XML 98 R67.htm IDEA: XBRL DOCUMENT
v3.19.1

Financial Instruments and Fair Value Measurements - Summary of Undesignated Foreign Currency Forwards Activity (Detail) - Forwards [Member] - Undesignated Derivatives [Member] | 3 Months Ended
--- | ---
Mar. 31, 2019 USD ($) Derivative | Mar. 31, 2018 USD ($) Derivative
BRL |  |
Derivative [Line Items] |  |
Notional amounts at January 1 | $ 5,000,000 |
New contracts | 489,000,000 |
Matured, expired or settled contracts | (494,000,000) |
Notional amounts at March 31 | $ 0 |
Weighted average forward rate at March 31 | 0 |
Active contracts at March 31 | Derivative | 0 |
CAD |  |
Derivative [Line Items] |  |
Notional amounts at January 1 | $ 55,000,000 | $ 56,000,000
New contracts | 0 | 5,000,000
Matured, expired or settled contracts | (9,000,000) | (6,000,000)
Notional amounts at March 31 | $ 46,000,000 | $ 55,000,000
Weighted average forward rate at March 31 | 1.28 | 1.28
Active contracts at March 31 | Derivative | 20 | 24
CNY |  |
Derivative [Line Items] |  |
Notional amounts at January 1 |  | $ 0
New contracts |  | 80,000,000
Matured, expired or settled contracts |  | (80,000,000)
Notional amounts at March 31 |  | $ 0
Weighted average forward rate at March 31 |  | 0
Active contracts at March 31 | Derivative |  | 0
EUR |  |
Derivative [Line Items] |  |
Notional amounts at January 1 | $ 314,000,000 | $ 233,000,000
New contracts | 0 | 28,000,000
Matured, expired or settled contracts | (35,000,000) | (25,000,000)
Notional amounts at March 31 | $ 279,000,000 | $ 236,000,000
Weighted average forward rate at March 31 | 1.21 | 1.18
Active contracts at March 31 | Derivative | 29 | 29
GBP |  |
Derivative [Line Items] |  |
Notional amounts at January 1 | $ 118,000,000 | $ 132,000,000
New contracts | 112,000,000 | 0
Matured, expired or settled contracts | (21,000,000) | (24,000,000)
Notional amounts at March 31 | $ 209,000,000 | $ 108,000,000
Weighted average forward rate at March 31 | 1.22 | 1.30
Active contracts at March 31 | Derivative | 22 | 18
JPY |  |
Derivative [Line Items] |  |
Notional amounts at January 1 | $ 177,000,000 | $ 153,000,000
New contracts | 0 | 0
Matured, expired or settled contracts | (20,000,000) | (19,000,000)
Notional amounts at March 31 | $ 157,000,000 | $ 134,000,000
Weighted average forward rate at March 31 | 104.86 | 106.20
Active contracts at March 31 | Derivative | 30 | 30

X
- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
Name: | invest_DerivativeNotionalAmount
Namespace Prefix: | invest_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Matured, expired or settled derivative contracts. + References No definition available. + Details
Name: | pld_MaturedExpiredOrSettledDerivativeContracts
Namespace Prefix: | pld_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition New contracts on derivative instruments during the period. + References No definition available. + Details
Name: | pld_NewContracts
Namespace Prefix: | pld_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Contractual rate at which a foreign currency can be purchased or sold. + References No definition available. + Details
Name: | us-gaap_DerivativeForwardExchangeRate1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- 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_DerivativeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of derivative instruments of a particular group held by the entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959 + Details
Name: | us-gaap_DerivativeNumberOfInstrumentsHeld
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_ForeignExchangeContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_NondesignatedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_BRL
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_CAD
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_CNY
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_EUR
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_GBP
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_JPY
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |