Debt instrument maturity month and year.

No definition available.

Name:	pld_DebtInstrumentMaturityMonthAndYear
Namespace Prefix:	pld_
Data Type:	xbrli:gYearMonthItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- 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

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_LongtermDebtTypeAxis=pld_FebruaryTwoThousandThirtyTwoSeniorNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CurrencyAxis=currency_EUR
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_WeightedAverageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=pld_FebruaryTwoThousandFortyOneSeniorNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=pld_MarchTwoThousandAndThirtyOneSeniorNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CurrencyAxis=currency_USD
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=pld_JuneTwoThousandTwentyEightSeniorNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CurrencyAxis=currency_JPY
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=pld_JuneTwoThousandSixtyOneSeniorNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=pld_FebruaryTwoThousandAndTwentyFourSeniorNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=pld_NovemberTwoThousandAndTwentyFiveSeniorNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Debt - Summary of Issuances and Redemptions of Senior Notes (Detail) € in Thousands, ¥ in Thousands, $ in Thousands	6 Months Ended
	Jun. 30, 2021 USD ($)	Jun. 30, 2021 JPY (¥)	Jun. 30, 2021 EUR (€)
February 2032 Senior Notes [Member] \| EUR
Debt Instrument [Line Items]
Debt Instrument maturity month	2032-02
February 2032 Senior Notes [Member] \| EUR \| Weighted Average [Member]
Debt Instrument [Line Items]
Term	14 years 3 months 19 days
Aggregate Principal	$ 1,639,305		€ 1,350,000
Interest Rate	0.70%	0.70%	0.70%
February Two Thousand Forty One Senior Notes \| EUR
Debt Instrument [Line Items]
Debt Instrument maturity month	2041-02
March Two Thousand And Thirty One Senior Notes \| USD
Debt Instrument [Line Items]
Debt Instrument maturity month	2031-03
March Two Thousand And Thirty One Senior Notes \| USD \| Weighted Average [Member]
Debt Instrument [Line Items]
Term	10 years 1 month 6 days
Aggregate Principal	$ 400,000
Interest Rate	1.60%	1.60%	1.60%
June 2028 Senior Notes [Member] \| JPY
Debt Instrument [Line Items]
Debt Instrument maturity month	2028-06
June 2028 Senior Notes [Member] \| JPY \| Weighted Average [Member]
Debt Instrument [Line Items]
Term	15 years 4 months 24 days
Aggregate Principal	$ 587,441	¥ 65,000,000
Interest Rate	0.80%	0.80%	0.80%
June 2061 Senior Notes [Member] \| JPY
Debt Instrument [Line Items]
Debt Instrument maturity month	2061-02
February 2024 Senior Notes [Member] \| EUR
Debt Instrument [Line Items]
Debt Instrument maturity month	2024-02
February 2024 Senior Notes [Member] \| EUR \| Weighted Average [Member]
Debt Instrument [Line Items]
Term	3 years
Aggregate Principal	$ 715,700		€ 599,514
Interest Rate	3.40%	3.40%	3.40%
November 2025 Senior Notes [Member] \| USD
Debt Instrument [Line Items]
Debt Instrument maturity month	2025-11
November 2025 Senior Notes [Member] \| USD \| Weighted Average [Member]
Debt Instrument [Line Items]
Term	4 years 8 months 12 days
Aggregate Principal	$ 750,000
Interest Rate	3.80%	3.80%	3.80%