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Commitments (Details 4) ¥ in Millions, TWD in Billions, HKD in Billions | 12 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2015 TWD item | Mar. 31, 2015 HKD | Mar. 31, 2015 CNY (¥) | Mar. 31, 2014 CNY (¥)
Acquisition of investment securities and equity investees, various arrangements | Maximum |  |  |  |
Investment commitments |  |  |  |
Amount committed |  |  | ¥ 5,364 | ¥ 12,333
Intention to establish not-for-profit foundations |  |  |  |
Investment commitments |  |  |  |
Number of not-for-profit foundations to be established | item | 2 |  |  |
Intention to establish not-for-profit foundations | Hong Kong |  |  |  |
Investment commitments |  |  |  |
Amount committed |  | HKD 1 | 792 |
Intention to establish not-for-profit foundations | Taiwan |  |  |  |
Investment commitments |  |  |  |
Amount committed | TWD 10 |  | ¥ 1,983 |

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- Definition Number of not-for-profit foundations to be established, announced by the entity as its commitments during the period. + References No definition available. + Details
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Data Type: | xbrli:integerItemType
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- Definition Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. + References No definition available. + Details
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Period Type: | instant

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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- Details
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- Details
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