v3.26.1
Derivative Financial Instruments - Effects Of Derivative Financial Instruments On OCI And Condensed Consolidated Statements Of Income (Details) - USD ($)
$ in Millions
 3 Months Ended
May 02, 2026
May 03, 2025
Derivative Instruments, (Gain) Loss [Line Items]    
Cost of goods sold and occupancy expenses $ 2,080 $ 2,015
Operating Expenses 972 1,188
Income Statement Location [Axis]: us-gaap:OperatingExpenses    
Derivative Instruments, (Gain) Loss [Line Items]    
Gain (Loss) on Derivative Instruments, Net, Pretax (2) 21
Income Statement Location [Axis]: gap:CostOfGoodsSoldAndOccupancyExpenseMember    
Derivative Instruments, (Gain) Loss [Line Items]    
Gain (Loss) on Derivative Instruments, Net, Pretax (3) (5)
Foreign Exchange Forward Contract | Income Statement Location [Axis]: us-gaap:OperatingExpenses | Not Designated as Hedging Instrument    
Derivative Instruments, (Gain) Loss [Line Items]    
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net (2) 21
Foreign Exchange Forward Contract | Income Statement Location [Axis]: us-gaap:OperatingExpenses | Derivatives in cash flow hedging relationships    
Derivative Instruments, (Gain) Loss [Line Items]    
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax 0 0
Foreign Exchange Forward Contract | Income Statement Location [Axis]: gap:CostOfGoodsSoldAndOccupancyExpenseMember | Not Designated as Hedging Instrument    
Derivative Instruments, (Gain) Loss [Line Items]    
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net 0 0
Foreign Exchange Forward Contract | Income Statement Location [Axis]: gap:CostOfGoodsSoldAndOccupancyExpenseMember | Derivatives in cash flow hedging relationships    
Derivative Instruments, (Gain) Loss [Line Items]    
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax $ (3) $ (5)