Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2019	Jul. 17, 2019
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2019
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q2
Trading Symbol	PLD
Entity Registrant Name	Prologis, Inc.
Entity Central Index Key	0001045609
Entity Current Reporting Status	Yes
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Common Stock, Shares Outstanding		631,129,000
Entity Shell Company	false
Entity File Number	001-13545
Entity Address, Address Line One	Pier 1, Bay 1
Entity Address, City or Town	San Francisco
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	94111
Entity Tax Identification Number	943281941
City Area Code	415
Local Phone Number	394-9000