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Significant Acquisition And Equity Transactions (Details 3) - Privatization of Alibaba.com Limited - Alibaba.com Limited ¥ in Millions |  |  | 1 Months Ended | 12 Months Ended |  |
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Jun. 21, 2012 CNY (¥) | Jun. 20, 2012 HKD / shares | May. 31, 2012 HKD / shares | May. 31, 2012 CNY (¥) | Mar. 31, 2013 CNY (¥) | Mar. 31, 2015 CNY (¥) | Mar. 31, 2014 CNY (¥)
Privatization and other share repurchase transactions related to Alibaba.com Limited |  |  |  |  |  |  |
Cash payment per outstanding share (in HK dollars per share) | HKD / shares |  |  | HKD 13.50 |  |  |  |
Cash consideration |  |  |  | ¥ 15,100 | ¥ 15,134 |  |
Price offered for each RSU and restricted share (in HK dollars per share) | HKD / shares |  | HKD 13.50 |  |  |  |  |
Price offered for each share option before deducting the relevant exercise price (in HK dollars per share) | HKD / shares |  | HKD 13.50 |  |  |  |  |
Commitments recorded as accrued expenses, accounts payable and other current liabilities |  |  |  |  | 238 | ¥ 25 | ¥ 87
Incremental share-based compensation expense |  |  |  |  | 64 |  |
Reduction in noncontrolling interest | ¥ 2,636 |  |  |  |  |  |
Commitment to pay to former holders of share-based awards |  |  |  |  |  |  |
Privatization and other share repurchase transactions related to Alibaba.com Limited |  |  |  |  |  |  |
Commitments upon vesting |  |  |  |  | ¥ 384 | ¥ 34 | ¥ 133

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