Cover - USD ($)	12 Months Ended
	Dec. 31, 2020	Jun. 30, 2020
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2020
Current Fiscal Year End Date	--12-31
Document Transition Report	false
Entity File Number	001-35727
Entity Registrant Name	Netflix, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	77-0467272
Entity Address, Address Line One	100 Winchester Circle,
Entity Address, City or Town	Los Gatos
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	95032
City Area Code	408
Local Phone Number	540-3700
Title of 12(b) Security	Common stock, par value $0.001 per share
Trading Symbol	NFLX
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		$ 196,932,116,552
Entity Common Stock, Shares Outstanding	442,895,261
Documents Incorporated by Reference	Parts of the registrant’s Proxy Statement for the registrant’s 2021 Annual Meeting of Stockholders are incorporated by reference into Part III of this Annual Report on Form 10-K.
Entity Central Index Key	0001065280
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	FY
Amendment Flag	false