Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2020	Nov. 12, 2020
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2020
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q3
Entity Registrant Name	Blackstone Real Estate Income Trust, Inc.
Entity Central Index Key	0001662972
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Entity Current Reporting Status	Yes
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity File Number	000-55931
Entity Tax Identification Number	81-0696966
Entity Address, Address Line One	345 Park Avenue
Entity Address, City or Town	New York
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	10154
City Area Code	212
Local Phone Number	583-5000
Document Quarterly Report	true
Document Transition Report	false
Entity Incorporation, State or Country Code	MD
Entity Interactive Data Current	Yes
Class S Shares [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		686,427,047
Class I Shares [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		892,193,666
Class D Shares [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		119,127,868
Class T Shares [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		46,094,888