Organization And Description Of Business (Narrative) (Details) shares in Millions	6 Months Ended
	Jun. 30, 2020 ft² item property state shares
Organization And Description Of Business [Line Items]
The Company's ownership percentage of the limited partnership	79.00%
Number of Units in Multi-Family Asset | property	395
Owned and operated properties (in rentable square feet) | ft²	27,500,000
Number of states with rentable commercial space | state	6
Number of parks | item	97
Number of buildings | item	674
Managed properties (in rentable square feet) | ft²	438,000
PS [Member]
Organization And Description Of Business [Line Items]
Affiliate's percent ownership of the Company's common equity	41.60%
Shares owned by Public Storage | shares	7.2
Aggregate shares owned if partnership units are redeemed | shares	14.5
Investment in Joint Venture [Member]
Organization And Description Of Business [Line Items]
Economic interest in joint venture, percentage	95.00%