Cover - USD ($)	12 Months Ended
	Jan. 30, 2021	Mar. 19, 2021	Jul. 31, 2020
Document Information [Line Items]
Document Annual Report	true
Document Transition Report	false
Document Type	10-K
Document Period End Date	Jan. 30, 2021
Entity File Number	001-31463
Entity Registrant Name	DICK'S SPORTING GOODS, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	16-1241537
Entity Address, Address Line One	345 Court Street
Entity Address, City or Town	Coraopolis
Entity Address, State or Province	PA
Entity Address, Postal Zip Code	15108
City Area Code	724
Local Phone Number	273-3400
Title of 12(b) Security	Common Stock, $0.01 par value
Trading Symbol	DKS
Security Exchange Name	NYSE
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
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 Public Float			$ 2,739,909,965
Entity Central Index Key	0001089063
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	FY
Current Fiscal Year End Date	--01-30
Amendment Flag	false
ICFR Auditor Attestation Flag	true
Common Stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		65,545,683
Class B Common Stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		23,735,633