Name:	baba_AdvancesToReceivablesFromCustomersMerchantsAndOthersCurrent
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Carrying amount as of the balance sheet date of deferred sales commissions and cost of revenue that are expected to be recognized in the same period as the related revenues are recognized within one year or the normal operating cycle, if longer.

No definition available.

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The amount of dividends receivable from equity method investments.

No definition available.

Name:	baba_EquityMethodInvestmentDividendsReceivable
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Period Type:	instant

Carrying amount as of the balance sheet date of amounts paid in Film costs and advance for licensed copyrights of video content and others, expected to be capitalized after one year (or the normal operating cycle, if longer).

No definition available.

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Inventory accounted for using the weighted average cost and stated at the lower of cost and net realizable value, expected to be sold or consumed within one year or operating cycle, if longer.

No definition available.

Name:	baba_Inventories
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Amount of asset related to consideration paid in advance for cost of revenue, sales and marketing expenses and others that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

No definition available.

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Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods; total amount due to the entity from outside sources, including trade accounts receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.

No definition available.

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Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods; total amount due to the entity, and amount of other assets that are expected to be realized or consumed after one year or the normal operating cycle, if longer.

No definition available.

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Carrying amount as of the balance sheet date of amounts paid in advance for acquisition of property and equipment, expected to be capitalized after one year (or the normal operating cycle, if longer).

No definition available.

Name:	baba_PrepaidPropertyAndEquipmentNoncurrent
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Data Type:	xbrli:monetaryItemType
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Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
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Period Type:	instant

Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
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Amount of receivables due from an entity that is affiliated with the reporting entity by means of direct or indirect ownership, due within 1 year (or 1 business cycle).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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Carrying amount as of the balance sheet date of current interest earned but not received. Also called accrued interest or accrued interest receivable. For classified balance sheets, represents the current amount receivable, that is amounts expected to be collected within one year or the normal operating cycle, if longer.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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Period Type:	instant

Amount of lessee's right to use underlying asset under operating lease.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (a)
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Balance Type:	debit
Period Type:	instant

Indicates line item in statement of financial position that includes operating lease right-of-use asset.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
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Data Type:	enum2:enumerationSetItemType
Balance Type:	na
Period Type:	instant

Amount of current assets classified as other.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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-Section 55
-Paragraph 10
-URI https://asc.fasb.org/extlink&oid=84165509&loc=d3e56426-112766

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Amount of noncurrent assets classified as other.

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- References

No definition available.

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- References

No definition available.

Name:	us-gaap_PrepaidExpenseAndOtherAssetsNoncurrentAbstract
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Carrying amount as of the balance sheet date of value added taxes due either from customers arising from sales on credit terms, or as previously overpaid to tax authorities. For classified balance sheets, represents the current amount receivable, that is amounts expected to be collected within one year or the normal operating cycle, if longer.