Net Sales by Brand and Region (Details) - USD ($) $ in Millions		12 Months Ended
		Feb. 03, 2024	[1]	Jan. 28, 2023		Jan. 29, 2022
Disaggregation of Revenue [Line Items]
Net sales		$ 14,889		$ 15,616		$ 16,670
Old Navy [Member]
Disaggregation of Revenue [Line Items]
Net sales		8,203		8,234		9,082
Gap Global
Disaggregation of Revenue [Line Items]
Net sales		3,341		3,774		4,063
Banana Republic Global
Disaggregation of Revenue [Line Items]
Net sales		1,939		2,116		1,976
Athleta [Member]
Disaggregation of Revenue [Line Items]
Net sales		1,360		1,480		1,447
Other entities
Disaggregation of Revenue [Line Items]
Net sales		46	[2]	12	[2]	102	[3]
U.S.
Disaggregation of Revenue [Line Items]
Net sales	[4]	12,967		13,201		14,117
U.S. | Old Navy [Member]
Disaggregation of Revenue [Line Items]
Net sales	[4]	7,460		7,471		8,272
U.S. | Gap Global
Disaggregation of Revenue [Line Items]
Net sales	[4]	2,470		2,461		2,608
U.S. | Banana Republic Global
Disaggregation of Revenue [Line Items]
Net sales	[4]	1,681		1,829		1,703
U.S. | Athleta [Member]
Disaggregation of Revenue [Line Items]
Net sales	[4]	1,310		1,428		1,432
U.S. | Other entities
Disaggregation of Revenue [Line Items]
Net sales	[4]	46	[2]	12	[2]	102	[3]
Canada
Disaggregation of Revenue [Line Items]
Net sales		1,221		1,236		1,252
Canada | Old Navy [Member]
Disaggregation of Revenue [Line Items]
Net sales		674		679		713
Canada | Gap Global
Disaggregation of Revenue [Line Items]
Net sales		332		332		349
Canada | Banana Republic Global
Disaggregation of Revenue [Line Items]
Net sales		170		192		178
Canada | Athleta [Member]
Disaggregation of Revenue [Line Items]
Net sales		45		33		12
Canada | Other entities
Disaggregation of Revenue [Line Items]
Net sales		0	[2]	0	[2]	0	[3]
Other Regions
Disaggregation of Revenue [Line Items]
Net sales		701		1,179		1,301
Other Regions | Old Navy [Member]
Disaggregation of Revenue [Line Items]
Net sales		69		84		97
Other Regions | Gap Global
Disaggregation of Revenue [Line Items]
Net sales		539		981		1,106
Other Regions | Banana Republic Global
Disaggregation of Revenue [Line Items]
Net sales		88		95		95
Other Regions | Athleta [Member]
Disaggregation of Revenue [Line Items]
Net sales		5		19		3
Other Regions | Other entities
Disaggregation of Revenue [Line Items]
Net sales		$ 0	[2]	$ 0	[2]	$ 0	[3]

[1] Fiscal 2023 includes incremental sales attributable to the 53rd week.

[2] Primarily consists of net sales from revenue-generating strategic initiatives.

[3] Primarily consists of net sales for the Intermix and Janie and Jack brands, as well as other revenue-generating strategic initiatives. The divestiture of Janie and Jack was completed on April 8, 2021. The divestiture of Intermix was completed on May 21, 2021.

[4] U.S. includes the United States and Puerto Rico.