Net Sales by Brand and Region (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Oct. 28, 2023	Oct. 29, 2022	Oct. 28, 2023	Oct. 29, 2022
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Sales		$ 3,767	$ 4,039	$ 10,591	$ 11,373
Old Navy
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Sales		2,126	2,137	5,915	6,068
Gap
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Sales		887	1,041	2,334	2,713
Banana Republic [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Sales		460	517	1,372	1,538
Athleta [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Sales		279	340	941	1,044
Other entities [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Sales	[1]	15	4	29	10
U.S.
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Sales	[2]	3,261	3,404	9,174	9,580
U.S. | Old Navy
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Sales	[2]	1,917	1,936	5,353	5,489
U.S. | Gap
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Sales	[2]	664	690	1,702	1,752
U.S. | Banana Republic [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Sales	[2]	398	448	1,187	1,324
U.S. | Athleta [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Sales	[2]	267	326	903	1,005
U.S. | Other entities [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Sales	[1],[2]	15	4	29	10
Canada
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Sales		341	333	891	921
Canada | Old Navy
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Sales		193	184	503	514
Canada | Gap
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Sales		96	95	233	241
Canada | Banana Republic [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Sales		42	47	122	143
Canada | Athleta [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Sales		10	7	33	23
Canada | Other entities [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Sales	[1]	0	0	0	0
Europe
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Sales		30	61	91	172
Europe | Old Navy
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Sales		0	1	1	2
Europe | Gap
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Sales		29	58	87	163
Europe | Banana Republic [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Sales		1	1	2	4
Europe | Athleta [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Sales		0	1	1	3
Europe | Other entities [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Sales	[1]	0	0	0	0
Asia
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Sales		84	157	267	474
Asia | Old Navy
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Sales		1	0	2	1
Asia | Gap
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Sales		71	143	225	425
Asia | Banana Republic [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Sales		12	14	40	48
Asia | Athleta [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Sales		0	0	0	0
Asia | Other entities [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Sales	[1]	0	0	0	0
Other Regions
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Sales		51	84	168	226
Other Regions | Old Navy
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Sales		15	16	56	62
Other Regions | Gap
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Sales		27	55	87	132
Other Regions | Banana Republic [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Sales		7	7	21	19
Other Regions | Athleta [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Sales		2	6	4	13
Other Regions | Other entities [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Sales	[1]	$ 0	$ 0	$ 0	$ 0

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

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