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