |  |  |  |  |  |
Issuance of shares under employee plans | 56 |  | 56 |  |  |  |  |
Share-based compensation | 34 |  | 34 |  |  |  |  |
Payments to noncontrolling interests | (37) |  |  |  |  |  |  | (37)
Other comprehensive income (loss) | 74 |  |  |  |  | 74 |  |
Net income (loss) | (688) |  |  |  | (730) |  |  | 42
Repurchase of common stock (shares) |  |  |  |  |  |  | (6) |
Repurchase of common stock | (750) |  |  |  |  |  | $ (750) |
Cash dividends declared | (75) |  |  |  | (75) |  |  |
Other | $ 10 |  |  | (1) |  |  |  | 11
Ending balance (shares) at Sep. 30, 2019 |  | 272 |  |  |  |  |  |
Ending balance (shares) at Sep. 30, 2019 | (92) |  |  |  |  |  | (92) |
Ending balance at Sep. 30, 2019 | $ 6,692 | $ 3 | $ 6,573 | $ (2) | $ 11,965 | $ (1,704) | $ (10,353) | $ 210

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