DCT Transaction - Additional Information (Detail) - DCT Transaction [Member] ft² in Millions, $ in Millions	Aug. 22, 2018 USD ($) ft² a Property
Business Acquisition [Line Items]
Business acquisition, date of acquisition agreement	Aug. 22, 2018
Business acquisition consideration transferred | $	$ 8,500.0
Business acquisition stock conversion ratio	1.02
Number of operating properties acquired | Property	408
Number of operating properties under development | Property	10
Square feet of properties | ft²	68.0
Area of properties under development | ft²	2.8
Acquisition of real estate properties, acres of land parcels | a	305
Area of properties land parcels with potential build out | ft²	4.5
Fair value of Prologis shares and units issued | $	$ 6,557.0
Transaction costs | $	$ 50.0