Represents the net difference between the tax bases and the reported amounts of the assets and liabilities of an entity that is not subject to income taxes because its income is taxed directly to its owners.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 16
-URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32796-109319

+ Details

Name:	us-gaap_EntityNotSubjectToIncomeTaxesDifferenceInBasesAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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

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

- Definition

The portion of the valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from net operating loss carryforwards for which it is more likely than not that a tax benefit will not be realized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319

+ Details

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

- Definition

The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32559-109319

+ Details

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

- Definition

Amount of unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
-Paragraph 10B
-URI http://asc.fasb.org/extlink&oid=123427490&loc=SL37586934-109318

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15A
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121826272&loc=SL6600010-109319

+ Details

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

- Definition

Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32718-109319

+ Details

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

- Definition

The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121826272&loc=SL6600010-109319

+ Details

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

- Definition

Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319

+ Details

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

- Definition

Represents the increase or decrease in net deferred tax liability of the entity.

+ References

No definition available.

+ Details

Name:	vtr_IncreaseDecreaseInNetDeferredTaxLiability
Namespace Prefix:	vtr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represents the minimum percentage of estimated taxable income required to be distributed to shareholders for to maintain REIT status.

+ References

No definition available.

+ Details

Name:	vtr_MinimumPercentageOfTaxableIncomeToBeDistributedAsDividendToMaintainReitStatus
Namespace Prefix:	vtr_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the period immediately after which the assets were owned by a C corporation, subject to corporate level taxes for any asset dispositions.

+ References

No definition available.

+ Details

Name:	vtr_PeriodInWhichAssetsDispositionSubjectToBuiltInGainsTax
Namespace Prefix:	vtr_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_ValuationAllowanceByDeferredTaxAssetAxis=vtr_OperatingLossesAtCertainREITSubsidiariesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ValuationAllowanceByDeferredTaxAssetAxis=vtr_NetOperatingLossesMoreLikelyThanNotToBeRealizedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ValuationAllowanceByDeferredTaxAssetAxis=vtr_InternalRestructuringTaxableREITSubsidiariesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ValuationAllowanceByDeferredTaxAssetAxis=vtr_DeferredTaxLiabilitiesRevaluationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ValuationAllowanceByDeferredTaxAssetAxis=vtr_ReleaseOfResidualTaxEffectMarketableDebtSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ValuationAllowanceByDeferredTaxAssetAxis=vtr_ValuationAllowanceAgainstOtherDeferredTaxAssetsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

INCOME TAXES - Narrative (Details) - USD ($)	12 Months Ended
INCOME TAXES - Narrative (Details) - USD ($)	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Operating Loss Carryforwards [Line Items]
REIT distribution requirement (as a percent)	90.00%	90.00%	90.00%
Increase (decrease) in net deferred tax liability	$ 23,000,000	$ 4,500,000	$ 100,700,000
Period in which assets disposition subject to built in gains tax	5 years
Difference in bases for entity not subject to income taxes	$ 3,000,000,000	3,300,000,000
Unrecognized Tax Benefits	5,828,000	6,082,000	6,057,000
Unrecognized tax benefits that, if recognized, would reduce annual effective tax rate	5,000,000	5,300,000
Unrecognized tax benefits, income tax penalties and interest accrued	0
Operating Losses at Certain REIT Subsidiaries
Operating Loss Carryforwards [Line Items]
Deferred tax expense (benefit)	7,500,000
Increase (decrease) in net deferred tax liability	7,500,000
Net Operating Losses More Likely Than Not To Be Realized
Operating Loss Carryforwards [Line Items]
Deferred tax expense (benefit)			95,900,000
Internal Restructuring, Taxable REIT Subsidiaries
Operating Loss Carryforwards [Line Items]
Deferred tax expense (benefit)	11,900,000	3,500,000
Increase (decrease) in net deferred tax liability	11,900,000	3,500,000
Deferred Tax Liabilities, Revaluation
Operating Loss Carryforwards [Line Items]
Deferred tax expense (benefit)		3,300,000
Increase (decrease) in net deferred tax liability		3,300,000
Release Of Residual Tax Effect, Marketable Debt Securities
Operating Loss Carryforwards [Line Items]
Deferred tax expense (benefit)		3,700,000
Increase (decrease) in net deferred tax liability		3,700,000
Valuation Allowance Against Other Deferred Tax Assets
Operating Loss Carryforwards [Line Items]
Increase (decrease) in net deferred tax liability			54,400,000
Taxable Reit Subsidiaries
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards, valuation allowance	171,000,000	140,600,000	83,200,000
REIT
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards, valuation allowance	1,100,000,000	$ 1,100,000,000	$ 896,400,000
Tax credit carryforward	$ 10,800,000