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v3.20.1

Subsequent Events (Details) $ in Millions |  | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
May 01, 2020 USD ($) | Apr. 30, 2020 USD ($) property | Jan. 31, 2020 USD ($) | Mar. 31, 2020 USD ($) property | Mar. 31, 2019 USD ($) property | Dec. 31, 2019 USD ($) property
Medical office |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Number of assets to be sold | property |  |  |  |  |  | 10
Life science |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Number of assets to be sold | property |  |  |  |  | 1 | 1
SHOP |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Number of assets to be sold | property |  |  |  | 7 | 9 | 18
SHOP | Subsequent Event |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Number of assets to be sold | property |  | 1 |  |  |  |
Massachusetts | Life science |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Deposit, nonrefundable |  |  | $ 20 |  |  |
Massachusetts | Life science | Subsequent Event |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Payments to acquire real estate |  | $ 320 |  |  |  |
San Diego | Medical office | Subsequent Event |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Number of assets to be sold | property |  | 3 |  |  |  |
Proceeds from nonrefundable deposit | $ 5 |  |  |  |  |
Medical office |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Proceeds from sale of buildings |  |  |  |  |  | $ 23
Medical office | San Diego | Subsequent Event |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Proceeds from sale of buildings |  | $ 106 |  |  |  |
SHOP |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Proceeds from sale of buildings |  |  |  | $ 36 | $ 68 | $ 181
SHOP | Subsequent Event |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Proceeds from sale of buildings |  | $ 12 |  |  |  |

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- Definition Deposit, Nonrefundable + References No definition available. + Details
Name: | hcp_DepositNonrefundable
Namespace Prefix: | hcp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Number Of Properties To Be Sold + 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 Proceeds From Nonrefundable Deposit + References No definition available. + Details
Name: | hcp_ProceedsFromNonrefundableDeposit
Namespace Prefix: | hcp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition The cash outflow from the acquisition of a piece of land, anything permanently fixed to it, including buildings, structures on it and so forth; includes real estate intended to generate income for the owner; excludes real estate acquired for use by the owner. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition The cash inflow from sale of buildings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |