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CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY ¥ in Millions, $ in Millions | Total Alibaba Group Holding Limited shareholders' equity (deficits) IPO CNY (¥) | Total Alibaba Group Holding Limited shareholders' equity (deficits) CNY (¥) | Ordinary Shares IPO shares | Ordinary Shares CNY (¥) shares | Additional paid-in capital IPO CNY (¥) | Additional paid-in capital CNY (¥) | Treasury shares CNY (¥) | Restructuring reserve CNY (¥) | Subscription receivables CNY (¥) | Statutory reserves CNY (¥) | Cumulative translation adjustments CNY (¥) | Unrealized gain (loss) on available-for-sale securities, interest rate swaps and others CNY (¥) | Retained earnings (Accumulated deficits) CNY (¥) | Noncontrolling interest CNY (¥) | IPO CNY (¥) | USD ($) shares | CNY (¥) shares
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Balance at Mar. 31, 2014 |  | ¥ 29,338 |  | ¥ 1 |  | ¥ 27,043 | ¥ 0 | ¥ 0 | ¥ (540) | ¥ 2,474 | ¥ (1,144) | ¥ 321 | ¥ 1,183 | ¥ 1,079 |  |  | ¥ 30,417
Balance (in shares) at Mar. 31, 2014 | shares |  |  |  | 2,226,810,660 |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency translation adjustment |  | 59 |  |  |  |  |  |  |  |  | 49 | 10 |  | (7) |  |  | 52
Net change in unrealized gains on available-for-sale securities |  | 3,089 |  |  |  |  |  |  |  |  |  | 3,089 |  |  |  |  | 3,089
Change in fair value of interest rate swaps under hedge accounting |  | (36) |  |  |  |  |  |  |  |  |  | (36) |  |  |  |  | (36)
Share of other comprehensive income of equity method investees |  | 13 |  |  |  |  |  |  |  |  |  | 13 |  |  |  |  | 13
Net income for the year |  | 24,261 |  |  |  |  |  |  |  |  |  |  | 24,261 | 63 |  |  | 24,324
Liquidation and deconsolidation of subsidiaries |  |  |  |  |  |  |  |  |  | (26) |  |  | 26 | (378) |  |  | (378)
Acquisition of subsidiaries |  | 3,782 |  |  |  | 3,782 |  |  |  |  |  |  |  | 10,897 |  |  | 14,679
Acquisition of subsidiaries (in shares) | shares |  |  |  | 8,876,755 |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise of share options and vesting of early exercised options and RSUs, including repayment of related employee loans |  | 676 |  |  |  | 516 |  |  | 160 |  |  |  |  |  |  |  | 676
Exercise of share options and vesting of early exercised options and RSUs, including repayment of related employee loans (in shares) | shares |  |  |  | 20,240,334 |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchase and retirement of ordinary shares |  | (256) |  |  |  | (13) |  |  | 6 |  |  |  | (249) |  |  |  | (256)
Repurchase and retirement of ordinary shares (in shares) | shares |  |  |  | (892,859) |  |  |  |  |  |  |  |  |  |  |  |  |
Deemed disposals of partial interest in subsidiaries arising from exercise or vesting of share-based awards |  | (7) |  |  |  | (7) |  |  |  |  |  |  |  | 17 |  |  | 10
Repurchase from, net of subscription, by noncontrolling interest for Partner Capital Investment Plan |  | (37) |  |  |  |  |  |  | (37) |  |  |  |  | (86) |  |  | (123)
Redemption of treasury shares granted for Senior Management Share Incentive Scheme |  | 15 |  |  |  | 15 |  |  |  |  |  |  |  | (15) |  |  |
Capital injection from noncontrolling interests |  |  |  |  |  |  |  |  |  |  |  |  |  | 174 |  |  | 174
Amortization of compensation cost |  | 12,659 |  |  |  | 12,659 |  |  |  |  |  |  |  | 291 |  |  | 12,950
Issuance of ordinary shares | ¥ 61,536 |  |  |  | ¥ 61,536 |  |  |  |  |  |  |  |  |  | ¥ 61,536 |  |
Issuance of ordinary shares (in shares) | shares |  |  | 149,220,834 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Excess value receivable arising from the restructuring of the commercial arrangements with Ant Financial Services and related amortization |  | 166 |  |  |  | 1,318 |  | (1,152) |  |  |  |  |  |  |  |  | 166
Conversion of convertible preferred shares |  | 10,293 |  |  |  | 10,293 |  |  |  |  |  |  |  |  |  |  | 10,293
Conversion of convertible preferred shares (In shares) | shares |  |  |  | 91,243,312 |  |  |  |  |  |  |  |  |  |  |  |  |
Accretion to convertible preferred shareholders |  | (15) |  |  |  |  |  |  |  |  |  |  | (15) |  |  |  | (15)
Dividend to convertible preferred shareholders |  | (97) |  |  |  |  |  |  |  |  |  |  | (97) |  |  |  | (97)
Dividend declared by consolidated subsidiaries to noncontrolling interests |  |  |  |  |  |  |  |  |  |  |  |  |  | (61) |  |  | (61)
Appropriation to statutory reserves |  |  |  |  |  |  |  |  |  | 267 |  |  | (267) |  |  |  |
Balance at Mar. 31, 2015 |  | 145,439 |  | ¥ 1 |  | 117,142 | 0 | (1,152) | (411) | 2,715 | (1,095) | 3,397 | 24,842 | 11,974 |  |  | 157,413
Balance (in shares) at Mar. 31, 2015 | shares |  |  |  | 2,495,499,036 |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency translation adjustment |  | 240 |  |  |  |  |  |  | (16) |  | 24 | 232 |  | 56 |  |  | 296
Net change in unrealized gains on available-for-sale securities |  | 1,368 |  |  |  |  |  |  |  |  |  | 1,368 |  |  |  |  | 1,368
Change in fair value of forward exchange contracts under hedge accounting |  | (168) |  |  |  |  |  |  |  |  |  | (168) |  |  |  |  | (168)
Share of other comprehensive income of equity method investees |  | 65 |  |  |  |  |  |  |  |  |  | 65 |  |  |  |  | 65
Net income for the year |  | 71,460 |  |  |  |  |  |  |  |  |  |  | 71,460 | (158) |  |  | 71,302
Liquidation and deconsolidation of subsidiaries |  | 21 |  |  |  |  |  |  |  |  | 21 |  |  | (10,849) |  |  | (10,828)
Acquisition of subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  | 31,409 |  |  | 31,409
Exercise of share options and vesting of early exercised options and RSUs, including repayment of related employee loans |  | 774 |  |  |  | 519 |  |  | 255 |  |  |  |  |  |  |  | 774
Exercise of share options and vesting of early exercised options and RSUs, including repayment of related employee loans (in shares) | shares |  |  |  | 25,016,386 |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchase and retirement of ordinary shares |  | (19,795) |  |  |  | (2,774) |  |  |  |  |  |  | (17,021) |  |  |  | (19,795)
Repurchase and retirement of ordinary shares (in shares) | shares |  |  |  | (46,587,563) |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisition of additional shares of consolidated subsidiaries |  | (30) |  |  |  | (30) |  |  |  |  |  |  |  |  |  |  | (30)
Redemption of treasury shares granted for Senior Management Share Incentive Scheme |  | 13 |  |  |  | 13 |  |  |  |  |  |  |  | (13) |  |  |
Capital injection from noncontrolling interests |  |  |  |  |  |  |  |  |  |  |  |  |  | 56 |  |  | 56
Amortization of compensation cost |  | 16,434 |  |  |  | 16,434 |  |  |  |  |  |  |  | 80 |  |  | 16,514
Tax benefits from share-based awards |  | 725 |  |  |  | 725 |  |  |  |  |  |  |  |  |  |  | 725
Amortization of excess value receivable arising from the restructuring of the commercial arrangements with Ant Financial Services and others |  | 441 |  |  |  | 177 |  | 264 |  |  |  |  |  |  |  |  | 441
Dividend declared by consolidated subsidiaries to noncontrolling interests |  |  |  |  |  |  |  |  |  |  |  |  |  | (3) |  |  | (3)
Appropriation to statutory reserves |  |  |  |  |  |  |  |  |  | 529 |  |  | (529) |  |  |  |
Balance at Mar. 31, 2016 |  | 216,987 |  | ¥ 1 |  | 132,206 | 0 | (888) | (172) | 3,244 | (1,050) | 4,894 | 78,752 | 32,552 |  |  | ¥ 249,539
Balance (in shares) at Mar. 31, 2016 | shares |  |  |  | 2,473,927,859 |  |  |  |  |  |  |  |  |  |  |  | 2,473,927,859 | 2,473,927,859
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency translation adjustment |  | (2,307) |  |  |  |  |  |  | (17) |  | (2,612) | 322 |  | 99 |  |  | ¥ (2,208)
Net change in unrealized gains on available-for-sale securities |  | 2,105 |  |  |  |  |  |  |  |  |  | 2,105 |  |  |  | $ 306 | 2,105
Share of additional paid-in capital and other comprehensive income of equity method investees |  | 2,199 |  |  |  | 1,419 |  |  |  |  |  | 780 |  |  |  |  | 2,199
Change in fair value of forward exchange contracts under hedge accounting |  | 169 |  |  |  |  |  |  |  |  |  | 169 |  |  |  | 25 | 169
Change in fair value of interest rate swaps under hedge accounting |  | 433 |  |  |  |  |  |  |  |  |  | 433 |  |  |  | 63 | 433
Share of other comprehensive income of equity method investees |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 113 | 780
Net income for the year |  | 43,675 |  |  |  |  |  |  |  |  |  |  | 43,675 | (488) |  |  | 43,187
Liquidation and deconsolidation of subsidiaries |  | 44 |  |  |  |  |  |  |  |  | 44 |  |  |  |  |  | 44
Acquisition of subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  | 9,209 |  |  | 9,209
Exercise of share options and vesting of early exercised options and RSUs, including repayment of related employee loans |  | 701 |  |  |  | 575 |  |  | 126 |  |  |  |  |  |  |  | 701
Exercise of share options and vesting of early exercised options and RSUs, including repayment of related employee loans (in shares) | shares |  |  |  | 56,165,655 |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchase and retirement of ordinary shares |  | (13,182) |  |  |  | (149) |  |  |  |  |  |  | (13,033) |  |  |  | (13,182)
Repurchase and retirement of ordinary shares (in shares) | shares |  |  |  | (27,054,014) |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisition of additional shares of consolidated subsidiaries |  | 110 |  |  |  | 110 |  |  |  |  |  |  |  | (450) |  |  | (340)
Deemed disposals of partial interest in subsidiaries arising from exercise or vesting of share-based awards |  | 100 |  |  |  | 100 |  |  |  |  |  |  |  | (58) |  |  | 42
Redemption of treasury shares granted for Senior Management Share Incentive Scheme |  | 13 |  |  |  | 13 |  |  |  |  |  |  |  | (13) |  |  |
Capital injection from noncontrolling interests |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,079 |  |  | 1,079
Amortization of compensation cost |  | 15,610 |  |  |  | 15,610 |  |  |  |  |  |  |  | 487 |  |  | 16,097
Tax benefits from share-based awards |  | 689 |  |  |  | 689 |  |  |  |  |  |  |  |  |  |  | 689
Issuance of ordinary shares |  | 11,189 |  |  |  | 14,012 | (2,823) |  |  |  |  |  |  |  |  |  | 11,189
Issuance of ordinary shares (in shares) | shares |  |  |  | 26,324,689 |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization of excess value receivable arising from the restructuring of the commercial arrangements with Ant Financial Services and others |  | 264 |  |  |  |  |  | 264 |  |  |  |  |  |  |  |  | 264
Exercise of right of subscription by noncontrolling interest for Partner Capital Investment Plan |  |  |  |  |  |  |  |  |  |  |  |  |  | 100 |  |  | 100
Dividend declared by consolidated subsidiaries to noncontrolling interests |  |  |  |  |  |  |  |  |  |  |  |  |  | (187) |  |  | (187)
Appropriation to statutory reserves |  |  |  |  |  |  |  |  |  | 836 |  |  | (836) |  |  |  |
Balance at Mar. 31, 2017 |  | ¥ 278,799 |  | ¥ 1 |  | ¥ 164,585 | ¥ (2,823) | ¥ (624) | ¥ (63) | ¥ 4,080 | ¥ (3,618) | ¥ 8,703 | ¥ 108,558 | ¥ 42,330 |  | $ 46,654 | ¥ 321,129
Balance (in shares) at Mar. 31, 2017 | shares |  |  |  | 2,529,364,189 |  |  |  |  |  |  |  |  |  |  |  | 2,529,364,189 | 2,529,364,189

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