Segment Reporting - Schedule of Financial Results by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Revenues:
Total revenues	$ 1,998,381	$ 2,158,547	$ 4,053,553	$ 4,347,461
Expenses:
Total expenses	926,793	1,004,680	1,879,882	2,010,051
(Loss) Income from unconsolidated entities	26,991	(37,998)	(738,024)	(62,356)
Income from investments in real estate debt	133,654	157,075	266,532	425,268
Change in net assets of consolidated securitization vehicles	38,207	41,013	70,392	116,426
Income from investments in equity securities		4,509		61,482
GAAP segment income (loss)	1,270,440	1,318,466	1,772,571	2,878,230
Depreciation and amortization	(808,651)	(889,334)	(1,635,750)	(1,802,542)
General and administrative	(16,886)	(17,950)	(33,000)	(34,300)
Management fee	(166,892)	(180,655)	(335,317)	(367,776)
Performance participation allocation	(88,824)	104,966	(230,999)	0
Impairment of investments in real estate	(171,113)	(118,044)	(341,371)	(183,758)
(Loss) income from interest rate derivatives	(236,097)	(52,637)	(598,759)	262,562
Net gain on dispositions of real estate	464,394	175,890	600,303	282,444
Interest expense, net	(777,766)	(857,855)	(1,543,562)	(1,689,570)
Loss on extinguishment of debt	(25,360)	(21,404)	(36,874)	(52,052)
Other expense	(12,228)	(43,450)	(26,009)	(45,315)
Net loss	(568,983)	(582,007)	(2,408,767)	(752,077)
Net loss attributable to non-controlling interests in third party joint ventures	40,124	37,386	60,252	69,059
Net loss attributable to non-controlling interests in BREIT OP	40,381	26,122	163,400	31,506
Net loss attributable to BREIT stockholders	(488,478)	(518,499)	(2,185,115)	(651,512)
Net realized and unrealized gain (loss) on equity securities		3,800		58,800
Rental Housing
Revenues:
Total revenues	1,252,466	1,361,755	2,552,324	2,759,342
Expenses:
Total expenses	670,569	732,169	1,361,862	1,473,115
(Loss) Income from unconsolidated entities	(5,416)	(5,513)	(27,443)	(14,124)
Income from investments in real estate debt	0	0	0	0
Change in net assets of consolidated securitization vehicles	0	0	0	0
Income from investments in equity securities		4,509		61,482
GAAP segment income (loss)	576,481	628,582	1,163,019	1,333,585
Depreciation and amortization	(520,797)	(570,934)	(1,054,756)	(1,157,124)
Industrial
Revenues:
Total revenues	325,600	361,832	666,308	732,720
Expenses:
Total expenses	109,291	119,108	229,726	241,602
(Loss) Income from unconsolidated entities	126,185	(30,452)	212,926	(53,276)
Income from investments in real estate debt	0	0	0	0
Change in net assets of consolidated securitization vehicles	0	0	0	0
Income from investments in equity securities		0		0
GAAP segment income (loss)	342,494	212,272	649,508	437,842
Depreciation and amortization	(162,066)	(183,749)	(328,192)	(371,767)
Net Lease
Revenues:
Total revenues	150,385	150,384	300,769	300,769
Expenses:
Total expenses	655	660	1,343	1,326
(Loss) Income from unconsolidated entities	(106)	0	(397)	0
Income from investments in real estate debt	0	0	0	0
Change in net assets of consolidated securitization vehicles	0	0	0	0
Income from investments in equity securities		0		0
GAAP segment income (loss)	149,624	149,724	299,029	299,443
Depreciation and amortization	(49,556)	(51,878)	(99,111)	(103,756)
Office
Revenues:
Total revenues	45,304	45,431	89,838	90,979
Expenses:
Total expenses	16,797	15,643	31,960	30,205
(Loss) Income from unconsolidated entities	5,649	7,743	7,890	13,588
Income from investments in real estate debt	0	0	0	0
Change in net assets of consolidated securitization vehicles	0	0	0	0
Income from investments in equity securities		0		0
GAAP segment income (loss)	34,156	37,531	65,768	74,362
Depreciation and amortization	(21,696)	(23,060)	(42,941)	(47,748)
Hospitality
Revenues:
Total revenues	139,391	150,129	273,574	283,306
Expenses:
Total expenses	97,968	101,969	192,107	193,884
(Loss) Income from unconsolidated entities	(2,278)	(800)	(5,066)	(5,105)
Income from investments in real estate debt	0	0	0	0
Change in net assets of consolidated securitization vehicles	0	0	0	0
Income from investments in equity securities		0		0
GAAP segment income (loss)	39,145	47,360	76,401	84,317
Depreciation and amortization	(22,989)	(22,990)	(45,953)	(45,666)
Retail
Revenues:
Total revenues	52,496	56,685	105,480	115,772
Expenses:
Total expenses	19,682	23,533	40,023	47,601
(Loss) Income from unconsolidated entities	(1,133)	(580)	(2,554)	(1,728)
Income from investments in real estate debt	0	0	0	0
Change in net assets of consolidated securitization vehicles	0	0	0	0
Income from investments in equity securities		0		0
GAAP segment income (loss)	31,681	32,572	62,903	66,443
Depreciation and amortization	(19,259)	(24,529)	(40,299)	(52,138)
Data Centers
Revenues:
Total revenues	13,523	13,356	27,266	26,436
Expenses:
Total expenses	2,993	2,594	6,077	5,003
(Loss) Income from unconsolidated entities	(95,910)	(8,396)	(923,380)	(1,711)
Income from investments in real estate debt	0	0	0	0
Change in net assets of consolidated securitization vehicles	0	0	0	0
Income from investments in equity securities		0		0
GAAP segment income (loss)	(85,380)	2,366	(902,191)	19,722
Depreciation and amortization	(5,546)	(5,541)	(11,092)	(11,082)
Self Storage
Revenues:
Total revenues	19,216	18,975	37,994	38,137
Expenses:
Total expenses	8,838	9,004	16,784	17,315
(Loss) Income from unconsolidated entities	0	0	0	0
Income from investments in real estate debt	0	0	0	0
Change in net assets of consolidated securitization vehicles	0	0	0	0
Income from investments in equity securities		0		0
GAAP segment income (loss)	10,378	9,971	21,210	20,822
Depreciation and amortization	(6,742)	(6,653)	(13,406)	(13,261)
Investments in Real Estate Debt
Revenues:
Total revenues	0	0	0	0
Expenses:
Total expenses	0	0	0	0
(Loss) Income from unconsolidated entities	0	0	0	0
Income from investments in real estate debt	133,654	157,075	266,532	425,268
Change in net assets of consolidated securitization vehicles	38,207	41,013	70,392	116,426
Income from investments in equity securities		0		0
GAAP segment income (loss)	171,861	198,088	336,924	541,694
Depreciation and amortization	0	0	0	0
Rental revenue
Revenues:
Total revenues	1,770,660	1,912,544	3,603,049	3,875,609
Expenses:
Total expenses	828,825	902,711	1,687,775	1,816,167
Rental revenue | Rental Housing
Revenues:
Total revenues	1,170,522	1,276,380	2,392,227	2,590,537
Expenses:
Total expenses	670,569	732,169	1,361,862	1,473,115
Rental revenue | Industrial
Revenues:
Total revenues	323,289	356,620	658,146	723,678
Expenses:
Total expenses	109,291	119,108	229,726	241,602
Rental revenue | Net Lease
Revenues:
Total revenues	150,385	150,384	300,769	300,769
Expenses:
Total expenses	655	660	1,343	1,326
Rental revenue | Office
Revenues:
Total revenues	43,379	42,733	85,936	85,842
Expenses:
Total expenses	16,797	15,643	31,960	30,205
Rental revenue | Hospitality
Revenues:
Total revenues	0	0	0	0
Expenses:
Total expenses	0	0	0	0
Rental revenue | Retail
Revenues:
Total revenues	51,589	55,491	103,349	113,082
Expenses:
Total expenses	19,682	23,533	40,023	47,601
Rental revenue | Data Centers
Revenues:
Total revenues	13,504	13,356	27,247	26,436
Expenses:
Total expenses	2,993	2,594	6,077	5,003
Rental revenue | Self Storage
Revenues:
Total revenues	17,992	17,580	35,375	35,265
Expenses:
Total expenses	8,838	9,004	16,784	17,315
Rental revenue | Investments in Real Estate Debt
Revenues:
Total revenues	0	0	0	0
Expenses:
Total expenses	0	0	0	0
Hospitality
Revenues:
Total revenues	139,199	150,129	273,315	283,306
Expenses:
Total expenses	97,968	101,969	192,107	193,884
Hospitality | Rental Housing
Revenues:
Total revenues	0	0	0	0
Expenses:
Total expenses	0	0	0	0
Hospitality | Industrial
Revenues:
Total revenues	0	0	0	0
Expenses:
Total expenses	0	0	0	0
Hospitality | Net Lease
Revenues:
Total revenues	0	0	0	0
Expenses:
Total expenses	0	0	0	0
Hospitality | Office
Revenues:
Total revenues	0	0	0	0
Expenses:
Total expenses	0	0	0	0
Hospitality | Hospitality
Revenues:
Total revenues	139,199	150,129	273,315	283,306
Expenses:
Total expenses	97,968	101,969	192,107	193,884
Hospitality | Retail
Revenues:
Total revenues	0	0	0	0
Expenses:
Total expenses	0	0	0	0
Hospitality | Data Centers
Revenues:
Total revenues	0	0	0	0
Expenses:
Total expenses	0	0	0	0
Hospitality | Self Storage
Revenues:
Total revenues	0	0	0	0
Expenses:
Total expenses	0	0	0	0
Hospitality | Investments in Real Estate Debt
Revenues:
Total revenues	0	0	0	0
Expenses:
Total expenses	0	0	0	0
Other revenue
Revenues:
Total revenues	88,522	95,874	177,189	188,546
Other revenue | Rental Housing
Revenues:
Total revenues	81,944	85,375	160,097	168,805
Other revenue | Industrial
Revenues:
Total revenues	2,311	5,212	8,162	9,042
Other revenue | Net Lease
Revenues:
Total revenues	0	0	0	0
Other revenue | Office
Revenues:
Total revenues	1,925	2,698	3,902	5,137
Other revenue | Hospitality
Revenues:
Total revenues	192	0	259	0
Other revenue | Retail
Revenues:
Total revenues	907	1,194	2,131	2,690
Other revenue | Data Centers
Revenues:
Total revenues	19	0	19	0
Other revenue | Self Storage
Revenues:
Total revenues	1,224	1,395	2,619	2,872
Other revenue | Investments in Real Estate Debt
Revenues:
Total revenues	$ 0	$ 0	$ 0	$ 0