Amount of outstanding long-term debt or borrowing associated with any securities or credit agreement for which there has been a default in principal, interest, sinking fund, or redemption provisions, or any breach of covenant that existed at the end of the period and subsequently has not been cured.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(c))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1

+ Details

Name:	us-gaap_DebtDefaultLongtermDebtAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481687/323-10-50-3

+ Details

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

+ Details

Name:	us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

+ Details

Name:	us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Equity Commitment Fund Term, in years

+ References

No definition available.

+ Details

Name:	vno_EquityCommitmentFundTerm
Namespace Prefix:	vno_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of excess fair value of investments over it's cost.

+ References

No definition available.

+ Details

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

- Definition

Investment Period Fund

+ References

No definition available.

+ Details

Name:	vno_InvestmentPeriodFund
Namespace Prefix:	vno_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Investments Holding

+ References

No definition available.

+ Details

Name:	vno_InvestmentsHoldingLineItems
Namespace Prefix:	vno_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Number Of Investments Held By Fund during the year.

+ References

No definition available.

+ Details

Name:	vno_NumberOfInvestmentsHeldByFund
Namespace Prefix:	vno_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

This element represents the real estate assets related to the fund

+ References

No definition available.

+ Details

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

- Definition

Unfunded Commitments Of the Fund

+ References

No definition available.

+ Details

Name:	vno_UnfundedCommitmentsOfFund
Namespace Prefix:	vno_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_InvestmentTypeAxis=us-gaap_RealEstateFundsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=vno_VornadoRealtyTrustMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=vno_VornadoCapitalPartnersRealEstateFundMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=vno_CrownePlazaTimesSquareHotelJointVentureMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=us-gaap_CorporateJointVentureMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=vno_CrownePlazaTimeSquareHotelMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Real Estate Fund Investments (Narrative) (Details)	9 Months Ended
Real Estate Fund Investments (Narrative) (Details)	Sep. 30, 2023 USD ($) investment	Sep. 28, 2023	Jun. 30, 2020 USD ($)
Real Estate Investments
Investment Holdings
Number of investments held by fund (investment) \| investment	1
Aggregate fair value of real estate fund investments	$ 0
Real estate fund investments below cost	28,815,000
Unfunded commitments of fund	23,074,000
Vornado Realty Trust \| Real Estate Investments
Investment Holdings
Unfunded commitments of fund	$ 5,769,000
Vornado Capital Partners Real Estate Fund
Investment Holdings
Equity method ownership percentage	25.00%
Term of the fund	8 years
Investment period for commitments of the Fund	3 years
Crowne Plaza Times Square Hotel Joint Venture
Investment Holdings
Default amount			$ 274,355,000
Crowne Plaza Times Square Hotel Joint Venture \| Joint Venture
Investment Holdings
Equity method ownership percentage		57.10%
Crowne Plaza Times Square Hotel Joint Venture \| Joint Venture \| Crowne Plaza Time Square Hotel
Investment Holdings
Ownership percentage by noncontrolling owners		24.30%
Noncontrolling interest, ownership percentage by parent		32.80%