Cover Page - USD ($) $ in Billions	12 Months Ended
	Jul. 01, 2023	Jul. 29, 2023	Dec. 31, 2022
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Jul. 01, 2023
Current Fiscal Year End Date	--07-01
Document Transition Report	false
Entity File Number	000-22874
Entity Registrant Name	Viavi Solutions Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	94-2579683
Entity Address, Address Line One	1445 South Spectrum Blvd, Suite 102
Entity Address, City or Town	Chandler
Entity Address, State or Province	AZ
Entity Address, Postal Zip Code	85286
City Area Code	408
Local Phone Number	404-3600
Title of 12(b) Security	Common Stock, par value of $0.001 per share
Trading Symbol	VIAV
Security Exchange Name	NASDAQ
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
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Public Float			$ 2.3
Entity Common Stock, Shares Outstanding		221,495,490
Documents Incorporated by Reference	Portions of the Registrant’s Notice of Annual Meeting of Stockholders and Proxy Statement to be filed pursuant to Regulation 14A within 120 days after Registrant’s fiscal year end of July 1, 2023 are incorporated by reference into Part III of this Report.
Amendment Flag	false
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	FY
Entity Central Index Key	0000912093