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v3.23.3

Real Estate - Development Activities (Details) $ in Millions | 9 Months Ended
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Sep. 30, 2023 USD ($)
Real Estate [Line Items] |
Development and redevelopment projects, amount decrease | $ (128)
Development commitments | $ 124

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- Definition Commitments, Development and Redevelopment Projects and Tenant Improvements + References No definition available. + Details
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Namespace Prefix: | peak_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Commitments, Development and Redevelopment Projects, Increase (Decrease) + References No definition available. + Details
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Namespace Prefix: | peak_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 976 -SubTopic 310 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482856/976-310-50-1 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration