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Quarterly Results (Unaudited) - Summary of Sales by Product Category (Details) | 3 Months Ended | 12 Months Ended
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Jan. 30, 2016 | Oct. 31, 2015 | Aug. 01, 2015 | May. 02, 2015 | Jan. 31, 2015 | Nov. 01, 2014 | Aug. 02, 2014 | May. 03, 2014 | Jan. 30, 2016 | Jan. 31, 2015
Quarterly Results (unaudited) |  |  |  |  |  |  |  |  |  |
Percentage of total sales | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% | 100.00%
Household essentials |  |  |  |  |  |  |  |  |  |
Quarterly Results (unaudited) |  |  |  |  |  |  |  |  |  |
Percentage of total sales | 21.00% | 28.00% | 28.00% | 28.00% | 22.00% | 27.00% | 28.00% | 27.00% | 26.00% | 25.00%
Hardlines |  |  |  |  |  |  |  |  |  |
Quarterly Results (unaudited) |  |  |  |  |  |  |  |  |  |
Percentage of total sales | 24.00% | 13.00% | 14.00% | 14.00% | 24.00% | 15.00% | 15.00% | 15.00% | 17.00% | 18.00%
Apparel and accessories |  |  |  |  |  |  |  |  |  |
Quarterly Results (unaudited) |  |  |  |  |  |  |  |  |  |
Percentage of total sales | 18.00% | 19.00% | 21.00% | 20.00% | 17.00% | 19.00% | 20.00% | 19.00% | 19.00% | 19.00%
Food and pet supplies |  |  |  |  |  |  |  |  |  |
Quarterly Results (unaudited) |  |  |  |  |  |  |  |  |  |
Percentage of total sales | 19.00% | 22.00% | 20.00% | 22.00% | 19.00% | 21.00% | 20.00% | 23.00% | 21.00% | 21.00%
Home furnishings and décor |  |  |  |  |  |  |  |  |  |
Quarterly Results (unaudited) |  |  |  |  |  |  |  |  |  |
Percentage of total sales | 18.00% | 18.00% | 17.00% | 16.00% | 18.00% | 18.00% | 17.00% | 16.00% | 17.00% | 17.00%
Pharmacy |  |  |  |  |  |  |  |  |  |
Quarterly Results (unaudited) |  |  |  |  |  |  |  |  |  |
Percentage of total sales | 3.00% | 6.00% | 6.00% | 6.00% | 5.00% | 6.00% | 6.00% | 6.00% | 5.00% | 6.00%

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- Definition This element represents the percentage of the entity's aggregate sales during the reporting period. + References No definition available. + Details
Name: | tgt_PercentageOfTotalSales
Namespace Prefix: | tgt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition This element represents a percentage of the entity's aggregate sales during the reporting period. + References No definition available. + Details
Name: | tgt_QuarterlyFinancialLineItems
Namespace Prefix: | tgt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_ProductOrServiceAxis=tgt_HouseholdEssentialsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_ProductOrServiceAxis=tgt_HardlinesMember
Namespace Prefix: |
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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: |
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Balance Type: |
Period Type: |

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