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Financial Instruments and Fair Value Measurements - Summary of Unrealized Gains (Losses) in Foreign Currency, Derivative and Other Gains (Losses) and Other Income (Expense), Net on Remeasurement of Unhedged Portion of Foreign Denominated Debt and Accrued Interest (Detail) - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2026 | Mar. 31, 2025
Derivative Instruments and Hedging Activities Disclosure [Abstract] |  |
Unrealized gains (losses) on the unhedged portion | $ (5) | $ (22)

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- Definition Unrealized gains losses on unhedged portion of foreign currency debt. + References No definition available. + Details
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Namespace Prefix: | pld_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration