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Lease Amendments and Terminations and RIDEA Joint Ventures - Continuing Care (Details) (USD $) | 12 Months Ended | 1 Months Ended |
--- | --- | --- | ---
Dec. 31, 2012 | Dec. 31, 2014 | Sep. 30, 2014 | Aug. 29, 2014
Lease Amendments And Terminations And Joint Venture Formations [Line Items] |  |  |  |
Joint Venture Ownership Percentage |  | 49.00%hcp_JointVentureOwnershipPercentage |  |
Joint Venture Disclosures [Abstract] |  |  |  |
Number of properties contributed to joint venture |  | 48 hcp_NumberOfPropertiesContributedToJointVenture |  |
Cash paid | $ 1,701,410,000 us-gaap_PaymentsToAcquireRealEstateAndRealEstateJointVentures |  |  |
Brookdale Senior Living |  |  |  |
Lease Amendments And Terminations And Joint Venture Formations [Line Items] |  |  |  |
Joint Venture Ownership Percentage |  | 20.00%hcp_JointVentureOwnershipPercentage / us-gaap_CounterpartyNameAxis = hcp_BrookdaleMember |  |
Brookdale Senior Living | RIDEA JV |  |  |  |
Lease Amendments And Terminations And Joint Venture Formations [Line Items] |  |  |  |
Investment in strategic joint venture |  |  |  | 47,000,000 hcp_JointVentureInvestments / us-gaap_CounterpartyNameAxis = hcp_BrookdaleMember / us-gaap_TypeOfArrangementAxis = hcp_RIDEAJVMember
CCRC JV |  |  |  |
Lease Amendments And Terminations And Joint Venture Formations [Line Items] |  |  |  |
Number of retirement communities |  |  |  | 14 hcp_NumberOfRetirementCommunities / dei_LegalEntityAxis = hcp_CCRCJVMember
Joint Venture Disclosures [Abstract] |  |  |  |
Number of retirement communities contributed to joint venture |  |  |  | 2 hcp_NumberOfRetirementCommunitiesContributedToJointVenture / dei_LegalEntityAxis = hcp_CCRCJVMember
Fair value of retirement communities or properties contributed |  |  |  | 162,000,000 hcp_RetirementCommunitiesOrPropertiesContributedToJointVentureFairValueDisclosure / dei_LegalEntityAxis = hcp_CCRCJVMember
Debt related to retirement communities or properties contributed |  |  |  | 569,000,000 hcp_DebtRelatedToRetirementCommunitiesOrPropertiesContributedToJointVenture / dei_LegalEntityAxis = hcp_CCRCJVMember
Carrying value of properties contributed |  |  |  | 92,000,000 hcp_CarryingValueOfPropertiesContributedToJointVenture / dei_LegalEntityAxis = hcp_CCRCJVMember
Cash paid |  | $ 370,000,000 us-gaap_PaymentsToAcquireRealEstateAndRealEstateJointVentures / dei_LegalEntityAxis = hcp_CCRCJVMember | $ 370,000,000 us-gaap_PaymentsToAcquireRealEstateAndRealEstateJointVentures / dei_LegalEntityAxis = hcp_CCRCJVMember |
CCRC JV | Brookdale Senior Living |  |  |  |
Lease Amendments And Terminations And Joint Venture Formations [Line Items] |  |  |  |
Joint Venture Ownership Percentage |  | 51.00%hcp_JointVentureOwnershipPercentage / us-gaap_CounterpartyNameAxis = hcp_BrookdaleMember / dei_LegalEntityAxis = hcp_CCRCJVMember |  |
Joint Venture Disclosures [Abstract] |  |  |  |
Number of retirement communities contributed to joint venture |  |  |  | 8 hcp_NumberOfRetirementCommunitiesContributedToJointVenture / us-gaap_CounterpartyNameAxis = hcp_BrookdaleMember / dei_LegalEntityAxis = hcp_CCRCJVMember
Number of properties contributed to joint venture |  |  |  | 3 hcp_NumberOfPropertiesContributedToJointVenture / us-gaap_CounterpartyNameAxis = hcp_BrookdaleMember / dei_LegalEntityAxis = hcp_CCRCJVMember
Number of properties intended to be acquired in future |  |  |  | 4 hcp_NumberOfPropertiesIntendedToBeAcquiredByJointVentureInFuture / us-gaap_CounterpartyNameAxis = hcp_BrookdaleMember / dei_LegalEntityAxis = hcp_CCRCJVMember
CCRC JV | CCRCJV Prop Co | Brookdale Senior Living |  |  |  |
Lease Amendments And Terminations And Joint Venture Formations [Line Items] |  |  |  |
Number of properties to be leased |  | 8 hcp_NumberOfPropertiesToBeLeased / us-gaap_CounterpartyNameAxis = hcp_BrookdaleMember / dei_LegalEntityAxis = hcp_CCRCJVMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = hcp_CcrcjvPropCoMember |  |
CCRC JV | CCRCJV Op Co | Brookdale Senior Living |  |  |  |
Lease Amendments And Terminations And Joint Venture Formations [Line Items] |  |  |  |
Number of properties to be owned directly |  | 6 hcp_NumberOfPropertiesToBeOwnedDirectly / us-gaap_CounterpartyNameAxis = hcp_BrookdaleMember / dei_LegalEntityAxis = hcp_CCRCJVMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = hcp_CcrcjvOpCoMember |  |

X
- Definition Carrying value of properties contributed to joint venture. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Definition Debt related to retirement communities or properties contributed to joint venture. + References No definition available. + Details
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- Details
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- Definition Represents the ownership percentage in joint venture. + References No definition available. + Details
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- Definition Number of properties contributed to joint venture. + References No definition available. + Details
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- Definition Number of properties intended to be acquired in future + References No definition available. + Details
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- Definition Number of Properties to be leased. + References No definition available. + Details
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- Definition Number of properties to be owned directly. + References No definition available. + Details
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- Definition The number of continuing care retirement communities. + References No definition available. + Details
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- Definition Number of retirement communities contributed to joint venture. + References No definition available. + Details
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- Definition Fair value of retirement communities or properties contributed to joint venture. + References No definition available. + Details
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- Definition The cash outflow associated with the purchase of real estate held-for-investment and real estate joint ventures. + References No definition available. + Details
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- Details
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