Cover Page - shares	3 Months Ended
	Mar. 31, 2021	May 04, 2021
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2021
Document Transition Report	false
Entity File Number	000-27275
Entity Registrant Name	Akamai Technologies, Inc
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	04-3432319
Entity Address, Address Line One	145 Broadway
Entity Address, City or Town	Cambridge
Entity Address, State or Province	MA
Entity Address, Postal Zip Code	02142
City Area Code	617
Local Phone Number	444-3000
Title of 12(b) Security	Common Stock - par value $0.01 per share
Trading Symbol	AKAM
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		162,991,685
Amendment Flag	false
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q1
Entity Central Index Key	0001086222
Current Fiscal Year End Date	--12-31