Long-Term Compensation - Performance Pool awarded (Parenthetical) (Detail) - Prologis Out-Performance Plan [Member] $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($)
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Performance Period	3 years
2017 - 2019 Performance Period [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Cash incentive award maximum	$ 75
Performance Period	3 years