Consolidated Statements of Capital - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Consolidated net earnings	$ 1,760,959	$ 1,292,540	$ 925,515
Effect of equity compensation plans	115,972	117,697	83,703
Issuance of stock upon conversion of exchangeable debt			502,732
Issuance of units related to acquisitions		3,162
Capital contributions	254,214		2,355,596
Purchase of noncontrolling interests	(813,847)
Unrealized gains (losses) on derivative contracts, net	22,591	(1,349)	(17,457)
Repurchase of preferred stock	(13,182)
KTR Capital Partners and Affiliates [Member]
Issuance of units related to acquisitions			181,170
Other Acquisitions [Member]
Issuance of units related to acquisitions			371,570
Non-controlling Interests [Member]
Consolidated net earnings	108,634	82,608	56,076
Effect of equity compensation plans	41,446	26,483	26,234
Issuance of units related to acquisitions		3,162
Capital contributions	254,214		2,355,596
Purchase of noncontrolling interests	(611,807)
Unrealized gains (losses) on derivative contracts, net	$ 586	$ (35)	(217)
Non-controlling Interests [Member] | KTR Capital Partners and Affiliates [Member]
Issuance of units related to acquisitions			181,170
Non-controlling Interests [Member] | Other Acquisitions [Member]
Issuance of units related to acquisitions			371,570
Class A Common [Member]
Beginning balance, Units	8,900
Conversion of limited partners units, shares	8,500	8,700
Ending balance, Units	8,900	8,900
Prologis, L.P. [Member]
Beginning balance	$ 18,458,140	$ 18,420,836	15,183,599
Consolidated net earnings	1,760,959	1,292,540	925,515
Effect of equity compensation plans	115,972	117,697	83,703
Issuance of units in exchange for contribution of equity offering proceeds			71,548
Issuance of stock upon conversion of exchangeable debt			502,732
Issuance of units related to acquisitions		3,162
Capital contributions	254,214		2,355,596
Purchase of noncontrolling interests	(790,016)
Redemption of limited partnership units	(23,831)
Foreign currency translation gains (losses), net	63,455	(135,958)	(208,901)
Unrealized gains (losses) on derivative contracts, net	22,591	(1,349)	(17,457)
Distributions and other	(1,142,561)	(1,238,788)	(1,028,239)
Ending balance	18,705,741	18,458,140	18,420,836
Repurchase of preferred stock	(13,182)
Prologis, L.P. [Member] | KTR Capital Partners and Affiliates [Member]
Issuance of units related to acquisitions			181,170
Prologis, L.P. [Member] | Other Acquisitions [Member]
Issuance of units related to acquisitions			371,570
Prologis, L.P. [Member] | Non-controlling Interests [Member]
Beginning balance	3,072,469	3,320,227	1,159,901
Consolidated net earnings	63,620	48,307	44,950
Capital contributions	254,214		2,355,596
Purchase of noncontrolling interests	(587,976)
Conversion of limited partners units	(28,973)
Foreign currency translation gains (losses), net	49,278	12,601	(32,862)
Distributions and other	(162,390)	(308,666)	(207,358)
Ending balance	2,660,242	3,072,469	3,320,227
Prologis, L.P. [Member] | Preferred [Member] | General Partner
Beginning balance	$ 78,235	$ 78,235	$ 78,235
Beginning balance, Units	1,565	1,565	1,565
Ending balance	$ 68,948	$ 78,235	$ 78,235
Ending balance, Units	1,379	1,565	1,565
Repurchase of preferred stock	$ (9,287)
Redemption of preferred units, units	(186)
Prologis, L.P. [Member] | Common [Member]
Redemption of limited partnership units, Unit	(1,500)	(1,900)
Conversion of limited partners units, shares	700	1,900
Prologis, L.P. [Member] | Common [Member] | General Partner
Beginning balance	$ 14,912,846	$ 14,589,700	$ 13,897,274
Beginning balance, Units	528,671	524,512	509,498
Consolidated net earnings	$ 1,652,325	$ 1,209,932	$ 869,439
Effect of equity compensation plans	$ 74,526	$ 91,214	$ 57,469
Effect of equity compensation plans, shares	2,000	2,282	1,475
Issuance of units in exchange for contribution of equity offering proceeds			$ 71,548
Issuance of units in exchange for contributions of equity offering proceeds share			1,662
Issuance of stock upon conversion of exchangeable debt			$ 502,732
Issuance of stock upon conversion of exchangeable debt, shares			11,872
Purchase of noncontrolling interests	$ (202,040)
Conversion of limited partners units	$ 47,726	$ 52,256
Conversion of limited partners units, shares	1,515	1,877
Foreign currency translation gains (losses), net	$ 13,810	$ (144,730)	$ (173,852)
Unrealized gains (losses) on derivative contracts, net	22,005	(1,314)	(17,240)
Reallocation of capital	(12,143)	8,657	186,918
Distributions and other	(942,950)	(892,869)	$ (804,588)
Distributions and other			5
Ending balance	$ 15,562,210	$ 14,912,846	$ 14,589,700
Ending balance, Units	532,186	528,671	524,512
Repurchase of preferred stock	$ (3,895)
Prologis, L.P. [Member] | Common [Member] | Limited Partners [Member]
Beginning balance	$ 150,173	$ 186,683	$ 48,189
Beginning balance, Units	5,323	6,711	1,767
Consolidated net earnings	$ 18,372	$ 14,232	$ 7,733
Effect of equity compensation plans	$ 41,446	$ 26,483	$ 26,234
Effect of equity compensation plans, shares	1,386	440	303
Issuance of units related to acquisitions		$ 3,162
Issuance of units related to acquisition, shares		71
Redemption of limited partnership units	$ (23,831)
Redemption of limited partnership units, Unit	(369)
Conversion of limited partners units	$ (18,753)	$ (52,256)
Conversion of limited partners units, shares	(684)	(1,877)
Foreign currency translation gains (losses), net	$ 146	$ (1,457)	$ (1,520)
Unrealized gains (losses) on derivative contracts, net	234	(13)	(151)
Reallocation of capital	11,829	(12,414)	(70,965)
Distributions and other	(14,215)	$ (14,247)	$ (10,541)
Distributions and other		(22)	(16)
Ending balance	$ 165,401	$ 150,173	$ 186,683
Ending balance, Units	5,656	5,323	6,711
Prologis, L.P. [Member] | Common [Member] | Limited Partners [Member] | KTR Capital Partners and Affiliates [Member]
Issuance of units related to acquisitions			$ 181,170
Issuance of units related to acquisition, shares			4,500
Prologis, L.P. [Member] | Common [Member] | Limited Partners [Member] | Other Acquisitions [Member]
Issuance of units related to acquisitions			$ 6,534
Issuance of units related to acquisition, shares			157
Prologis, L.P. [Member] | Class A Common [Member] | Limited Partners [Member]
Beginning balance	$ 244,417	$ 245,991
Beginning balance, Units	8,894	8,894
Consolidated net earnings	$ 26,642	$ 20,069	$ 3,393
Foreign currency translation gains (losses), net	221	(2,372)	(667)
Unrealized gains (losses) on derivative contracts, net	352	(22)	(66)
Reallocation of capital	314	3,757	(115,953)
Distributions and other	(23,006)	(23,006)	(5,752)
Ending balance	$ 248,940	$ 244,417	$ 245,991
Ending balance, Units	8,894	8,894	8,894
Prologis, L.P. [Member] | Class A Common [Member] | Limited Partners [Member] | Other Acquisitions [Member]
Issuance of units related to acquisitions			$ 365,036
Issuance of units related to acquisition, shares			8,894