Area of a real estate property.

No definition available.

Name:	us-gaap_AreaOfRealEstateProperty
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Balance Type:	na
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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+ Details

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

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
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-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
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

No definition available.

+ Details

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

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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

- Definition

Debt Instrument, Covenant, Period to Achieve Certain Conditions to Decrease Interest Rate

+ References

No definition available.

+ Details

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

- Definition

Debt Instrument, Face Amount, Swapped To Fixed Interest Rate

+ References

No definition available.

+ Details

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

- Definition

The term of the extension available, in years

+ References

No definition available.

+ Details

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

- Definition

Line Of Credit Facility, Accordion Feature, Increase Limit

+ References

No definition available.

+ Details

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

- Definition

Number of Extensions

+ References

No definition available.

+ Details

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

- Details

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- Details

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- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
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- Details

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Namespace Prefix:
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Balance Type:
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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=vno_MaturesInJune2027Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=srt_OfficeBuildingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=srt_RetailSiteMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=vno_SecuredOvernightFinancingRateAfterMarch2024Member
Namespace Prefix:
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Balance Type:
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- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

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Period Type:

- Details

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- Details

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Debt (Narrative) (Details) ft² in Thousands	Jun. 30, 2022 USD ($)	Jun. 28, 2022 USD ($) ft² extension	Jun. 27, 2022 USD ($)	Jun. 15, 2022 USD ($) ft² extension	Jun. 14, 2022 USD ($)	Jul. 22, 2022 USD ($)
Matures in April 2024
Debt Instrument
Debt instrument, amount					$ 580,000,000
Matures in April 2024 \| LIBOR
Debt Instrument
Basis spread on variable rate (percent)					1.55%
Maturing in December 2027 \| Unsecured Term Loan
Debt Instrument
Debt instrument, amount	$ 800,000,000
Interest rate, effective percentage	2.83%
Debt instrument, interest rate, stated percentage (percent)	4.05%
Debt instrument, face amount, swapped to fixed interest rate	$ 750,000,000
Maturing in December 2027 \| Revolving Credit Facility
Debt Instrument
Interest rate, effective percentage	2.68%
Maximum borrowing capacity	$ 1,250,000,000
Facility fee (percent)	0.25%
Maturing in December 2027 \| Secured Overnight Financing Rate (SOFR) \| Unsecured Term Loan
Debt Instrument
Basis spread on variable rate (percent)	1.30%
Maturing in December 2027 \| Secured Overnight Financing Rate (SOFR) \| Revolving Credit Facility
Debt Instrument
Basis spread on variable rate (percent)	1.15%
Maturing in April 2026 \| Revolving Credit Facility
Debt Instrument
Maximum borrowing capacity	$ 1,250,000,000
Facility fee (percent)	0.25%
Maturing in April 2026 \| Secured Overnight Financing Rate (SOFR) \| Revolving Credit Facility
Debt Instrument
Basis spread on variable rate (percent)	1.19%
100 West 33rd Street \| Matures in June 2027
Debt Instrument
Debt instrument, amount				$ 480,000,000
Square footage of real estate property (in sqft) \| ft²				1,100
Number of extensions \| extension				2
Length of extension available (years)				1 year
100 West 33rd Street \| Matures in June 2027 \| Office
Debt Instrument
Square footage of real estate property (in sqft) \| ft²				859
100 West 33rd Street \| Matures in June 2027 \| Retail
Debt Instrument
Square footage of real estate property (in sqft) \| ft²				255
100 West 33rd Street \| Matures in June 2027 \| Secured Overnight Financing Rate (SOFR)
Debt Instrument
Basis spread on variable rate (percent)				1.65%
100 West 33rd Street \| Matures in June 2027 \| Secured Overnight Financing Rate through March 2024
Debt Instrument
Interest rate, effective percentage	3.09%
100 West 33rd Street \| Matures in June 2027 \| Secured Overnight Financing Rate After March 2024
Debt Instrument
Basis spread on variable rate (percent)				1.85%
770 Broadway \| Matures in July 2027
Debt Instrument
Debt instrument, amount		$ 700,000,000
Interest rate, effective percentage	3.75%
Number of extensions \| extension		3
Length of extension available (years)		1 year
Debt instrument, interest rate, stated percentage (percent)		5.11%
Period to achieve certain conditions to decrease interest rate		18 months
Accordion feature		$ 300,000,000
Debt instrument, face amount, swapped to fixed interest rate		$ 350,000,000
770 Broadway \| Matures in July 2027 \| Subsequent Event
Debt Instrument
Interest rate, effective percentage						4.98%
Debt instrument, interest rate, stated percentage (percent)						4.85%
Debt instrument, face amount, swapped to fixed interest rate						$ 350,000,000
770 Broadway \| Matures in July 2027 \| Office
Debt Instrument
Square footage of real estate property (in sqft) \| ft²		1,200
770 Broadway \| Matures in July 2027 \| Secured Overnight Financing Rate (SOFR)
Debt Instrument
Basis spread on variable rate (percent)		2.25%
770 Broadway \| Matures in July 2027 \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate after 18 Months
Debt Instrument
Basis spread on variable rate (percent)		1.75%
770 Broadway \| Matures in July 2022
Debt Instrument
Debt instrument, amount			$ 700,000,000
770 Broadway \| Matures in July 2022 \| Secured Overnight Financing Rate (SOFR)
Debt Instrument
Basis spread on variable rate (percent)			1.86%