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Revenue- By type of service (Details) ¥ in Millions, $ in Millions | 12 Months Ended
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Mar. 31, 2017 USD ($) | Mar. 31, 2017 CNY (¥) | Mar. 31, 2016 CNY (¥) | Mar. 31, 2015 CNY (¥)
Revenue by type of service |  |  |  |
Revenue | $ 22,994 | ¥ 158,273 | ¥ 101,143 | ¥ 76,204
Online marketing services |  |  |  |
Revenue by type of service |  |  |  |
Revenue |  | 89,287 | 57,148 | 40,135
P4P and display marketing |  |  |  |
Revenue by type of service |  |  |  |
Revenue |  | 83,581 | 53,185 | 36,197
Other online marketing services |  |  |  |
Revenue by type of service |  |  |  |
Revenue |  | 5,706 | 3,963 | 3,938
Commission |  |  |  |
Revenue by type of service |  |  |  |
Revenue |  | 37,848 | 27,793 | 22,705
Membership fees and value-added services |  |  |  |
Revenue by type of service |  |  |  |
Revenue |  | 10,638 | 7,627 | 6,431
Cloud computing services |  |  |  |
Revenue by type of service |  |  |  |
Revenue |  | 6,663 | 3,019 | 1,271
Others |  |  |  |
Revenue by type of service |  |  |  |
Revenue |  | ¥ 13,837 | ¥ 5,556 | ¥ 5,662

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