Cover Page - USD ($) $ in Billions	12 Months Ended
	Mar. 31, 2022	May 10, 2022	Sep. 30, 2021
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Mar. 31, 2022
Current Fiscal Year End Date	--03-31
Document Transition Report	false
Entity File Number	001-36766
Entity Registrant Name	New Relic, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	26-2017431
Entity Address, Address Line One	188 Spear Street
Entity Address, Address Line Two	Suite 1000
Entity Address, City or Town	San Francisco
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	94105
City Area Code	650
Local Phone Number	777-7600
Title of 12(b) Security	Common Stock, par value $0.001 per share
Trading Symbol	NEWR
Security Exchange Name	NYSE
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			$ 4.1
Entity Common Stock, Shares Outstanding		66,920,164
Documents Incorporated by Reference	Portions of the registrant’s Definitive Proxy Statement relating to the Annual Meeting of Stockholders are incorporated by reference into Part III of this Annual Report on Form 10-K where indicated. Such Definitive Proxy Statement will be filed with the Securities and Exchange Commission within 120 days after the end of the registrant’s fiscal year ended March 31, 2022.
Entity Central Index Key	0001448056
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	FY
Amendment Flag	false