Consolidated Statements of Capital - USD ($) shares in Thousands, $ in Thousands	3 Months Ended				12 Months Ended
	Dec. 31, 2019	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Consolidated net earnings	$ 426,242	$ 373,765	$ 690,490	$ 391,959	$ 1,701,846	$ 1,822,960	$ 1,760,959
Effect of equity compensation plans					104,709	85,775	115,972
Capital contributions					11,604	181,866	254,214
Repurchase of preferred units							(13,182)
Purchase of noncontrolling interests					(13,250)		(813,847)
Redemption of noncontrolling interests					(108,433)	(75,920)
Contribution to Brazil venture					(12,630)
Unrealized gains (losses) on derivative contracts, net					(1,335)	(1,323)	22,591
Noncontrolling Interests [Member]
Consolidated net earnings					128,887	173,599	108,634
Effect of equity compensation plans					67,691	52,219	41,446
Capital contributions					11,604	181,866	254,214
Purchase of noncontrolling interests					(15,383)		(611,807)
Redemption of noncontrolling interests					(141,323)	(64,663)
Contribution to Brazil venture					(12,630)
Unrealized gains (losses) on derivative contracts, net					$ (36)	$ (38)	586
Limited Partners [Member]
Consolidated net earnings	$ 426,242	$ 373,765	$ 690,490	391,959
Class A Common [Member]
Beginning balance, Units		8,800			8,800
Conversion of limited partners units, units					8,100	8,400
Ending balance, Units	8,600		8,800		8,600	8,800
Prologis, L.P. [Member]
Beginning balance		$ 25,800,888		18,705,741	$ 25,800,888	$ 18,705,741	18,458,140
Consolidated net earnings					1,701,846	1,822,960	1,760,959
Effect of equity compensation plans					104,709	85,775	115,972
DCT Transaction, net of issuance costs						6,620,721
Capital contributions					11,604	181,866	254,214
Repurchase of preferred units						(22,728)	(13,182)
Purchase of noncontrolling interests					(13,250)		(790,016)
Redemption of noncontrolling interests					(21,093)
Redemption of limited partnership units					(87,340)	(53,192)	(23,831)
Contribution to Brazil venture					(12,630)
Foreign currency translation gains (losses), net					98,482	(190,590)	63,455
Unrealized gains (losses) on derivative contracts, net					(1,335)	(1,323)	22,591
Distributions ($2.12 per common unit for twelve months ended December 31, 2019 , $1.92 per common unit for twelve months ended December 31, 2018, $1.76 per common unit for twelve months ended December 31, 2017 ) and other					(1,510,097)	(1,348,342)	(1,142,561)
Ending balance	$ 26,071,784		$ 25,800,888		26,071,784	25,800,888	18,705,741
Prologis, L.P. [Member] | Noncontrolling Interests [Member]
Beginning balance		2,836,469		2,660,242	2,836,469	2,660,242	3,072,469
Consolidated net earnings					82,222	124,712	63,620
DCT Transaction, net of issuance costs						64,620
Capital contributions					11,604	181,866	254,214
Repurchase of preferred units						(11,471)
Purchase of noncontrolling interests					(15,383)		(587,976)
Redemption of noncontrolling interests					(13,048)
Conversion of limited partners units							(28,973)
Contribution to Brazil venture					(12,630)
Foreign currency translation gains (losses), net					188	(3,416)	49,278
Distributions ($2.12 per common unit for twelve months ended December 31, 2019 , $1.92 per common unit for twelve months ended December 31, 2018, $1.76 per common unit for twelve months ended December 31, 2017 ) and other					(114,028)	(180,084)	(162,390)
Ending balance	2,775,394		2,836,469		2,775,394	2,836,469	2,660,242
Prologis, L.P. [Member] | Preferred [Member] | General Partner
Beginning balance		$ 68,948		$ 68,948	$ 68,948	$ 68,948	$ 78,235
Beginning balance, Units		1,379		1,379	1,379	1,379	1,565
Repurchase of preferred units							$ (9,287)
Redemption of preferred units, units							(186)
Ending balance	$ 68,948		$ 68,948		$ 68,948	$ 68,948	$ 68,948
Ending balance, Units	1,379		1,379		1,379	1,379	1,379
Prologis, L.P. [Member] | Common [Member] | General Partner
Beginning balance		$ 22,229,145		$ 15,562,210	$ 22,229,145	$ 15,562,210	$ 14,912,846
Beginning balance, Units		629,616		532,186	629,616	532,186	528,671
Consolidated net earnings					$ 1,572,959	$ 1,649,361	$ 1,652,325
Effect of equity compensation plans					$ 37,018	$ 33,556	$ 74,526
Effect of equity compensation plans, units					961	1,251	2,000
DCT Transaction, net of issuance costs						$ 6,322,629
DCT Transaction, net of issuance costs, units						96,179
Repurchase of preferred units						$ (11,257)	$ (3,895)
Purchase of noncontrolling interests					$ 2,133		(202,040)
Redemption of noncontrolling interests					(8,045)
Redemption of limited partnership units					$ 40,935
Redemption of limited partners units, units					1,220
Conversion of limited partners units							$ 47,726
Conversion of limited partners units, units							1,515
Foreign currency translation gains (losses), net					$ 95,572	(181,728)	$ 13,810
Unrealized gains (losses) on derivative contracts, net					(1,299)	(1,285)	22,005
Reallocation of capital					(38,561)	(20,849)	(12,143)
Distributions ($2.12 per common unit for twelve months ended December 31, 2019 , $1.92 per common unit for twelve months ended December 31, 2018, $1.76 per common unit for twelve months ended December 31, 2017 ) and other					(1,345,678)	(1,123,492)	(942,950)
Ending balance	$ 22,584,179		$ 22,229,145		$ 22,584,179	$ 22,229,145	$ 15,562,210
Ending balance, Units	631,797		629,616		631,797	629,616	532,186
Prologis, L.P. [Member] | Common [Member] | Limited Partners [Member]
Beginning balance		$ 371,281		$ 165,401	$ 371,281	$ 165,401	$ 150,173
Beginning balance, Units		10,516		5,656	10,516	5,656	5,323
Consolidated net earnings					$ 26,211	$ 24,422	$ 18,372
Effect of equity compensation plans					$ 67,691	$ 52,219	$ 41,446
Effect of equity compensation plans, units					1,525	2,087	1,386
DCT Transaction, net of issuance costs						$ 233,472
DCT Transaction, net of issuance costs, units						3,551
Redemption of limited partnership units					$ (120,387)	$ (50,390)	$ (23,831)
Redemption of limited partners units, units					(2,108)	(778)	(369)
Conversion of limited partners units							$ (18,753)
Conversion of limited partners units, units							(684)
Foreign currency translation gains (losses), net					$ 1,502	$ (3,035)	$ 146
Unrealized gains (losses) on derivative contracts, net					(19)	(21)	234
Reallocation of capital					36,603	(28,969)	11,829
Distributions ($2.12 per common unit for twelve months ended December 31, 2019 , $1.92 per common unit for twelve months ended December 31, 2018, $1.76 per common unit for twelve months ended December 31, 2017 ) and other					(27,806)	(21,818)	(14,215)
Ending balance	$ 355,076		$ 371,281		$ 355,076	$ 371,281	$ 165,401
Ending balance, Units	9,933		10,516		9,933	10,516	5,656
Prologis, L.P. [Member] | Class A Common [Member] | Limited Partners [Member]
Beginning balance		$ 295,045		$ 248,940	$ 295,045	$ 248,940	$ 244,417
Beginning balance, Units		8,849		8,894	8,849	8,894	8,894
Consolidated net earnings					$ 20,454	$ 24,465	$ 26,642
Redemption of limited partnership units					$ (7,888)	$ (2,802)
Redemption of limited partners units, units					(236)	(45)
Foreign currency translation gains (losses), net					$ 1,220	$ (2,411)	221
Unrealized gains (losses) on derivative contracts, net					(17)	(17)	352
Reallocation of capital					1,958	49,818	314
Distributions ($2.12 per common unit for twelve months ended December 31, 2019 , $1.92 per common unit for twelve months ended December 31, 2018, $1.76 per common unit for twelve months ended December 31, 2017 ) and other					(22,585)	(22,948)	(23,006)
Ending balance	$ 288,187		$ 295,045		$ 288,187	$ 295,045	$ 248,940
Ending balance, Units	8,613		8,849		8,613	8,849	8,894