Stockholders' Equity of Prologis, Inc - Equity Securities Distributions Paid or Payable Per Unit (Detail) (USD $)	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Class of Stock [Line Items]
Ordinary income	$ 0.29	[1],[2]			$ 0.38
Qualified dividend	$ 0.41	[1],[2]			$ 0.20
Capital gains	$ 0.62	[1],[2]	$ 1.12		$ 0.54
Total distribution	$ 1.32	[1],[2]	$ 1.12		$ 1.12
Series L Preferred Stock [Member]
Class of Stock [Line Items]
Ordinary income					$ 0.55	[3]
Qualified dividend					$ 0.28	[3]
Capital gains			$ 0.41	[3]	$ 0.80	[3]
Total distribution			$ 0.41	[3]	$ 1.63	[3]
Series MRS Preferred Stock [Member]
Class of Stock [Line Items]
Ordinary income					$ 0.57	[3]
Qualified dividend					$ 0.30	[3]
Capital gains			$ 0.42	[3]	$ 0.82	[3]
Total distribution			$ 0.42	[3]	$ 1.69	[3]
Series O Preferred Stock [Member]
Class of Stock [Line Items]
Ordinary income					$ 0.59	[3]
Qualified dividend					$ 0.31	[3]
Capital gains			$ 0.44	[3]	$ 0.85	[3]
Total distribution			$ 0.44	[3]	$ 1.75	[3]
Series P Preferred Stock [Member]
Class of Stock [Line Items]
Ordinary income					$ 0.58	[3]
Qualified dividend					$ 0.30	[3]
Capital gains			$ 0.43	[3]	$ 0.83	[3]
Total distribution			$ 0.43	[3]	$ 1.71	[3]
Series Q Preferred Stock [Member]
Class of Stock [Line Items]
Ordinary income	$ 0.71	[1],[2]			$ 1.44
Qualified dividend	$ 1.01	[1],[2]			$ 0.75
Capital gains	$ 2.55	[1],[2]	$ 4.27		$ 2.08
Total distribution	$ 4.27	[1],[2]	$ 4.27		$ 4.27

[1] Items indicated by '-' are not applicable.

[2] Taxability for 2014 is estimated.

[3] As discussed above, in April 2013, we redeemed all of the outstanding series L, M, O, P, R and S preferred stock.