Class of Stock [Domain] Class of Stock [Domain] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Depositary Shares, Each Representing 1/1,000 of a 3.950% Cum Pref Share, Series Q, $0.01 par value Series Q Preferred Stock [Member] Series Q Preferred Stock Depositary Shares, Each Representing 1/1,000 of a 4.875% Cum Pref Share, Series I, $0.01 par value Series I Preferred Stock [Member] Series I Preferred Stock Class of Stock [Axis] Class of Stock [Axis] Security Exchange Name Security Exchange Name Depositary Shares, Each Representing 1/1,000 of a 3.900% Cum Pref Share, Series O, $0.01 par value Series O Preferred Stock [Member] Series O Preferred Stock Entity Address, City or Town Entity Address, City or Town Soliciting Material Soliciting Material Cover [Abstract] Guarantee of 0.500% Senior Notes due 2030 issued by Public Storage Operating Company Guarantee Notes Due 2030 [Member] Guarantee Notes Due 2030 City Area Code City Area Code Common Shares, $0.10 par value Common Stock [Member] Depositary Shares, Each Representing 1/1,000 of a 4.750% Cum Pref Share, Series K, $0.01 par value Series K Preferred Stock [Member] Series K Preferred Stock Amendment Flag Amendment Flag Entity Tax Identification Number Entity Tax Identification Number Trading Symbol Trading Symbol Entity Registrant Name Entity Registrant Name Pre-commencement Tender Offer Pre-commencement Tender Offer Depositary Shares, Each Representing 1/1,000 of a 5.150% Cum Pref Share, Series F, $0.01 par value Series F Preferred Stock [Member] Depositary Shares, Each Representing 1/1,000 of a 4.000% Cum Pref Share, Series R, $0.01 par value Series R Preferred Stock [Member] Series R Preferred Stock Depositary Shares, Each Representing 1/1,000 of a 4.125% Cum Pref Share, Series M, $0.01 par value Series M Preferred Stock [Member] Series M Preferred Stock Entity Emerging Growth Company Entity Emerging Growth Company Depositary Shares, Each Representing 1/1,000 of a 4.000% Cum Pref Share, Series P, $0.01 par value Series P Preferred Stock [Member] Series P Preferred Stock Entity Central Index Key Entity Central Index Key Entity File Number Entity File Number Entity Address, State or Province Entity Address, State or Province Guarantee of 0.875% Senior Notes due 2032 issued by Public Storage Operating Company Guarantee Notes Due 2032 [Member] Guarantee Notes Due 2032 Depositary Shares, Each Representing 1/1,000 of a 5.600% Cum Pref Share, Series H, $0.01 par value Series H Preferred Stock [Member] Pre-commencement Issuer Tender Offer Pre-commencement Issuer Tender Offer Entity Address, Address Line One Entity Address, Address Line One Document Information [Line Items] Document Information [Line Items] Document Information [Table] Document Information [Table] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Written Communications Written Communications Depositary Shares, Each Representing 1/1,000 of a 4.700% Cum Pref Share, Series J, $0.01 par value Series J Preferred Stock [Member] Series J Preferred Stock Local Phone Number Local Phone Number Depositary Shares, Each Representing 1/1,000 of a 5.050% Cum Pref Share, Series G, $0.01 par value Series G Preferred Stock [Member] Title of 12(b) Security Title of 12(b) Security Depositary Shares, Each Representing 1/1,000 of a 4.100% Cum Pref Share, Series S, $0.01 par value Series S Preferred Stock [Member] Series S Preferred Stock Depositary Shares, Each Representing 1/1,000 of a 3.875% Cum Pref Share, Series N, $0.01 par value Series N Preferred Stock [Member] Series N Preferred Stock Document Period End Date Document Period End Date Document Type Document Type Depositary Shares, Each Representing 1/1,000 of a 4.625% Cum Pref Share, Series L, $0.01 par value Series L Preferred Stock [Member] Series L Preferred Stock Guarantee of 3.500% Senior Notes due 2034 issued by Public Storage Operating Company Guarantee Notes Due 2034 [Member] Guarantee Notes Due 2034