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Significant equity transactions, restructuring transactions, mergers and acquisitions and equity investments- Equity investments and others- Two (Details) $ in Millions | 1 Months Ended | 9 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Dec. 31, 2015 USD ($) | Dec. 31, 2015 CNY (¥) | Nov. 30, 2015 CNY (¥) | Aug. 31, 2015 CNY (¥) | Apr. 30, 2015 CNY (¥) | Feb. 28, 2015 USD ($) | Feb. 28, 2015 CNY (¥) | Mar. 31, 2016 CNY (¥) | Mar. 31, 2017 CNY (¥) | Mar. 31, 2016 CNY (¥) | Jan. 31, 2017 CNY (¥) | Jun. 30, 2015 | Mar. 31, 2015 CNY (¥)
Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Equity financing |  |  |  |  |  |  |  |  | ¥ 11,189,000,000 |  |  |  |
Pledge of collateral to PRC bank for its loan | One of the founders of the Company |  |  |  |  |  |  |  |  |  |  |  |  |
Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Investment in wealth management products, aggregate principal amount |  |  |  |  | ¥ 7,300,000,000 |  |  |  | 6,900,000,000 |  |  |  |
Investment in wealth management products, early redeemed amount |  |  |  |  |  |  |  |  |  |  | ¥ 420,000,000 |  |
Investment in wealth management products, interest rate per annum |  |  |  |  | 5.00% |  |  |  |  |  |  |  |
Investment in wealth management products, maturity term |  |  |  |  | 5 years |  |  |  |  |  |  |  |
Related party's PRC bank loan |  |  |  |  | ¥ 6,900,000,000 |  |  |  |  |  |  |  |
Loan agreement | One of the founders of the Company |  |  |  |  |  |  |  |  |  |  |  |  |
Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Term (in years) |  |  |  |  | 10 years |  |  |  |  |  |  |  |
Interest rate (as a percent) |  |  |  |  | 8.00% |  |  |  |  |  |  |  |
Loan balances |  |  |  |  |  |  |  | ¥ 0 | ¥ 749,000,000 | ¥ 0 |  |  |
Loan agreement | One of the founders of the Company | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |
Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  | ¥ 2,000,000,000 |  |  |  |  |  |  |  |
Cainiao Network |  |  |  |  |  |  |  |  |  |  |  |  |
Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Cost of equity interest |  |  |  |  |  |  |  | ¥ 6,992,000,000 |  | 6,992,000,000 |  |  | ¥ 2,400,000,000
Gain arising from deemed disposal |  |  |  |  |  |  |  |  |  | ¥ 448,000,000 |  |  |
Equity interest (as a percent) |  |  |  |  |  |  |  | 47.00% |  | 47.00% |  |  | 48.00%
Magic Leap | Convertible preferred shares |  |  |  |  |  |  |  |  |  |  |  |  |
Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Equity interest (as a percent) | 10.00% | 10.00% |  |  |  |  |  |  |  |  |  |  |
Purchase consideration, cost method | $ 430 | ¥ 2,775,000,000 |  |  |  |  |  |  |  |  |  |  |
CMC | Preferred shares |  |  |  |  |  |  |  |  |  |  |  |  |
Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Equity interest (as a percent) | 21.00% | 21.00% |  |  |  |  |  |  |  |  |  |  |
Purchase consideration, cost method | $ 197 | ¥ 1,270,000,000 |  |  |  |  |  |  |  |  |  |  |
Limited partnership managed by founder of CMC | Limited partnership |  |  |  |  |  |  |  |  |  |  |  |  |
Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Equity interest (as a percent) | 20.00% | 20.00% |  |  |  |  |  |  |  |  |  |  |
Purchase consideration, equity method |  | ¥ 1,250,000,000 |  |  |  |  |  |  |  |  |  |  |
Shiji Information | Ordinary Shares |  |  |  |  |  |  |  |  |  |  |  |  |
Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of equity interest acquired |  |  | 13.00% |  |  |  |  |  |  |  |  |  |
Total cash consideration |  |  | ¥ 2,389,000,000 |  |  |  |  |  |  |  |  |  |
Huayi Brothers | Ordinary Shares |  |  |  |  |  |  |  |  |  |  |  |  |
Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of equity interest acquired |  |  |  | 4.00% |  |  |  |  |  |  |  |  |
Total cash consideration |  |  |  | ¥ 1,533,000,000 |  |  |  |  |  |  |  |  |
Koubei |  |  |  |  |  |  |  |  |  |  |  |  |
Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Equity interest (as a percent) |  |  |  |  |  |  |  |  | 38.00% |  |  | 49.60% |
Purchase consideration, equity method |  |  |  |  |  |  |  | ¥ 3,000,000,000 |  |  |  |  |
Gain recognized in relation to the contribution of businesses |  |  |  |  |  |  |  |  |  | ¥ 128,000,000 |  |  |
Meizu | Convertible preferred shares |  |  |  |  |  |  |  |  |  |  |  |  |
Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Equity interest (as a percent) |  |  |  |  |  | 29.00% | 29.00% |  |  |  |  |  |
Purchase consideration, cost method |  |  |  |  |  | $ 590 | ¥ 3,619,000,000 |  |  |  |  |  |
Ant Financial Services | Koubei |  |  |  |  |  |  |  |  |  |  |  |  |
Investment |  |  |  |  |  |  |  |  |  |  |  |  |
Equity interest (as a percent) |  |  |  |  |  |  |  |  |  |  |  | 49.60% |

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