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Real Estate Transactions - Impairments of Real Estate (Details) $ in Millions | 3 Months Ended
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Jun. 30, 2018 USD ($) property
Real Estate [Line Items] |
Number of properties classified as held for sale | property | 13
SHOP |
Real Estate [Line Items] |
Number of properties classified as held for sale during period | property | 2
Impairments of real estate recognized during period | $ | $ 6
Life science |
Real Estate [Line Items] |
Impairments of real estate recognized during period | $ | $ 8

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- Definition The number of properties held for sale at the reporting date. + References No definition available. + Details
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Namespace Prefix: | hcp_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition Real Estate, Properties Classified As Held For Sale During Period + References No definition available. + Details
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Namespace Prefix: | hcp_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition The charge against earnings in the period to reduce the carrying amount of real property to fair value. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230 + Details
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Balance Type: | debit
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- 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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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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Balance Type: |
Period Type: |