Consolidated Statements of Cash Flows (Unaudited) (USD $)	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Operating activities:
Net loss attributable to controlling interests	$ (184,076,000)	$ (101,541,000)
Adjustments to reconcile net loss to net cash provided by operating activities:
Noncontrolling interest share in earnings, net	285,000	444,000
Straight-lined rents	(23,368,000)	(21,511,000)
Cost (settlement) of share-based compensation awards	5,039,000	11,909,000
Depreciation and amortization	206,219,000	173,802,000
Earnings from unconsolidated investees	(25,040,000)	(11,277,000)
Changes in operating receivables and distributions from unconsolidated investees	17,000,000	53,525,000
Amortization of management contracts	1,921,000	1,100,000
Amortization of deferred loan costs	12,761,000	13,917,000
Amortization of debt discount, net	12,908,000	27,532,000
Non-cash merger expenses	14,889,000	0
Impariment of real estate properties and other assets	103,823,000	367,000
Net gains on dispositions, net of impairment charges, included in discontinued operations	(12,051,000)	(9,127,000)
Gains recognized on property dispositions, net	(106,254,000)	(22,766,000)
Loss on early extinguishment of debt,net	0	46,658,000
Unrealized foreign currency exchange gains, net	8,652,000	4,229,000
Deferred income tax expense (benefit)	982,000	(42,398,000)
Increase in restricted cash, accounts receivable and other assets	(53,663,000)	27,820,000
Increase (decrease) in accounts payable and accrued expenses and other liabilities	2,746,000	(49,960,000)
Net cash provided by operating activities	(17,227,000)	102,723,000
Investing activities:
Real estate investments	(446,913,000)	(255,760,000)
Tenant improvements and lease commissions on previously leased space	(28,197,000)	(22,781,000)
Non-development capital expenditures	(13,865,000)	(11,836,000)
Net advances from (investments in and net advances to) unconsolidated investees	11,329,000	(150,981,000)
Return of investment from unconsolidated investees	57,256,000	41,644,000
Proceeds from dispositions of real estate properties	610,371,000	260,026,000
Proceeds from repayment of notes receivable	9,695,000	13,639,000
Investments in notes receivable backed by real estate and advances on other notes receivable	(55,000,000)	0
Cash acquired in connection with AMB Merger	234,045,000	0
Acquisition of ProLogis European Properties ("PEPR"), net of cash received	(1,025,251,000)	0
Net cash provided by (used in) investing activities	(646,530,000)	(126,049,000)
Financing activities:
Proceeds from sales and issuances of common shares	1,156,493,000	28,714,000
Distributions paid on common shares	(129,030,000)	(143,815,000)
Dividends paid on preferred shares	(12,708,000)	(12,708,000)
Noncontrolling interest distributions, net	(170,000)	(352,000)
Debt and equity issuance costs paid	(67,316,000)	(25,270,000)
Net payments on credit facilities	(50,213,000)	(275,508,000)
Repurchase of senior and exchangeable senior notes and extinguishment of secured mortgage debt	0	(1,190,463,000)
Proceeds from issuance of senior and convertible senior notes and secured mortgage debt	885,453,000	1,686,388,000
Payments on senior notes, secured mortgage debt and assessment bonds	(897,115,000)	(50,439,000)
Net cash provided by (used in) financing activities	885,394,000	16,547,000
Effect of foreign currency exchange rate changes on cash	1,622,000	(2,481,000)
Net increase (decrease) in cash and cash equivalents	223,259,000	(9,260,000)
Cash and cash equivalents, beginning of period	37,634,000	34,362,000
Cash and cash equivalents, end of period	260,893,000	37,634,000
Prologis LP [Member]
Operating activities:
Net loss attributable to controlling interests	(184,076,000)	(101,541,000)
Adjustments to reconcile net loss to net cash provided by operating activities:
Noncontrolling interest share in earnings, net	285,000	444,000
Straight-lined rents	(23,368,000)	(21,511,000)
Cost (settlement) of share-based compensation awards	5,039,000	11,909,000
Depreciation and amortization	206,219,000	173,802,000
Earnings from unconsolidated investees	(25,040,000)	(11,277,000)
Changes in operating receivables and distributions from unconsolidated investees	17,000,000	53,525,000
Amortization of management contracts	1,921,000	1,100,000
Amortization of deferred loan costs	12,761,000	13,917,000
Amortization of debt discount, net	12,908,000	27,532,000
Non-cash merger expenses	14,889,000	0
Gains recognized on property dispositions, net	(106,254,000)	(22,766,000)
Loss on early extinguishment of debt,net	0	46,658,000
Unrealized foreign currency exchange gains, net	8,652,000	4,229,000
Deferred income tax expense (benefit)	982,000	(42,398,000)
Increase in restricted cash, accounts receivable and other assets	(53,663,000)	27,820,000
Increase (decrease) in accounts payable and accrued expenses and other liabilities	2,746,000	(49,960,000)
Net cash provided by operating activities	(17,227,000)	102,723,000
Investing activities:
Real estate investments	(446,913,000)	(255,760,000)
Tenant improvements and lease commissions on previously leased space	(28,197,000)	(22,781,000)
Non-development capital expenditures	(13,865,000)	(11,836,000)
Net advances from (investments in and net advances to) unconsolidated investees	11,329,000	(150,981,000)
Return of investment from unconsolidated investees	57,256,000	41,644,000
Proceeds from dispositions of real estate properties	610,371,000	260,026,000
Proceeds from repayment of notes receivable	9,695,000	13,639,000
Investments in notes receivable backed by real estate and advances on other notes receivable	(55,000,000)	0
Cash acquired in connection with AMB Merger	234,045,000	0
Acquisition of ProLogis European Properties ("PEPR"), net of cash received	(1,025,251,000)	0
Net cash provided by (used in) investing activities	(646,530,000)	(126,049,000)
Financing activities:
Proceeds from sales and issuances of common shares	1,156,493,000	28,714,000
Distributions paid on common shares	(129,030,000)	(143,815,000)
Dividends paid on preferred shares	(12,708,000)	(12,708,000)
Noncontrolling interest distributions, net	(170,000)	(352,000)
Debt and equity issuance costs paid	(67,316,000)	(25,270,000)
Net payments on credit facilities	(50,213,000)	(275,508,000)
Repurchase of senior and exchangeable senior notes and extinguishment of secured mortgage debt	0	(1,190,463,000)
Proceeds from issuance of senior and convertible senior notes and secured mortgage debt	885,453,000	1,686,388,000
Payments on senior notes, secured mortgage debt and assessment bonds	(897,115,000)	(50,439,000)
Net cash provided by (used in) financing activities	885,394,000	16,547,000
Effect of foreign currency exchange rate changes on cash	1,622,000	(2,481,000)
Net increase (decrease) in cash and cash equivalents	223,259,000	(9,260,000)
Cash and cash equivalents, beginning of period		34,362,000
Cash and cash equivalents, end of period	$ 260,893,000	$ 37,634,000