Consolidated Statements of Comprehensive Income (Loss) (Unaudited) (USD $)	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Comprehensive income (loss):
Net loss attributable to controlling interests	$ (184,076,000)	$ (101,541,000)
Other comprehensive income (loss):
Foreign currency translation gains (losses), net	213,888,000	(409,567,000)
Unrealized gains (losses) and amortization on derivative contracts, net	14,636,000	(19,277,000)
Comprehensive income (loss) attributable to common shares	44,448,000	(530,385,000)
Prologis LP [Member]
Comprehensive income (loss):
Net loss attributable to controlling interests	(184,076,000)	(101,541,000)
Other comprehensive income (loss):
Foreign currency translation gains (losses), net	213,888,000	(409,567,000)
Unrealized gains (losses) and amortization on derivative contracts, net	14,636,000	(19,277,000)
Comprehensive income (loss) attributable to common shares	$ 44,448,000	$ (530,385,000)