Document and Entity Information	12 Months Ended
	Dec. 31, 2018 shares
Document And Entity Information
Entity Registrant Name	NICE Ltd.
Entity Central Index Key	0001003935
Document Type	20-F
Document Period End Date	Dec. 31, 2018
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Is Entity a Well-known Seasoned Issuer	Yes
Is Entity a Voluntary Filer	No
Is Entity's Reporting Status Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Shell Company	false
Entity Emerging Growth Company	false
Entity Common Stock, Shares Outstanding	61,769,554
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2018