Amount of cash consideration included in net assets acquired in the business acquisition.

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Amount of assets, excluding identifiable intangible assets and deferred tax liabilities, but including fair value of the noncontrolling interest in the acquiree, acquired at the acquisition date.

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No definition available.

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Percentage of equity interests acquired.

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The entity's percentage ownership of investee following completion of the transaction and conversion of the convertible bonds received as part of the consideration.

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The cash outflow associated with the purchase of equity interest.

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Principal amount of convertible bonds which is converted into ordinary shares.

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Purchase price of convertible bonds.

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Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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.

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This element represents the fair value of the noncontrolling interest in the acquiree at the acquisition date.

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Amount of deferred tax asset attributable to deductible temporary differences and carryforwards acquired at the acquisition date.

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Amount of deferred tax liability attributable to taxable temporary differences assumed at the acquisition date.

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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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Amount recognized as of the acquisition date for the assets, including goodwill, in excess of (less than) the aggregate liabilities assumed, less the noncontrolling interest in the acquiree.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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Significant restructuring transaction, mergers and acquisitions and equity investments- AGTech (Details) ¥ in Millions, $ in Millions, $ in Millions	1 Months Ended
	Mar. 31, 2017 HKD ($)	Mar. 31, 2017 CNY (¥)	Aug. 31, 2016 HKD ($)	Aug. 31, 2016 CNY (¥)	Mar. 31, 2018 USD ($)	Mar. 31, 2018 CNY (¥)	Aug. 31, 2016 CNY (¥)	Mar. 31, 2016 CNY (¥)
The allocation of the purchase price at the date of acquisition
Goodwill		¥ 125,420			$ 25,850	¥ 162,149		¥ 81,645
AGTech
The allocation of the purchase price at the date of acquisition
Net assets acquired							¥ 1,638
Goodwill							7,782
Deferred tax assets							4
Deferred tax liabilities							(86)
Noncontrolling interests							(8,255)
Total			$ 1,880				1,612
Cash consideration included in net assets acquired				¥ 1,612
Estimated amortization periods			3 years	3 years
Weighted average amortization period			3 years	3 years
AGTech \| Developed technology and patents
The allocation of the purchase price at the date of acquisition
Amortizable intangible assets							414
AGTech \| Trade names, trademarks and domain names
The allocation of the purchase price at the date of acquisition
Amortizable intangible assets							44
AGTech \| Non-compete agreements
The allocation of the purchase price at the date of acquisition
Amortizable intangible assets							38
AGTech \| Others
The allocation of the purchase price at the date of acquisition
Amortizable intangible assets							¥ 33
Investment vehicle owned by the Company and Ant Financial \| AGTech
Acquisition
Ownership of investee upon completion of transaction and conversion of convertible bonds, percentage			53.00%		55.00%	55.00%	53.00%
Investment vehicle owned by the Company and Ant Financial \| Convertible bonds \| AGTech
Acquisition
Principal amount of convertible bonds converted	$ 175	¥ 155	$ 205	¥ 176
Investment vehicle owned by the Company and Ant Financial
Acquisition
Equity interest held in investee (as a percentage)			60.00%				60.00%
Investment vehicle owned by the Company and Ant Financial \| Ant Financial
Acquisition
Noncontrolling interest (as a percent)			40.00%				40.00%
AGTech \| Investment vehicle owned by the Company and Ant Financial \| Ordinary Shares
Acquisition
Cash consideration of equity interest			$ 1,675	¥ 1,436
Equity interest acquired (as a percent)			49.00%	49.00%
AGTech \| Investment vehicle owned by the Company and Ant Financial \| Convertible bonds \| Subscription agreement with AGTech
Acquisition
Purchase price			$ 713	¥ 611