Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Operating activities:
Consolidated net earnings (loss)	$ (157,938)	$ (1,270,453)	$ 23,929
Adjustments to reconcile net earnings (loss) to net cash provided by operating activities:
Straight-lined rents	(59,384)	(40,983)	(38,997)
Cost of share-based compensation awards	28,920	25,085	17,242
Depreciation and amortization	603,884	356,694	327,126
Earnings from unconsolidated investees	(59,935)	(23,678)	(28,059)
Earnings from unconsolidated investees	(59,935)	(23,678)	(28,861)
Changes in operating receivables and distributions from unconsolidated investees	58,981	79,671	69,656
Amortization of debt and lease intangibles	43,556	79,538	84,755
Debt consent solicitation expenses			14,547
Non-cash merger expenses	20,290		0
Impairment of goodwill and other assets	126,432	412,745	163,644
Impairment of real estate properties	21,237	736,612	331,592
Net gains on dispositions, net of related impairment charges, included in discontinued operations	(61,830)	(234,574)	(264,779)
Gains recognized on property acquisitions and dispositions, net	(111,684)	(28,488)	(35,262)
Gains recognized on disposition of investments in Japan property funds			(180,237)
Loss (gain) on early extinguishment of debt, net	(258)	201,486	(172,258)
Unrealized foreign currency and derivative losses (gains), net	(38,398)	11,487	(58,128)
Deferred income tax benefit	(19,803)	(52,223)	(23,287)
Decrease (increase) in restricted cash, accounts receivable and other assets	(40,095)	63,701	102,510
Decrease in accounts payable and accrued expenses and other liabilities	(146,911)	(75,837)	(244,085)
Net cash provided by operating activities	207,064	240,783	89,095
Investing activities:
Real estate investments	(1,025,794)	(458,125)	(1,241,836)
Tenant improvements and lease commissions on previously leased space	(88,368)	(57,240)	(49,783)
Non-development capital expenditures	(55,702)	(28,565)	(26,506)
Investments in and net advances to unconsolidated investees	(37,755)	(335,396)	(401,386)
Return of investment from unconsolidated investees	170,158	220,195	81,216
Proceeds from dispositions of real estate properties	1,644,152	1,642,986	1,520,519
Proceeds from dispositions of China operations and Japan property funds			1,345,468
Proceeds from repayment of notes receivable	6,450	18,440	12,430
Investments in notes receivable backed by real estate and advances on other notes receivable	(55,000)	(269,000)	(4,845)
Cash acquired in connection with AMB merger	234,045
Acquisition of PEPR, net of cash received	1,025,251
Net cash provided by (used in) investing activities	(233,065)	733,295	1,235,277
Financing activities:
Issuance of common stock/partnership units, net	1,156,493	1,162,461	1,491,137
Distributions paid on common stock	387,133	(280,658)	(271,845)
Dividends paid on preferred stock	26,965	(25,416)	(25,416)
Noncontrolling interest distributions	(17,318)	(1,610)	(1,548)
Noncontrolling interest contributions	123,924
Debt and equity issuance costs paid	77,241	(76,580)	(125,190)
Payments on credit facilities, net	(37,558)	(246,280)	(2,400,194)
Repurchase of debt	(894,249)	(3,104,476)	(1,226,658)
Proceeds from issuance of debt	1,298,891	1,860,299	1,448,871
Payments on debt	(975,466)	(257,502)	(351,793)
Net cash provided by (used in) financing activities	163,318	(969,762)	(1,462,636)
Effect of foreign currency exchange rate changes on cash	1,121	(1,044)	(2,010)
Net increase (decrease) in cash and cash equivalents	138,438	3,272	(140,274)
Cash and cash equivalents, beginning of period	37,634	34,362	174,636
Cash and cash equivalents, end of period	176,072	37,634	34,362
Prologis, L.P.
Operating activities:
Consolidated net earnings (loss)	(157,938)	(1,270,453)	23,929
Adjustments to reconcile net earnings (loss) to net cash provided by operating activities:
Straight-lined rents	(58,394)	(40,983)	(38,997)
Cost of share-based compensation awards	28,920	25,085	17,242
Depreciation and amortization	603,884	356,694	327,126
Earnings from unconsolidated investees	(59,935)	(23,678)	(28,059)
Earnings from unconsolidated investees	(59,935)	(23,678)	(28,861)
Changes in operating receivables and distributions from unconsolidated investees	58,981	79,671	69,656
Amortization of debt and lease intangibles		79,538	84,755
Debt consent solicitation expenses			14,547
Non-cash merger expenses	20,290	0
Impairment of goodwill and other assets	126,432	412,745	163,644
Impairment of real estate properties		736,612	331,592
Net gains on dispositions, net of related impairment charges, included in discontinued operations	(61,830)	(234,574)	(264,779)
Gains recognized on property acquisitions and dispositions, net	111,684	(28,488)	(35,262)
Gains recognized on disposition of investments in Japan property funds			(180,237)
Loss (gain) on early extinguishment of debt, net	(258)	201,486	(172,258)
Unrealized foreign currency and derivative losses (gains), net	(38,398)	11,487	(58,128)
Deferred income tax benefit	(19,803)	(52,223)	(23,287)
Decrease (increase) in restricted cash, accounts receivable and other assets	(40,095)	63,701	102,510
Decrease in accounts payable and accrued expenses and other liabilities	(146,911)	(75,837)	(244,085)
Net cash provided by operating activities	207,064	240,783	89,095
Investing activities:
Real estate investments	(1,025,794)	(458,125)	(1,241,836)
Tenant improvements and lease commissions on previously leased space	(88,368)	(57,240)	(49,783)
Non-development capital expenditures	(55,702)	(28,565)	(26,506)
Investments in and net advances to unconsolidated investees	(37,755)	(335,396)	(401,386)
Return of investment from unconsolidated investees	170,158	220,195	81,216
Proceeds from dispositions of real estate properties	1,644,152	1,642,986	1,520,519
Proceeds from dispositions of China operations and Japan property funds			1,345,468
Proceeds from repayment of notes receivable	6,450	18,440	12,430
Investments in notes receivable backed by real estate and advances on other notes receivable	(55,000)	(269,000)	(4,845)
Cash acquired in connection with AMB merger	234,045
Acquisition of PEPR, net of cash received	(1,025,251)
Net cash provided by (used in) investing activities	(233,065)	733,295	1,235,277
Financing activities:
Issuance of common stock/partnership units, net	1,156,493	1,162,461	1,491,137
Distributions paid on common stock	(388,333)	(280,658)	(271,845)
Dividends paid on preferred stock	(26,965)	(25,416)	(25,416)
Noncontrolling interest distributions	(16,178)	(1,610)	(1,548)
Noncontrolling interest contributions	123,924
Debt and equity issuance costs paid	(77,241)	(76,580)	(125,190)
Payments on credit facilities, net	(37,558)	(246,280)	(2,400,194)
Repurchase of debt	(894,249)	(3,104,476)	(1,226,658)
Proceeds from issuance of debt	1,298,891	1,860,299	1,448,871
Payments on debt	(975,466)	(257,502)	(351,793)
Net cash provided by (used in) financing activities	163,318	(969,762)	(1,462,636)
Effect of foreign currency exchange rate changes on cash	1,121	(1,044)	(2,010)
Net increase (decrease) in cash and cash equivalents	138,438	3,272	(140,274)
Cash and cash equivalents, beginning of period	37,634	34,362	174,636
Cash and cash equivalents, end of period	$ 176,072	$ 37,634	$ 34,362