Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Operating activities:
Consolidated net earnings	$ 1,760,959	$ 1,292,540	$ 925,515
Adjustments to reconcile net earnings to net cash provided by operating activities:
Straight-lined rents and amortization of above and below market leases	(81,021)	(93,608)	(59,619)
Equity-based compensation awards	76,640	60,341	53,665
Depreciation and amortization	879,140	930,985	880,373
Earnings from unconsolidated entities, net	(248,567)	(206,307)	(159,262)
Distributions from unconsolidated entities	307,220	286,651	284,664
Decrease (increase) in operating receivables from unconsolidated entities	(30,893)	14,823	(38,185)
Amortization of debt discounts (premiums), net of debt issuance costs	751	(15,137)	(31,841)
Gains on dispositions of investments in real estate and revaluation of equity investments upon acquisition of a controlling interest, net	(1,182,965)	(757,398)	(758,887)
Unrealized foreign currency and derivative losses (gains), net	68,956	(8,052)	(1,019)
Losses (gains) on early extinguishment of debt, net	68,379	(2,484)	86,303
Deferred income tax benefit	(5,005)	(5,525)	(5,057)
Decrease (increase) in accounts receivable and other assets	37,278	(106,337)	(64,749)
Increase in accounts payable and accrued expenses and other liabilities	36,374	26,513	4,426
Net cash provided by operating activities	1,687,246	1,417,005	1,116,327
Investing activities:
Real estate development	(1,606,133)	(1,641,560)	(1,339,904)
Real estate acquisitions	(442,696)	(458,516)	(890,183)
Tenant improvements and lease commissions on previously leased space	(153,255)	(165,933)	(154,564)
Nondevelopment capital expenditures	(110,635)	(101,677)	(83,351)
Proceeds from dispositions and contributions of real estate properties	3,236,603	2,826,408	2,795,249
Investments in and advances to unconsolidated entities	(249,735)	(265,951)	(474,420)
Acquisition of a controlling interest in an unconsolidated venture, net of cash received	(374,605)	0	0
Return of investment from unconsolidated entities	209,151	776,550	29,406
Proceeds from repayment of notes receivable backed by real estate	32,100	202,950	9,866
Proceeds from the settlement of net investment hedges	7,541	79,767	129,149
Payments on the settlement of net investment hedges	(5,058)	0	(981)
Net cash provided by (used in) investing activities	543,278	1,252,038	(4,789,232)
Financing activities:
Proceeds from issuance of common stock	32,858	39,470	90,258
Dividends paid on common and preferred stock	(942,884)	(893,455)	(804,697)
Repurchase of preferred stock	(13,182)	0	0
Noncontrolling interests contributions	240,925	2,168	2,355,367
Noncontrolling interests distributions	(207,788)	(343,550)	(215,740)
Purchase of noncontrolling interests	(813,847)	(3,083)	(2,560)
Tax paid for shares withheld	(19,775)	(8,570)	(12,298)
Debt and equity issuance costs paid	(7,054)	(20,123)	(32,012)
Net proceeds from (payments on) credit facilities	283,255	33,435	(7,970)
Repurchase and payments of debt	(3,578,889)	(2,301,647)	(3,156,294)
Proceeds from issuance of debt	2,419,797	1,369,890	5,381,862
Net cash provided by (used in) financing activities	(2,606,584)	(2,125,465)	3,595,916
Effect of foreign currency exchange rate changes on cash	15,790	(342)	(9,623)
Net increase (decrease) in cash and cash equivalents	(360,270)	543,236	(86,612)
Cash and cash equivalents, beginning of year	807,316	264,080	350,692
Cash and cash equivalents, end of year	447,046	807,316	264,080
Prologis, L.P. [Member]
Operating activities:
Consolidated net earnings	1,760,959	1,292,540	925,515
Adjustments to reconcile net earnings to net cash provided by operating activities:
Straight-lined rents and amortization of above and below market leases	(81,021)	(93,608)	(59,619)
Equity-based compensation awards	76,640	60,341	53,665
Depreciation and amortization	879,140	930,985	880,373
Earnings from unconsolidated entities, net	(248,567)	(206,307)	(159,262)
Distributions from unconsolidated entities	307,220	286,651	284,664
Decrease (increase) in operating receivables from unconsolidated entities	(30,893)	14,823	(38,185)
Amortization of debt discounts (premiums), net of debt issuance costs	751	(15,137)	(31,841)
Gains on dispositions of investments in real estate and revaluation of equity investments upon acquisition of a controlling interest, net	(1,182,965)	(757,398)	(758,887)
Unrealized foreign currency and derivative losses (gains), net	68,956	(8,052)	(1,019)
Losses (gains) on early extinguishment of debt, net	68,379	(2,484)	86,303
Deferred income tax benefit	(5,005)	(5,525)	(5,057)
Decrease (increase) in accounts receivable and other assets	37,278	(106,337)	(64,749)
Increase in accounts payable and accrued expenses and other liabilities	36,374	26,513	4,426
Net cash provided by operating activities	1,687,246	1,417,005	1,116,327
Investing activities:
Real estate development	(1,606,133)	(1,641,560)	(1,339,904)
Real estate acquisitions	(442,696)	(458,516)	(890,183)
Tenant improvements and lease commissions on previously leased space	(153,255)	(165,933)	(154,564)
Nondevelopment capital expenditures	(110,635)	(101,677)	(83,351)
Proceeds from dispositions and contributions of real estate properties	3,236,603	2,826,408	2,795,249
Investments in and advances to unconsolidated entities	(249,735)	(265,951)	(474,420)
Acquisition of a controlling interest in an unconsolidated venture, net of cash received	(374,605)	0	0
Return of investment from unconsolidated entities	209,151	776,550	29,406
Proceeds from repayment of notes receivable backed by real estate	32,100	202,950	9,866
Proceeds from the settlement of net investment hedges	7,541	79,767	129,149
Payments on the settlement of net investment hedges	(5,058)	0	(981)
Net cash provided by (used in) investing activities	543,278	1,252,038	(4,789,232)
Financing activities:
Proceeds from issuance of common stock	32,858	39,470	90,258
Dividends paid on common and preferred stock	(980,105)	(931,559)	(820,989)
Repurchase of preferred stock	(13,182)	0	0
Noncontrolling interests contributions	240,925	2,168	2,355,367
Noncontrolling interests distributions	(170,567)	(306,297)	(199,845)
Purchase of noncontrolling interests	(790,016)	(2,232)	(2,163)
Redemption of common limited partnership units	(23,831)	0	0
Tax paid for shares withheld	(19,775)	(8,570)	(12,298)
Debt and equity issuance costs paid	(7,054)	(20,123)	(32,012)
Net proceeds from (payments on) credit facilities	283,255	33,435	(7,970)
Repurchase and payments of debt	(3,578,889)	(2,301,647)	(3,156,294)
Proceeds from issuance of debt	2,419,797	1,369,890	5,381,862
Net cash provided by (used in) financing activities	(2,606,584)	(2,125,465)	3,595,916
Effect of foreign currency exchange rate changes on cash	15,790	(342)	(9,623)
Net increase (decrease) in cash and cash equivalents	(360,270)	543,236	(86,612)
Cash and cash equivalents, beginning of year	807,316	264,080	350,692
Cash and cash equivalents, end of year	447,046	807,316	264,080
KTR Capital Partners and Affiliates [Member]
Investing activities:
KTR transaction, net of cash received	0	0	(4,809,499)
KTR Capital Partners and Affiliates [Member] | Prologis, L.P. [Member]
Investing activities:
KTR transaction, net of cash received	$ 0	$ 0	$ (4,809,499)