Document and Entity Information - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2020	Jul. 22, 2020	Dec. 31, 2019
Document And Entity Information [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2020
Document Transition Report	false
Entity File Number	000-22513
Entity Registrant Name	AMAZON.COM, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	91-1646860
Entity Address, Address Line One	410 Terry Avenue North
Entity Address, City or Town	Seattle,
Entity Address, State or Province	WA
Entity Address, Postal Zip Code	98109-5210
City Area Code	206
Local Phone Number	266-1000
Title of 12(b) Security	Common Stock, par value $.01 per share
Trading Symbol	AMZN
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		500,889,651
Amendment Flag	false
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q2
Current Fiscal Year End Date	--12-31
Entity Central Index Key	0001018724
Lessee, Operating Lease, Liability, to be Paid	$ 36,048		$ 31,963