Area of a real estate property.

No definition available.

Name:	us-gaap_AreaOfRealEstateProperty
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:areaItemType
Balance Type:	na
Period Type:	instant

- Definition

Term of lessor's sales-type lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479773/842-30-50-3

+ Details

Name:	us-gaap_LessorSalesTypeLeaseTermOfContract1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 976
-SubTopic 310
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477332/976-310-50-1

+ Details

Name:	us-gaap_RealEstateLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of cash outflow for short-term and long-term debt. Excludes payment of lease obligation.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 15
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-15

+ Details

Name:	us-gaap_RepaymentsOfDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount, after allowance for credit loss, of net investment in sales-type lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-SubTopic 30
-Topic 842
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479016/842-30-45-1

+ Details

Name:	us-gaap_SalesTypeLeaseNetInvestmentInLeaseAfterAllowanceForCreditLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Present value expected to be derived from underlying asset following end of lease term not guaranteed by lessee or other third party unrelated to lessor.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479773/842-30-50-6

+ Details

Name:	us-gaap_SalesTypeLeaseUnguaranteedResidualAsset
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Lessor, Sales-Type Lease, Prepaid Lease Payments

+ References

No definition available.

+ Details

Name:	vno_LessorSalesTypeLeasePrepaidLeasePayments
Namespace Prefix:	vno_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Sales-Type Lease, Annual Lease Payments

+ References

No definition available.

+ Details

Name:	vno_SalesTypeLeaseAnnualLeasePayments
Namespace Prefix:	vno_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Sales-Type Lease, Derecognized Assets

+ References

No definition available.

+ Details

Name:	vno_SalesTypeLeaseDerecognizedAssets
Namespace Prefix:	vno_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Sales-Type Lease, Gain (Loss)

+ References

No definition available.

+ Details

Name:	vno_SalesTypeLeaseGainLoss
Namespace Prefix:	vno_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=vno_A770BroadwayMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=vno_NewYorkUniversityNYUMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=vno_VornadoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=vno_MortageLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

770 Broadway (Narrative) (Details) ft² in Thousands, $ in Thousands		12 Months Ended
	May 05, 2025 USD ($) ft²	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Real Estate [Line Items]
Prepaid lease payment		$ (901,409)	$ 0	$ 0
Net investment in lease		166,024	0
Asset unguaranteed residual value		16,162
Gain on sales-type lease		$ 803,248	$ 0	$ 0
770 Broadway \| New York University (“NYU”)
Real Estate [Line Items]
Square footage of real estate property (in sqft) \| ft²	1,076
Lessor, sales-type lease, term of contract	70 years
Prepaid lease payment	$ 935,000
Annual lease payments	9,281
Net investment in lease	165,487
Asset unguaranteed residual value	15,308
Sales-type lease, derecognized assets	266,112
Gain on sales-type lease	$ 803,248
770 Broadway \| New York University (“NYU”) \| Vornado
Real Estate [Line Items]
Square footage of real estate property (in sqft) \| ft²	92
770 Broadway \| New York University (“NYU”) \| Mortage Loan
Real Estate [Line Items]
Repaid on loan	$ 700,000