1.0.0.3 false Entity Information (USD $) false 1 $ false false Unit_1 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 Unit_2 Standard http://www.xbrl.org/2003/instance pure xbrli 0 Unit_3 Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 Unit_4 Standard http://www.xbrl.org/2003/instance shares xbrli 0 false 2 $ false false Unit_4 Standard http://www.xbrl.org/2003/instance shares xbrli 0 4 Entity Information [Line Items] 2 dei_EntityInformationLineItems dei false na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false No definition available. false 5 Entity Registrant Name 3 dei_EntityRegistrantName dei false na duration normalizedstring No definition available. false false false false false false false false false 1 false false 0 0 Public Storage Public Storage false false 2 false false 0 0 false false No definition available. No authoritative reference available. false 6 Entity Central Index Key 3 dei_EntityCentralIndexKey dei false na duration na No definition available. false false false false false false false false false 1 false false 0 0 0001393311 0001393311 false false 2 false false 0 0 false false No definition available. No authoritative reference available. false 7 Current Fiscal Year End Date 3 dei_CurrentFiscalYearEndDate dei false na duration monthday No definition available. false false false false false false false false false 1 false false 0 0 --12-31 --12-31 false false 2 false false 0 0 false false No definition available. No authoritative reference available. false 8 Entity Well-known Seasoned Issuer 3 dei_EntityWellKnownSeasonedIssuer dei false na duration na No definition available. false false false false false false false false false 1 false false 0 0 Yes Yes false false 2 false false 0 0 false false No definition available. No authoritative reference available. false 9 Entity Voluntary Filers 3 dei_EntityVoluntaryFilers dei false na duration na No definition available. false false false false false false false false false 1 false false 0 0 No No false false 2 false false 0 0 false false No definition available. No authoritative reference available. false 10 Entity Current Reporting Status 3 dei_EntityCurrentReportingStatus dei false na duration na No definition available. false false false false false false false false false 1 false false 0 0 Yes Yes false false 2 false false 0 0 false false No definition available. No authoritative reference available. false 11 Entity Filer Category 3 dei_EntityFilerCategory dei false na duration na No definition available. false false false false false false false false false 1 false false 0 0 Large Accelerated Filer Large Accelerated Filer false false 2 false false 0 0 false false No definition available. No authoritative reference available. false 12 Entity Public Float 3 dei_EntityPublicFloat dei false credit instant monetary No definition available. false false false false false false false false false 1 true true 10093560000 10093560000 false false 2 false false 0 0 false false No definition available. No authoritative reference available. false 14 Entity Listings [Line Items] 2 dei_EntityListingsLineItems dei false na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false No definition available. false 15 Entity Common Stock, Shares Outstanding 3 dei_EntityCommonStockSharesOutstanding dei false na instant shares No definition available. false false false false false false false false false 1 false false 0 0 false false 2 false true 169539239 169539239 false false No definition available. No authoritative reference available. false false 2 11 false NoRounding NoRounding UnKnown false true