Income Taxes (Details) $ in Millions	3 Months Ended
Nov. 02, 2019 USD ($)
Income Tax Disclosure [Abstract]
ImpactfromSwissTaxReform	$ 38.0

Impact to deferred income tax assets and deferred income tax liabilities as a result of Swiss Tax Reform

No definition available.

Name:	anf_ImpactfromSwissTaxReform
Namespace Prefix:	anf_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration