Cover Page - shares	6 Months Ended
	Jan. 29, 2022	Feb. 17, 2022
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jan. 29, 2022
Document Transition Report	false
Entity File Number	001-39940
Entity Registrant Name	CISCO SYSTEMS, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	77-0059951
Entity Address, Address Line One	170 West Tasman Drive
Entity Address, City or Town	San Jose
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	95134
City Area Code	408
Local Phone Number	526-4000
Title of 12(b) Security	Common Stock, par value $0.001 per share
Trading Symbol	CSCO
Security Exchange Name	NASDAQ
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 (in shares)		4,154,168,000
Amendment Flag	false
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2022
Entity Central Index Key	0000858877
Current Fiscal Year End Date	--07-30