Selected Quarterly Financial Data (Unaudited) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	12 Months Ended
Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Selected quarterly financial data
Total revenues	$ 484,132	$ 488,641	$ 327,235	$ 233,283	$ 236,223	$ 222,944	$ 213,606	$ 211,814	1,533,291	$ 884,587	$ 1,027,171
Operating income (loss)	57,124	85,210	(44,768)	29,864	(694,092)	33,360	32,132	27,104	127,430	(601,496)	(44,558)
Earnings (loss) from continuing operations	(82,936)	48,359	(158,972)	(50,910)	(1,396,718)	(37,452)	(39,878)	(115,414)	(244,459)	(1,589,462)	(355,089)
Net earnings (loss) attributable to common shares	(45,459)	55,436	(151,471)	(46,617)	(1,166,589)	(15,052)	(23,150)	(91,129)	(188,110)	(1,295,920)	(2,650)
Net earnings (loss) attributable to common shares -
Basic	$ (0.10)	$ 0.12	$ (0.49)	$ (0.18)	$ (4.86)	$ (0.07)	$ (0.11)	$ (0.43)	(0.51)	$ (5.90)	$ (0.01)
Net earnings (loss) attributable to common shares -
Diluted	$ (0.10)	$ 0.12	$ (0.49)	$ (0.18)	$ (4.86)	$ (0.07)	$ (0.11)	$ (0.43)	(0.51)	$ (5.90)	$ (0.01)
Conversion basis of common stock									0.4464	0.4464	0.4464
Prologis, L.P.
Selected quarterly financial data
Total revenues	484,132	488,641	327,235	233,283	236,223	222,944	213,606	211,814	1,533,291	884,587	1,027,171
Operating income (loss)	57,124	85,210	(44,768)	29,864	(694,092)	33,360	32,132	27,104	127,430	(601,496)	(44,558)
Earnings (loss) from continuing operations	(82,936)	48,359	(158,972)	(50,910)	(1,396,718)	(37,452)	(39,878)	(115,414)	244,459	(1,589,462)	(355,089)
Net earnings (loss) attributable to common shares	$ (45,278)	$ 54,906	$ (151,469)	$ (46,617)	$ (1,166,589)	$ (15,052)	$ (23,150)	$ (91,129)	(188,459)	$ (1,295,920)	$ (2,650)
Net earnings (loss) attributable to common shares -
Basic	$ (0.10)	$ 0.12	$ (0.49)	$ (0.18)	$ (4.86)	$ (0.07)	$ (0.11)	$ (0.43)	(0.51)	$ (5.90)	$ (0.01)
Net earnings (loss) attributable to common shares -
Diluted	$ (0.10)	$ 0.12	$ (0.49)	$ (0.18)	$ (4.86)	$ (0.07)	$ (0.11)	$ (0.43)	(0.51)	$ (5.90)	$ (0.01)

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