Cover - shares	6 Months Ended
	Jun. 30, 2023	Jul. 28, 2023
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2023
Document Transition Report	false
Entity File Number	0-24429
Entity Registrant Name	COGNIZANT TECHNOLOGY SOLUTIONS CORPORATION
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	13-3728359
Entity Address, Address Line One	300 Frank W. Burr Blvd.
Entity Address, City or Town	Teaneck
Entity Address, State or Province	NJ
Entity Address, Postal Zip Code	07666
City Area Code	201
Local Phone Number	801-0233
Title of 12(b) Security	Class A Common Stock, $0.01 par value per share
Trading Symbol	CTSH
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		505,041,392
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q2
Entity Central Index Key	0001058290
Current Fiscal Year End Date	--12-31
Amendment Flag	false