Cover Page - shares	6 Months Ended
	Aug. 03, 2019	Aug. 26, 2019
Cover page.
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Aug. 03, 2019
Document Transition Report	false
Entity File Number	1-7562
Entity Registrant Name	GAP, INC
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	94-1697231
Entity Address, Address Line One	Two Folsom Street,
Entity Address, City or Town	San Francisco,
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	94105
City Area Code	415
Local Phone Number	427-0100
Title of 12(b) Security	Common Stock, $0.05 par value
Trading Symbol	GPS
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		375,787,585
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q2
Entity Central Index Key	0000039911
Current Fiscal Year End Date	--02-01
Amendment Flag	false