Debt Discount Percentage

No definition available.

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- Definition

Year when the debt instrument is scheduled to mature.

+ References

No definition available.

+ Details

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Namespace Prefix:	pld_
Data Type:	xbrli:gYearItemType
Balance Type:	na
Period Type:	duration

- Details

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- Definition

Increased line of credit facility maximum borrowing capacity.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-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=6877327&loc=d3e13212-122682

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 470

-Section 50

-Paragraph 3

-Subparagraph e

-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

+ Details

Name:	us-gaap_DebtInstrumentRedemptionPricePercentage
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Balance Type:	na
Period Type:	duration

- Definition

Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 20

-Section 50

-Paragraph 3

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=34720828&loc=SL20225862-175312

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4B

-Subparagraph (a),(c)

-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624163-113959

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 20

-Section 55

-Paragraph 7

-URI http://asc.fasb.org/extlink&oid=36459792&loc=SL20226000-175313

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

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

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash outflow for incremental, external costs directly pertaining to an early extinguishment of debt, including legal costs and prepayment penalties, and excluding interest and repayment of debt principal.

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	duration

- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

+ Details

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Balance Type:	credit
Period Type:	duration

- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16(a))

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 9

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

+ Details

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Debt - Additional Information (Detail) In Millions, unless otherwise specified	3 Months Ended			6 Months Ended			1 Months Ended	0 Months Ended		6 Months Ended				6 Months Ended	1 Months Ended		6 Months Ended
	Jun. 30, 2014 USD ($)	Jun. 30, 2014 Exchangeable senior notes [Member] USD ($)	Jun. 30, 2013 Exchangeable senior notes [Member] USD ($)	Jun. 30, 2014 Exchangeable senior notes [Member] USD ($)	Jun. 30, 2013 Exchangeable senior notes [Member] USD ($)	Dec. 31, 2013 Exchangeable senior notes [Member] USD ($)	Jul. 31, 2014 Subsequent Event [Member] USD ($)	Jun. 19, 2014 Euro Term Loan [Member] USD ($)	Jun. 19, 2014 Euro Term Loan [Member] EUR (€)	Jun. 30, 2014 Euro Term Loan [Member] USD ($)	Jun. 30, 2014 Euro Term Loan [Member] EUR (€)	Jun. 30, 2014 Yen Term Loan [Member] USD ($)	Jun. 30, 2014 Yen Term Loan [Member] JPY (¥)	Jun. 30, 2014 Yen Term Loan [Member] London Interbank Offered Rate (LIBOR) [Member]	Feb. 28, 2014 Senior Notes Maturing Two Thousand Twenty Four [Member] USD ($)	Feb. 28, 2014 Senior Notes Maturing Two Thousand Twenty Four [Member] EUR (€)	Jun. 30, 2014 Senior Notes Maturing Two Thousand Twenty Six [Member] USD ($)	Jun. 30, 2014 Senior Notes Maturing Two Thousand Twenty Six [Member] EUR (€)	Jun. 30, 2014 Global Facility [Member] Minimum [Member] USD ($)	Jun. 30, 2014 Global Facility [Member] Maximum [Member] USD ($)	Jun. 30, 2014 Revolver [Member] USD ($)	Jun. 30, 2014 Revolver [Member] JPY (¥)
Debt [Line Items]
Credit facility current borrowing capacity																			$ 2,000.0	$ 2,500.0	$ 444.0	¥ 45,000.0
Maximum borrowing capacity	2,976.3											403.7	40,900.0								557.4	56,500.0
Senior notes issued	823.9						466.6								959.4	700.0	680.6	500.0
Senior note redemption price percentage															3.375%	3.375%	3.00%	3.00%
Debt Instrument maturity year															2024	2024	2026	2026
Senior note interest rate															98.90%	98.90%	99.10%	99.10%
Senior note effective interest rate															3.52%	3.52%	3.10%	3.10%
Debt extinguishment costs	78.0						85.0
Fair value of derivative liability		47.5		47.5		41.0
Unrealized gain (loss)		16.3	(12.1)	(6.5)	(13.1)
Increased borrowing limit								682.9	500.0	1,400.0	1,000.0	504.6	51,100.0
Repayment of debt oustanding
Outstanding balance of euro term loan										$ 204.9	€ 150.0
Debt Instrument, Basis Spread on Variable Rate														1.20%