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Real Estate - Summary of Acquisition (Detail) ft² in Thousands, $ in Thousands | 3 Months Ended
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Mar. 31, 2021 USD ($) ft² a Property | Mar. 31, 2020 USD ($) ft² a Property
Business Acquisition [Line Items] |  |
Number of operating properties | Property | 1 | 137
Square feet | ft² | 25 | 20,256
Acquisition cost of net investments in real estate | $ | $ 229,050 | $ 2,393,767
Acquisitions of Properties from Third Parties [Member] | Land [Member] |  |
Business Acquisition [Line Items] |  |
Acres of land | a | 261 | 267

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- Definition Area of real estate properties. + References No definition available. + Details
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Namespace Prefix: | pld_
Data Type: | num:areaItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of real estate properties purchased. + References No definition available. + Details
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Namespace Prefix: | pld_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition Real estate acquisition cost acquired during period. + References No definition available. + Details
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Namespace Prefix: | pld_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Definition Square footage of real estate property operating properties purchased. + References No definition available. + Details
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Namespace Prefix: | pld_
Data Type: | num:areaItemType
Balance Type: | na
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 No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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