XML 76 R67.htm IDEA: XBRL DOCUMENT
v3.20.4

Share-based awards- General (Details) |  |  |  | 6 Months Ended
--- | --- | --- | --- | ---
Jul. 30, 2019 shares | Jul. 29, 2019 shares | Apr. 01, 2015 shares | Sep. 30, 2020 shares
Share-based awards |  |  |  |
Number of shares authorized but unissued |  |  |  | 299,872,568
Ratio of share subdivision | 8 |  |  |
ADS ratio | 8 | 1 |  |
Number of ordinary share issuable upon vesting of one outstanding RSU or exercise of one outstanding share option | 8 | 1 |  |
Share option and RSUs with four-year vesting schedule |  |  |  |
Share-based awards |  |  |  |
Vesting period |  |  |  | 4 years
Vesting percentage |  |  |  | 25.00%
Share option and RSUs with four-year vesting schedule and initial vesting at first anniversary |  |  |  |
Share-based awards |  |  |  |
Vesting percentage |  |  |  | 25.00%
Share option and RSUs with four-year vesting schedule and initial vesting at second anniversary |  |  |  |
Share-based awards |  |  |  |
Vesting percentage |  |  |  | 50.00%
Share option and RSUs with six-year vesting schedule |  |  |  |
Share-based awards |  |  |  |
Vesting period |  |  |  | 6 years
Share option and RSUs with six-year vesting schedule | Maximum |  |  |  |
Share-based awards |  |  |  |
Expiry period |  |  |  | 10 years
2014 Plan |  |  |  |
Share-based awards |  |  |  |
Plan term |  |  |  | 10 years
2014 Plan | Maximum |  |  |  |
Share-based awards |  |  |  |
Additional number of shares subject to award |  |  | 200,000,000 |
2014 Plan | Maximum | Before the Share Subdivision |  |  |  |
Share-based awards |  |  |  |
Additional number of shares subject to award |  |  | 25,000,000 |

X
- Definition Number of ordinary share issuable upon the vesting of one outstanding RSU or the exercise of one outstanding share option. + References No definition available. + Details
Name: | baba_NumberOfOrdinaryShareWasIssuableUponVestingOfOneOutstandingRsuOrExerciseOfOneOutstandingShareOption
Namespace Prefix: | baba_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Period from the date of the establishment of plan award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | baba_ShareBasedCompensationArrangementByShareBasedPaymentPlanExpirationPeriod
Namespace Prefix: | baba_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of underlying shares represented by one American Depository Receipt (ADR) or Global Depository Receipt (GDR). A value of '3' means that one ADR represents 3 underlying shares. If one underlying share represents 2 ADR's then the value would be represented as '0.5'. + References No definition available. + Details
Name: | dei_EntityListingDepositoryReceiptRatio
Namespace Prefix: | dei_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of additional shares authorized for issuance under share-based payment arrangement. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of vesting of award under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
Name: | us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
Name: | us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB TOPIC 4.C) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187143-122770 + Details
Name: | us-gaap_StockholdersEquityNoteStockSplitConversionRatio1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=baba_StockOptionAndRestrictedStockUnitsWithFourYearVestingScheduleMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=baba_StockOptionAndRestrictedStockUnitsWithFourYearVestingScheduleAndInitialVestingAtFirstAnniversaryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=baba_StockOptionAndRestrictedStockUnitsWithFourYearVestingScheduleAndInitialVestingAtSecondAnniversaryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=baba_StockOptionAndRestrictedStockUnitsWithSixYearVestingScheduleMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PlanNameAxis=baba_StockBasedAwards2014PlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RestatementAxis=srt_ScenarioPreviouslyReportedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |