CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Operating activities:
Consolidated net earnings (loss)	$ (30,472)	$ (157,938)	$ (1,270,453)
Adjustments to reconcile net loss to net cash provided by operating activities:
Straight-lined rents	(62,290)	(59,384)	(40,983)
Stock-based compensation awards, net	32,138	28,920	25,085
Depreciation and amortization	767,459	603,884	356,694
Earnings from unconsolidated entities, net	(31,676)	(59,935)	(23,678)
Distributions and changes in operating receivables from unconsolidated entities	6,581	58,981	79,671
Amortization of debt and lease intangibles	21,008	43,556	79,538
Non-cash Merger, acquisition and other integration expenses	17,581	20,290
Impairment of real estate properties and other assets	269,049	147,669	1,149,357
Net gains on dispositions, including related impairment charges, in discontinued operations	(43,008)	(61,830)	(234,574)
Gains on acquisitions and dispositions of investments in real estate, net	(305,607)	(111,684)	(28,488)
Loss (gain) on early extinguishment of debt, net	14,114	(258)	201,486
Unrealized foreign currency and derivative losses (gains), net	14,892	(38,398)	11,487
Deferred income tax benefit	(21,967)	(19,803)	(52,223)
Decrease (increase) in restricted cash, accounts receivable and other assets	(178,387)	(40,095)	63,701
Decrease in accounts payable and accrued expenses and other liabilities	(5,923)	(146,911)	(75,837)
Net cash provided by operating activities	463,492	207,064	240,783
Investing activities:
Real estate development activity	(793,349)	(811,035)	(324,471)
Real estate acquisitions	(254,414)	(214,759)	(133,654)
Tenant improvements and lease commissions on previously leased space	(133,558)	(88,368)	(57,240)
Non-development capital expenditures	(80,612)	(55,702)	(28,565)
Investments in and advances to unconsolidated entities, net	(165,011)	(37,755)	(335,396)
Return of investment from unconsolidated entities	291,679	170,158	220,195
Proceeds from dispositions of real estate properties	1,975,036	1,644,152	1,642,986
Proceeds from repayment of notes receivable backed by real estate and other notes receivable	55,000	6,450	18,440
Investments in notes receivable backed by real estate and advances on other notes receivable		(55,000)	(269,000)
Cash acquired in connection with the Merger		234,045
Net cash provided by (used in) investing activities	529,615	(233,065)	733,295
Financing activities:
Proceeds from issuance of common stock, net	30,981	1,156,493	1,162,461
Dividends paid on common stock	(520,253)	(387,133)	(280,658)
Dividends paid on preferred stock	(47,581)	(26,965)	(25,416)
Noncontrolling interest contributions	70,820	123,924
Noncontrolling interest distributions	(44,070)	(17,378)	(1,610)
Purchase of noncontrolling interest	(142,064)
Debt and equity issuance costs paid	(10,963)	(77,241)	(76,580)
Net proceeds from (payments on) Credit Facilities	9,064	(37,558)	(246,280)
Repurchase of debt	(1,653,989)	(894,249)	(3,104,476)
Proceeds from the issuance of debt	1,433,254	1,298,891	1,860,299
Payments on debt	(196,710)	(975,466)	(257,502)
Net cash provided by (used in) financing activities	(1,071,511)	163,318	(969,762)
Effect of foreign currency exchange rate changes on cash	3,142	1,121	(1,044)
Net increase (decrease) in cash and cash equivalents	(75,262)	138,438	3,272
Cash and cash equivalents, beginning of year	176,072	37,634	34,362
Cash and cash equivalents, end of year	100,810	176,072	37,634
Prologis, L.P. [Member]
Operating activities:
Consolidated net earnings (loss)	(30,472)	(157,938)	(1,270,453)
Adjustments to reconcile net loss to net cash provided by operating activities:
Straight-lined rents	(62,290)	(59,384)	(40,983)
Stock-based compensation awards, net	32,138	28,920	25,085
Depreciation and amortization	767,459	603,884	356,694
Earnings from unconsolidated entities, net	(31,676)	(59,935)	(23,678)
Distributions and changes in operating receivables from unconsolidated entities	6,581	58,981	79,671
Amortization of debt and lease intangibles	21,008	43,556	79,538
Non-cash Merger, acquisition and other integration expenses	17,581	20,290
Impairment of real estate properties and other assets	269,049	147,669	1,149,357
Net gains on dispositions, including related impairment charges, in discontinued operations	(43,008)	(61,830)	(234,574)
Gains on acquisitions and dispositions of investments in real estate, net	(305,607)	(111,684)	(28,488)
Loss (gain) on early extinguishment of debt, net	14,114	(258)	201,486
Unrealized foreign currency and derivative losses (gains), net	14,892	(38,398)	11,487
Deferred income tax benefit	(21,967)	(19,803)	(52,223)
Decrease (increase) in restricted cash, accounts receivable and other assets	(178,387)	(40,095)	63,701
Decrease in accounts payable and accrued expenses and other liabilities	(5,923)	(146,911)	(75,837)
Net cash provided by operating activities	463,492	207,064	240,783
Investing activities:
Real estate development activity	(793,349)	(811,035)	(324,471)
Real estate acquisitions	(254,414)	(214,759)	(133,654)
Tenant improvements and lease commissions on previously leased space	(133,558)	(88,368)	(57,240)
Non-development capital expenditures	(80,612)	(55,702)	(28,565)
Investments in and advances to unconsolidated entities, net	(165,011)	(37,755)	(335,396)
Return of investment from unconsolidated entities	291,679	170,158	220,195
Proceeds from dispositions of real estate properties	1,975,036	1,644,152	1,642,986
Proceeds from repayment of notes receivable backed by real estate and other notes receivable	55,000	6,450	18,440
Investments in notes receivable backed by real estate and advances on other notes receivable		(55,000)	(269,000)
Cash acquired in connection with the Merger		234,045
Net cash provided by (used in) investing activities	529,615	(233,065)	733,295
Financing activities:
Proceeds from issuance of common stock, net	30,981	1,156,493	1,162,461
Distributions paid on common partnership units	(528,226)	(388,333)	(280,658)
Distributions paid on preferred units	(47,581)	(26,965)	(25,416)
Noncontrolling interest contributions	70,820	123,924
Noncontrolling interest distributions	(41,905)	(16,178)	(1,610)
Purchase of noncontrolling interest	(136,256)
Debt and equity issuance costs paid	(10,963)	(77,241)	(76,580)
Net proceeds from (payments on) Credit Facilities	9,064	(37,558)	(246,280)
Repurchase of debt	(1,653,989)	(894,249)	(3,104,476)
Proceeds from the issuance of debt	1,433,254	1,298,891	1,860,299
Payments on debt	(196,710)	(975,466)	(257,502)
Net cash provided by (used in) financing activities	(1,071,511)	163,318	(969,762)
Effect of foreign currency exchange rate changes on cash	3,142	1,121	(1,044)
Net increase (decrease) in cash and cash equivalents	(75,262)	138,438	3,272
Cash and cash equivalents, beginning of year	176,072	37,634	34,362
Cash and cash equivalents, end of year	100,810	176,072	37,634
PEPR [Member]
Investing activities:
Acquisition, net of cash received		(1,025,251)
PEPR [Member] | Prologis, L.P. [Member]
Investing activities:
Acquisition, net of cash received		(1,025,251)
NAIF II [Member]
Investing activities:
Acquisition, net of cash received	(365,156)
NAIF II [Member] | Prologis, L.P. [Member]
Investing activities:
Acquisition, net of cash received	$ (365,156)