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v3.22.1

SIGNIFICANT ACCOUNTING POLICIES - Acquired intangible assets (Details) | 12 Months Ended
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Feb. 28, 2022
Trade name and domain names | Minimum |
Finite-Lived Intangible Assets [Line Items] |
Amortization period (in years) | 1 year
Trade name and domain names | Maximum |
Finite-Lived Intangible Assets [Line Items] |
Amortization period (in years) | 10 years
Copyrights and teaching materials | Minimum |
Finite-Lived Intangible Assets [Line Items] |
Amortization period (in years) | 3 years
Copyrights and teaching materials | Maximum |
Finite-Lived Intangible Assets [Line Items] |
Amortization period (in years) | 10 years
User base and customer relationships | Minimum |
Finite-Lived Intangible Assets [Line Items] |
Amortization period (in years) | 3 years
User base and customer relationships | Maximum |
Finite-Lived Intangible Assets [Line Items] |
Amortization period (in years) | 7 years
Technology | Minimum |
Finite-Lived Intangible Assets [Line Items] |
Amortization period (in years) | 4 years
Technology | Maximum |
Finite-Lived Intangible Assets [Line Items] |
Amortization period (in years) | 6 years
Partnership agreements and school cooperation agreements | Minimum |
Finite-Lived Intangible Assets [Line Items] |
Amortization period (in years) | 4 years
Partnership agreements and school cooperation agreements | Maximum |
Finite-Lived Intangible Assets [Line Items] |
Amortization period (in years) | 6 years
Licenses | Minimum |
Finite-Lived Intangible Assets [Line Items] |
Amortization period (in years) | 2 years
Licenses | Maximum |
Finite-Lived Intangible Assets [Line Items] |
Amortization period (in years) | 9 years
Others | Minimum |
Finite-Lived Intangible Assets [Line Items] |
Amortization period (in years) | 1 year
Others | Maximum |
Finite-Lived Intangible Assets [Line Items] |
Amortization period (in years) | 7 years

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- Definition 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. + References No definition available. + Details
Name: | us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_LicensingAgreementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=tal_OtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |