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Impairments - Real Estate (Details) (USD $) | 0 Months Ended | 12 Months Ended
--- | --- | ---
Jan. 01, 2015 property | Dec. 31, 2012 | Dec. 31, 2014 | Dec. 31, 2013 item
Property impairments |  |  |  |
Number of properties disposed | 8 hcp_DispositionOfPropertiesSoldNumber |  |  |
Real estate impairment charges |  | $ 7,878,000 us-gaap_ImpairmentOfRealEstate |  |
Carrying value of aggregate investments |  |  | 10,972,973,000 us-gaap_InvestmentBuildingAndBuildingImprovements | 10,544,110,000 us-gaap_InvestmentBuildingAndBuildingImprovements
Total consideration for disposition of real estate | 51,000,000 hcp_TotalConsiderationForDispositionOfRealEstate |  |  |
Carrying value, land |  |  | 1,889,438,000 us-gaap_Land | 1,822,862,000 us-gaap_Land
Medical office |  |  |  |
Property impairments |  |  |  |
Number of properties disposed |  |  |  | 2 hcp_DispositionOfPropertiesSoldNumber / us-gaap_StatementBusinessSegmentsAxis = hcp_MedicalOfficeMember
Real estate impairment charges |  |  |  | 1,000,000 us-gaap_ImpairmentOfRealEstate / us-gaap_StatementBusinessSegmentsAxis = hcp_MedicalOfficeMember
Carrying value of aggregate investments |  |  |  | 7,000,000 us-gaap_InvestmentBuildingAndBuildingImprovements / us-gaap_StatementBusinessSegmentsAxis = hcp_MedicalOfficeMember
Total consideration for disposition of real estate |  |  | 145,000 hcp_TotalConsiderationForDispositionOfRealEstate / us-gaap_StatementBusinessSegmentsAxis = hcp_MedicalOfficeMember | 6,000,000 hcp_TotalConsiderationForDispositionOfRealEstate / us-gaap_StatementBusinessSegmentsAxis = hcp_MedicalOfficeMember
Life science |  |  |  |
Property impairments |  |  |  |
Real estate impairment charges |  | 8,000,000 us-gaap_ImpairmentOfRealEstate / us-gaap_StatementBusinessSegmentsAxis = hcp_LifescienceMember |  |
Total consideration for disposition of real estate |  | 18,000,000 hcp_TotalConsiderationForDispositionOfRealEstate / us-gaap_StatementBusinessSegmentsAxis = hcp_LifescienceMember |  |
Carrying value, land |  | $ 26,000,000 us-gaap_Land / us-gaap_StatementBusinessSegmentsAxis = hcp_LifescienceMember |  |

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- Definition Represents the number of properties sold during the period, not categorized as discontinued operations. + References No definition available. + Details
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Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition Total consideration, cash and noncash, received by seller for the sale of real estate. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2921-110230 + Details
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- Definition Aggregate of the carrying amounts as of the balance sheet date of investments in building and building improvements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(d)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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- Definition Amount before accumulated depletion of real estate held for productive use, excluding land held for sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 4 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6812-107765 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Details
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- Details
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- Details
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Period Type: |