v3.7.0.1

STOCKHOLDERS' EQUITY - Capital Stock (Details) shares in Millions, $ in Millions | 6 Months Ended
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Jun. 30, 2017 USD ($) shares
Equity [Abstract] |
Issuance of common staock, shares | shares | 1.1
Proceeds from issuance of common stock | $ 73.9
Equity offering program, remaining authorized offering amount | $ 155.6

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Equity Offering Program, Remaining Authorized Offering Amount + References No definition available. + Details
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Namespace Prefix: | vtr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Definition Stock Issued During Period, Shares, New Issues, Equity Offering Program + References No definition available. + Details
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Namespace Prefix: | vtr_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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- Definition Stock Issued During Period, Value, New Issues, Equity Offering Program + References No definition available. + Details
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Namespace Prefix: | vtr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration