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v3.23.3

Noncontrolling Interests (Details) - Noncontrolling Interests | Sep. 30, 2023 shares
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Noncontrolling Interest [Line Items] |
Convertible partnership units (in shares) | 499,966
Partnership units conversion ratio | 1

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- Definition Convertible Partnership Units. + References No definition available. + Details
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Namespace Prefix: | psa_
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Balance Type: | na
Period Type: | instant

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- Definition Partnership Units Conversion Ratio to Common Shares + References No definition available. + Details
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Balance Type: | na
Period Type: | instant

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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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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: |