Earnings Per Common Share or Unit - Computation of Basic and Diluted Earnings Per Share or Unit (Parenthetical) (Detail) - shares shares in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Summary Of Computation Of Basic And Diluted Earnings Per Share [Line Items]
Total weighted average potential dilutive shares and units outstanding	26,928	28,221
Prologis, L.P. [Member]
Summary Of Computation Of Basic And Diluted Earnings Per Share [Line Items]
Total weighted average potentially dilutive Class A Units	7,999	8,062
Total weighted average potentially dilutive other limited partnership units	299	299
Total weighted average potentially dilutive equity awards	5,839	7,179
Total weighted average potential dilutive shares and units outstanding	14,137	15,540
Total weighted average potential dilutive common limited partnership units	12,791	12,681