Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Operating activities:
Consolidated net earnings	$ 756,950	$ 508,669
Adjustments to reconcile net earnings to net cash provided by operating activities:
Straight-lined rents and amortization of above and below market leases	(26,369)	(48,920)
Equity-based compensation awards	39,082	37,604
Depreciation and amortization	407,754	454,736
Earnings from unconsolidated entities, net	(125,205)	(117,201)
Operating distributions from unconsolidated entities	175,960	141,256
Decrease (increase) in operating receivables from unconsolidated entities	6,589	(117,675)
Amortization of debt discounts (premiums), net of debt issuance costs	5,971	(4,445)
Gains on dispositions of investments in real estate, net	(289,372)	(180,331)
Unrealized foreign currency and derivative losses (gains), net	(52,595)	35,266
Losses on early extinguishment of debt, net	702	30,596
Deferred income tax expense (benefit)	(1,194)	2,268
Decrease (increase) in accounts receivable and other assets	(35,756)	61,452
Decrease in accounts payable and accrued expenses and other liabilities	(89,293)	(58,115)
Net cash provided by operating activities	773,224	745,160
Investing activities:
Real estate development	(788,604)	(715,294)
Real estate acquisitions	(289,031)	(202,088)
Tenant improvements and lease commissions on previously leased space	(59,342)	(75,342)
Property improvements	(33,289)	(37,253)
Proceeds from dispositions and contributions of real estate properties	901,808	836,107
Investments in and advances to unconsolidated entities	(83,250)	(144,894)
Return of investment from unconsolidated entities	134,640	133,677
Proceeds from repayment of notes receivable backed by real estate	34,260	32,100
Proceeds from the settlement of net investment hedges	0	7,541
Payments on the settlement of net investment hedges	(3,966)	(5,058)
Net cash used in investing activities	(186,774)	(170,504)
Financing activities:
Proceeds from issuance of common stock/units	4,322	25,374
Dividends/distributions paid on common and preferred stock/units	(515,245)	(470,792)
Noncontrolling interests contributions	26,174	135,857
Noncontrolling interests distributions	(121,524)	(99,896)
Settlement of noncontrolling interests	(23,768)	(789,626)
Tax paid for shares withheld	(26,694)	(18,894)
Debt issuance costs paid	(6,386)	(6,151)
Net payments on credit facilities	(307,086)	(33,745)
Repurchase and payments of debt	(1,251,830)	(2,002,519)
Proceeds from issuance of debt	1,721,793	2,134,041
Net cash used in financing activities	(500,244)	(1,126,351)
Effect of foreign currency exchange rate changes on cash	(5,422)	15,733
Net increase (decrease) in cash and cash equivalents	80,784	(535,962)
Cash and cash equivalents, beginning of period	447,046	807,316
Cash and cash equivalents, end of period	527,830	271,354
Prologis, L.P. [Member]
Operating activities:
Consolidated net earnings	756,950	508,669
Adjustments to reconcile net earnings to net cash provided by operating activities:
Straight-lined rents and amortization of above and below market leases	(26,369)	(48,920)
Equity-based compensation awards	39,082	37,604
Depreciation and amortization	407,754	454,736
Earnings from unconsolidated entities, net	(125,205)	(117,201)
Operating distributions from unconsolidated entities	175,960	141,256
Decrease (increase) in operating receivables from unconsolidated entities	6,589	(117,675)
Amortization of debt discounts (premiums), net of debt issuance costs	5,971	(4,445)
Gains on dispositions of investments in real estate, net	(289,372)	(180,331)
Unrealized foreign currency and derivative losses (gains), net	(52,595)	35,266
Losses on early extinguishment of debt, net	702	30,596
Deferred income tax expense (benefit)	(1,194)	2,268
Decrease (increase) in accounts receivable and other assets	(35,756)	61,452
Decrease in accounts payable and accrued expenses and other liabilities	(89,293)	(58,115)
Net cash provided by operating activities	773,224	745,160
Investing activities:
Real estate development	(788,604)	(715,294)
Real estate acquisitions	(289,031)	(202,088)
Tenant improvements and lease commissions on previously leased space	(59,342)	(75,342)
Property improvements	(33,289)	(37,253)
Proceeds from dispositions and contributions of real estate properties	901,808	836,107
Investments in and advances to unconsolidated entities	(83,250)	(144,894)
Return of investment from unconsolidated entities	134,640	133,677
Proceeds from repayment of notes receivable backed by real estate	34,260	32,100
Proceeds from the settlement of net investment hedges	0	7,541
Payments on the settlement of net investment hedges	(3,966)	(5,058)
Net cash used in investing activities	(186,774)	(170,504)
Financing activities:
Proceeds from issuance of common stock/units	4,322	25,374
Dividends/distributions paid on common and preferred stock/units	(536,150)	(489,519)
Noncontrolling interests contributions	26,174	135,857
Noncontrolling interests distributions	(100,619)	(81,169)
Settlement of noncontrolling interests	(5,949)	(789,626)
Redemption of common limited partnership units	(17,819)	0
Tax paid for shares withheld	(26,694)	(18,894)
Debt issuance costs paid	(6,386)	(6,151)
Net payments on credit facilities	(307,086)	(33,745)
Repurchase and payments of debt	(1,251,830)	(2,002,519)
Proceeds from issuance of debt	1,721,793	2,134,041
Net cash used in financing activities	(500,244)	(1,126,351)
Effect of foreign currency exchange rate changes on cash	(5,422)	15,733
Net increase (decrease) in cash and cash equivalents	80,784	(535,962)
Cash and cash equivalents, beginning of period	447,046	807,316
Cash and cash equivalents, end of period	$ 527,830	$ 271,354