Represents the maximum amortization period of a major class of finite-lived intangible assets acquired during the current period either individually or as part of a group of assets (in either an asset acquisition or business combination). A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

Name:	tgt_AcquiredFiniteLivedIntangibleAssetsAmortizationPeriodMaximum
Namespace Prefix:	tgt
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

Canadian Leasehold Acquisition (Details) (Canadian Leasehold Acquisition.) In Millions, unless otherwise specified	1 Months Ended	3 Months Ended		9 Months Ended	3 Months Ended	10 Months Ended
	Jan. 29, 2011 CAD store site	Oct. 29, 2011 USD ($) site	Jul. 30, 2011 site	Oct. 29, 2011 USD ($) site	Oct. 29, 2011 Canadian USD ($)	Oct. 29, 2011 Canadian USD ($) Y
Leasehold acquisition
Arrangement to purchase leasehold interests, maximum number of leasehold sites	220
Price paid for leasehold interests acquisition before sale of leasehold interests' right	1,825
Number of additional leasehold locations selected for new stores		84		84
Number of stores to be opened in Canada primarily during 2013, low end of the range	125
Number of stores to be opened in Canada primarily during 2013, high end of the range	135
Number of Canadian leasehold locations selected for new stores			105	189
Number of leasehold sites under sale of right to acquire the leasehold interests		54
Proceeds from sale of right to acquire the leasehold interests		225
Price paid for leasehold interests' acquisition		1,636		1,636
Assets acquired
Capital lease assets					515	2,887
Intangible assets					23	23
Total assets					538	2,910
Liabilities
Capital lease obligations					$ 255	$ 1,274
Amortization period of acquired intangible assets, minimum (in years)						3
Amortization period of acquired intangible assets, maximum (in years)						13