San Francisco San Francisco [Member] San Francisco Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Award Timing Predetermined Award Timing Predetermined [Flag] Cash and equivalents, including restricted cash at beginning of the period: Cash Equivalents And Restricted Cash At Beginning Of Period [Abstract] Cash, equivalents, and restricted cash at beginning of period [Abstract] Indefinite-lived Intangible Assets [Axis] Indefinite-Lived Intangible Assets [Axis] Entity File Number Entity File Number Paid-in Capital Additional Paid-in Capital [Member] Tax Credits Effective Income Tax Rate Reconciliation, Tax Credit, Amount Tabular List, Table Tabular List [Table Text Block] Joseph D. Fisher Joseph D. Fisher [Member] Joseph D. Fisher Recently Adopted Accounting Standards and Recent Accounting Pronouncements Not Yet Adopted New Accounting Pronouncements, Policy [Policy Text Block] Boise Boise [Member] Boise Performance target (in percent) Share-Based Compensation Arrangement By Share-based Payment Award, Options, Grants In Period, Performance Target Share-Based Compensation Arrangement By Share-based Payment Award, Options, Grants In Period, Performance Target Notes due August 1, 2053 Notes Due August 1, 2053 [Member] Notes Due August 1, 2053 Construction or expansion of real estate facilities Construction in Progress Expenditures Incurred but Not yet Paid PSA number of self-storage facilities Direct And Indirect Interest Self Storage Facilities Number of self-storage facilities direct and indirect interest. Trademark License License [Member] Adjustment to Compensation: Adjustment to Compensation [Axis] Related Party Transactions Related Party Transactions Disclosure [Text Block] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Deferred Stock Units (DSUs) Deferred Stock Units (DSUs) [Member] Deferred Stock Units (DSUs) Granted DSUs (in shares) Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Settled In Common Shares Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Settled In Common Shares Gross Carrying Amount, Buildings SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount Richmond Richmond [Member] Richmond Schedule of Stock by Class [Table] Stock, Class of Stock [Table] Greensboro Greensboro [Member] Greensboro Schedule of Indefinite-Lived Intangible Assets [Table] Intangible Asset, Indefinite-Lived [Table] Affirmative vote of outstanding shares of all Preferred Shares, voting as a single class, required to issue shares ranking senior to Preferred Shares (in percent) Affirmative Vote of Outstanding Shares of all Preferred Shares, Voting as a Single Class, Required to Issue Shares Ranking Senior to Preferred Shares, Percent Affirmative Vote of Outstanding Shares of all Preferred Shares, Voting as a Single Class, Required to Issue Shares Ranking Senior to Preferred Shares, Percent Adjustment to Compensation, Amount Adjustment to Compensation Amount Credit Facility Credit Facility [Text Block] Credit Facility [Text Block] Unamortized Costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Other assets Increase (Decrease) in Other Operating Assets Consolidation and Equity Method of Accounting Consolidation, Policy [Policy Text Block] Tampa Tampa [Member] Tampa Share-based compensation expense Share-Based Payment Arrangement, Noncash Expense Restricted share units and unvested LTIP units Allocation Of Net Income To Restricted Share Units And Unvested LTIP Units Income allocation to holders of restricted share units. Employee Stock Option Share-Based Payment Arrangement, Option [Member] Notes receivable Financing Receivable, after Allowance for Credit Loss Land cost transferred Real Estate, Land Cost Transferred Real Estate, Land Cost Transferred Percent Effective Income Tax Rate Reconciliation, Percent [Abstract] Commercial and non-operating real estate Commercial And Non-Operating Real Estate [Member] Commercial And Non-Operating Real Estate Total Public Storage shareholders’ equity Equity, Attributable to Parent Insider Trading Policies and Procedures [Line Items] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Issuance of preferred shares (in shares) Stock Issued During Period, Shares, New Issues Noncontrolling Interest [Line Items] Noncontrolling Interest [Line Items] Net rentable area developed or expanded Net Rentable Area Developed Or Expanded Net Rentable Area Developed Or Expanded LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Cover [Abstract] Cover [Abstract] Maximum Maximum [Member] Schedule of Real Estate Activities Activity In Real Estate Facilities [Table Text Block] Activity In Real Estate Facilities [Text Block] Number of options exercisable (in USD per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Real estate facilities, at cost: Real Estate Investment Property, Net [Abstract] Annual base salary Salary and Wage, Officer, Excluding Cost of Good and Service Sold Allocation to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Share repurchase program, remaining authorized, number of shares (in shares) Share Repurchase Program, Remaining Authorized, Number of Shares San Antonio San Antonio [Member] San Antonio Total Finite-Lived Intangible Assets, Net Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, by Property [Table] SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, by Property [Table] Debt Instrument [Line Items] Debt Instrument [Line Items] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Costs Subsequent to Acquisition SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost Indirect cost of operations Indirect Cost Of Operations Indirect Cost Of Operations Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Debt instrument, extension fee maximum, Commitment (in percent) Debt Instrument, Extension Fee Maximum, Percentage Of Commitment Debt Instrument, Extension Fee Maximum, Percentage Of Commitment Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Performance-Based RSUs Performance-Based Restricted Stock Units (RSUs) [Member] Performance-Based Restricted Stock Units (RSUs) Notes Due 2032 Guarantee Notes Due 2032 [Member] Guarantee Notes Due 2032 [Member] Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Net proceeds from offering Proceeds from Issuance of Debt Accumulated Deficit, NCI Portion Retained Earnings, NCI Portion [Member] Retained Earnings, NCI Portion Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Operating Segments Operating Segments [Member] Share-based compensation cost capitalized Share-Based Payment Arrangement, Amount Capitalized Common shares issued upon vesting (in shares) Common Stock Shares Issued Upon Vesting Common Stock Shares Issued Upon Vesting Allocation to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Restructuring Reserve, Beginning Balance Restructuring Reserve, Ending Balance Restructuring Reserve San Diego San Diego [Member] San Diego Number of countries in which entity operates Number of Countries in which Entity Operates Schedule of Share-Based Compensation Expense Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Proceeds allocated to the sale of the property Proceeds Allocated To The Sale Of The Property Proceeds Allocated To The Sale Of The Property Document Fiscal Period Focus Document Fiscal Period Focus Notes Receivable Receivable [Policy Text Block] Goodwill and other intangible assets, net Net Book Value Intangible Assets, Net (Including Goodwill) Memphis Memphis [Member] Memphis Award Timing Method Award Timing Method [Text Block] Performance-Based AO LTIP Units Performance-Based AO LTIP Units [Member] Performance-Based AO LTIP Units Award Type [Axis] Award Type [Axis] Disposal of Real Estate Facilities Disposal Of Real Estate Facilities [Member] Disposal of Real Estate Facilities [Member] Equity Method Investee, Name [Domain] Investment, Name [Domain] Share-Based Compensation Share-Based Payment Arrangement [Policy Text Block] Trading Symbol Trading Symbol Various lease commitments 2029 Lessee, Operating Lease, Liability, to be Paid, Year Four Ordinary Dividends Distributions Classification Percentage Ordinary Dividends Distributions Classification Percentage Ordinary Dividends Changes in Valuation Allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Schedule of Intangible Assets and Goodwill Schedule of Intangible Assets and Goodwill [Table Text Block] Issuance of common shares in connection with share-based compensation (in shares) Employee stock-based compensation and exercise of stock options (Note 12) (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Capital expenditures to maintain real estate facilities Real Estate Investment Property At Cost, Capital Expenditures To Maintain Real Estate Facilities Real Estate Investment Property At Cost, Capital Expenditures To Maintain Real Estate Facilities Entity Address, City or Town Entity Address, City or Town Net rentable area acquired (in Sq.ft) Net Rentable Area Acquired Net Rentable Area Acquired Service-Based Service-Based Stock Options And AO LTIP Units [Member] Service-Based Stock Options And AO LTIP Units Class of Financing Receivable [Axis] Class of Financing Receivable [Axis] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Restricted Share Units Restricted Stock Units (RSUs) [Member] Income Statement Location [Domain] Statement of Income Location, Balance [Domain] Series P Preferred Stock Series P Series P Preferred Stock [Member] Outstanding nonredeemable series P preferred stock or outstanding series P preferred stock. Classified within stockholders' equity if nonredeemable or redeemable solely at the option of the issuer. Classified within temporary equity if redemption is outside the control of the issuer. Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Maximum aggregate sales price of the "at the market" offering program Maximum Aggregate Sales Price Of The "At The Market" Offering Program Maximum Aggregate Sales Price Of The "At The Market" Offering Program Entity Emerging Growth Company Entity Emerging Growth Company 2028 Long-Term Debt, Maturity, Year Three Payments to acquire intangible assets Payments to Acquire Intangible Assets Number of Awards, beginning balance (in shares) Number of Awards, ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Unfunded Loan Commitment Unfunded Loan Commitment [Member] New Orleans New Orleans [Member] New Orleans Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Indefinite-lived intangible assets Indefinite-Lived Intangible Assets (Excluding Goodwill) Public Storage Parent Public Storage Parent [Member] Public Storage Parent Chief Executive Officer Chief Executive Officer [Member] Series Q Preferred Stock Series Q Series Q Preferred Stock [Member] Series Q Preferred Stock Class of Financing Receivable [Domain] Class of Financing Receivable [Domain] Reallocation of equity Adjustments To Additional Paid In Capital, Reallocation Of Equity Adjustments To Additional Paid In Capital, Reallocation Of Equity Change in valuation allowance Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Performance Target, Stock Options Performance Target Stock Options [Member] Performance Target, Stock Options [Member] Initial Cost, Building & Improvements SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Raleigh Raleigh [Member] Raleigh Performance-Based LTIP Units Performance-Based LTIP Units [Member] Performance Target, Restricted Share Units [Member] Schedule of Finite-Lived Intangible Assets, Future Amortization Expense Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Number of Awards Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Effective Rate Debt Instrument, Interest Rate, Effective Percentage Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Income tax (provision) benefit Income tax provision (benefit) and effective tax rate Income Tax Expense (Benefit) Interest rate spread (in percent) Interest rate spread (in percent) Debt Instrument, Basis Spread on Variable Rate Total shares Stockholders' Equity, Period Increase (Decrease) Other assets Other Assets Salt Lake City Salt Lake City [Member] Salt Lake City Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Number of states with self-storage facilities to be acquired Number Of States With Self-Storage Facilities To Be Acquired Number Of States With Self-Storage Facilities To Be Acquired St. Louis St. Louis [Member] St. Louis Earliest Redemption Date Preferred Stock, Redemption Date Corporate Transformation Costs Restructuring and Related Activities Disclosure [Text Block] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Acquisition of BREIT Simply Storage LLC, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Preferred shareholders Preferred Stock Dividends, Income Statement Impact SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation Disclosure [Abstract] Proceed from issuance of commons shares for cash, net Proceed from Issuance Of Commons Shares For Cash, Net Proceed from Issuance Of Commons Shares For Cash, Net Restricted share units outstanding (in shares) Unvested awards outstanding, beginning balance (in shares) Unvested awards outstanding, ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Third-party limit for insurance coverage claims paid for individual event Third-Party Insurance Coverage For Claims Paid For Individual Event Limit The maximum amount of claims paid for individual events under our third-party insurance coverage. Compensation cost not yet recognized Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Market value Equity Method Investment, Quoted Market Value Net cash flows from operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Contributions by noncontrolling interests Contributions by noncontrolling interest Contributions by noncontrolling interests Flint Flint [Member] Flint Equity Method Investments and Joint Ventures [Abstract] Equity Method Investments and Joint Ventures [Abstract] Gross proceeds from sale of real estate Proceeds from Sale of Other Real Estate Estimated useful lives of buildings and improvements (in years) Property, Plant and Equipment, Useful Life Preferred stock, par value (in USD per share) Preferred Stock, Par or Stated Value Per Share Subsequent Event Subsequent Event [Member] Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Chattanooga Chattanooga [Member] Chattanooga Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Depreciation expense Depreciation Notes due February 15, 2026 Notes Due February 15, 2026 [Member] Notes Due February 15, 2026 [Member] Equity Components [Axis] Equity Components [Axis] Number of shares acquired on pro-rata (in shares) Number Of Shares Acquired Number Of Shares Acquired Joplin Joplin [Member] Joplin Standby Letters of Credit Standby Letters of Credit [Member] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Number of reportable segments Number of Reportable Segments Cash paid for taxes upon vesting in lieu of issuing common shares Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Share-Based Liabilities Paid Transfers, dispositions and retirements Accumulated Depreciation On Real Estate Investments Disposed The cumulative amount of expense recognized in prior periods for long-lived, physical assets disposed of during the current period. Interest and other income Interest and other income Interest and Other Income Entity Address, State or Province Entity Address, State or Province Dallas/Ft. Worth Dallas/Ft. Worth [Member] Dallas/Ft. Worth Net book value of real estate transaction Sale Leaseback Transaction, Net Book Value Individual: Individual [Axis] Gross Book Value Intangible Assets, Gross (Including Goodwill) Intangible Assets, Gross (Including Goodwill) Document Annual Report Document Annual Report Contributions by noncontrolling interests Proceeds from Noncontrolling Interests Providence Providence [Member] Providence Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Ancillary cost of operations Other Cost Of Operating Revenue [Member] Other Cost of Operating Revenue [Member] Repayments of long-term debt Repayments of Long-Term Debt Ownership interest of noncontrolling owners (less than) (in percent) Subsidiary, Ownership Percentage, Noncontrolling Owner Entity Interactive Data Current Entity Interactive Data Current Average remaining contractual lives (in years) Share-Based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Remaining Contractual Term Partnership units conversion ratio Partnership Units Conversion Ratio Partnership Units Conversion Ratio to Common Shares Stock Options and AO LTIP Units Stock Options And AO LTIP Units [Member] Stock Options And AO LTIP Units Baltimore Baltimore [Member] Baltimore Distributions to: Increase (Decrease) in Stockholders' Equity, Distributions [Abstract] Increase (Decrease) in Stockholders' Equity, Distributions Convertible partnership units (in shares) Convertible Partnership Units Convertible Partnership Units. Ownership [Domain] Ownership [Domain] Initial Cost, Land SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land Nontaxable REIT income Effective Income Tax Rate Reconciliation, Tax Credit, Nontaxable REIT Income, Percent Effective Income Tax Rate Reconciliation, Tax Credit, Nontaxable REIT Income, Percent Property taxes Property Taxes [Member] Property Taxes Notes due November 9, 2026 Notes Due November 9, 2026 [Member] Notes Due November 9, 2026 Entity Central Index Key Entity Central Index Key Real estate acquisition and development expense Real estate acquisition and development expense Real Estate Acquisition And Development Expense Real Estate Acquisition And Development Expense PEO Name PEO Name Schedule of Maturities of Notes Payable Schedule of Maturities of Long-Term Debt [Table Text Block] Revenues Revenue Revenues Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Total Equity Total Equity [Member] Total Equity Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Interest in real estate sold at fair value (in percent) Gain (Loss) on Sale, Percentage of Interest in Real Estate Sold at Fair Value Gain (Loss) on Sale, Percentage of Interest in Real Estate Sold at Fair Value Unrealized foreign currency exchange (gain) loss Unrealized Gain (Loss), Foreign Currency Transaction, after Tax Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Share-Based Payment Arrangement, Tranche One Share-Based Payment Arrangement, Tranche One [Member] Capital expenditures for property enhancements Capital Expenditures For Property Enhancements Capital Expenditures For Property Enhancements Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Allocation of net income to: Income Amounts Attributable to Parent, Disclosures [Abstract] Class of Stock [Domain] Class of Stock [Domain] Expected tax expense at statutory rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Non-Management Trustee Non-Management Trustee [Member] Non-Management Trustee Subsequent Event Type [Axis] Subsequent Event Type [Axis] 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Three Vesting [Domain] Vesting [Domain] Los Angeles Los Angeles [Member] Los Angeles Gross Book Value Finite-Lived Intangible Assets, Gross Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Cash received for sale of solar tax credits Cash Received For Sale Of Solar Tax Credits Cash Received For Sale Of Solar Tax Credits Number of states with facilities Number of States in which Entity Operates Entity Address, Address Line One Entity Address, Address Line One Modesto/Fresno/Stockton Modesto/Fresno/Stockton [Member] Modesto/Fresno/Stockton Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] Costs incurred to develop and expand real estate facilities Development In Process, Costs Incurred Development In Process, Costs Incurred Ownership [Axis] Ownership [Axis] Schedule of Preferred Shares Schedule of Stock by Class [Table Text Block] Conversion price per unit (in dollars per share) Conversion Of AO LTIP Units Per Unit Conversion Of AO LTIP Units Per Unit Miami Miami [Member] Miami Fair Value as of Grant Date Award Grant Date Fair Value Milwaukee Milwaukee [Member] Milwaukee Notes due on 2025, 2029, 2033, and 2053 Notes Due On July 25, 2025, January 15, 2029, August 1, 2033, And August 1, 2053 [Member] Notes Due On July 25, 2025, January 15, 2029, August 1, 2033, And August 1, 2053 Extinguishment of Debt [Line Items] Extinguishment of Debt [Line Items] Cincinnati Cincinnati [Member] Cincinnati Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Relationship to Entity [Domain] Title and Position [Domain] Total expenses Costs and Expenses Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Unrecognized compensation cost Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Tenant insurance program against claims, maximum amount Tenant Individual Insurance Limit Maximum The maximum individual limit amount offered under our tenant reinsurance program for goods stored by tenants at our self-storage facilities. Related Party Transaction [Line Items] Related Party Transaction [Line Items] Fair Value Long-Term Debt, Fair Value Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Counterparty Name [Domain] Counterparty Name [Domain] Various lease commitments 2027 Lessee, Operating Lease, Liability, to be Paid, Year Two Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Share-Based Payment Arrangement, Option, Valued With Monte-Carlo Simulation Method Share-Based Payment Arrangement, Option, Valued With Monte-Carlo Simulation Method [Member] Share-Based Payment Arrangement, Option, Valued With Monte-Carlo Simulation Method Non-PEO NEO Non-PEO NEO [Member] Stock options outstanding, aggregate intrinsic value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Net book value of real estate facilities securing notes payable Net Book Value Of Real Estate Facilities Securing Notes Payable The net book value for the real estate facilities secured by the mortgage note payable at the end of the reporting period. Amount of excess cash proceeds from sale Amount Of Excess Cash Proceeds From Sale Amount Of Excess Cash Proceeds From Sale Dividend Rate Preferred Stock, Dividend Rate, Percentage Notes due November 9, 2031 Notes Due November 9, 2031 [Member] Notes Due November 9, 2031 Award Type [Domain] Award Type [Domain] Parent, NCI Portion Parent, NCI Portion [Member] Parent, NCI Portion Various lease commitments 2026 Lessee, Operating Lease, Liability, to be Paid, Year One Noncontrolling interests Equity, Attributable to Noncontrolling Interest Equity Awards Adjustments Equity Awards Adjustments [Member] Cancelled (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Cancellations Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Cancellations Number of third-party self-storage facilities managed Number Of Third-Party Self-Storage Facilities Managed Number Of Third-Party Self-Storage Facilities Managed Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Capital expenditures to maintain real estate facilities Capital Expenditures To Maintain Real Estate Facilities Remaining Unpaid At Period End Capital Expenditures To Maintain Real Estate Facilities Remaining Unpaid At Period End Canada CANADA Compensation Amount Outstanding Recovery Compensation Amount Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Expected dividend yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Real Estate Facilities Real Estate Disclosure [Text Block] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] West Palm Beach West Palm Beach [Member] West Palm Beach Acquisitions Development In Process, Acquisitions Development In Process, Acquisitions Palm Springs Palm Springs [Member] Palm Springs Charlotte Charlotte [Member] Charlotte MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Senior Notes 4.375 Percent Due July 2030 Senior Notes 4.375 Percent Due July 2030 [Member] Senior Notes 4.375 Percent Due July 2030 Shankh S. Mitra Shankh S. Mitra [Member] Shankh S. Mitra Foreign tax expense Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent Award performance period (in years) Share-Based Compensation Arrangement By Share-Based Payment Award, Award Performance Period Share-Based Compensation Arrangement By Share-Based Payment Award, Award Performance Period Revenues: Revenues [Abstract] Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Kansas City Kansas City [Member] Kansas City Encumbrances SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances Notes due July 25, 2025 Notes Due July 25, 2025 [Member] Notes Due July 25, 2025 Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Goodwill, gross Goodwill, Gross 2026 Long-Term Debt, Maturity, Year One Sacramento Sacramento [Member] Sacramento 2030 Long-Term Debt, Maturity, Year Five Performance-Based (a) Performance Shares [Member] Equity method investment, transfer of carrying amount, real estate facilities Equity Method Investment, Transfer of Carrying Amount, Real Estate Facilities Equity Method Investment, Transfer of Carrying Amount, Real Estate Facilities Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Repairs and maintenance Repairs And Maintenance [Member] Repairs And Maintenance Other Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Amount Number of tranches Number of Tranches Number of Tranches Minimum Minimum [Member] Repayments of notes payable Repayments of Notes Payable Company Selected Measure Name Company Selected Measure Name Notes due January 15, 2029 Notes Due January 15, 2029 [Member] Notes Due January 15, 2029 Exchange rate Foreign Currency Exchange Rate Foreign exchange rate. Weighted Average Exercise or Conversion Price per Award Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Price [Roll Forward] Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Notes Receivable Notes Payable Debt Disclosure [Text Block] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Stockholders' Equity Note [Abstract] Stockholders' Equity Note [Abstract] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Share-Based Payment Arrangement, Tranche Two Share-Based Payment Arrangement, Tranche Two [Member] Diluted weighted average common shares outstanding (in shares) Denominator for dilutive net income per share - weighted average common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Diluted PSA OP Common Units PSA OP Common Units [Member] PSA OP Common Units Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Transfers, dispositions, and retirements, net Real Estate Investment Property At Cost, Transfers, Dispositions, And Retirements, Activities Real Estate Investment Property At Cost, Transfers, Dispositions, And Retirements, Activities Entity Small Business Entity Small Business No. of Facilities SEC Schedule, 12-28, Real Estate Companies, Investment In Real Estate, Number Of Facilities SEC Schedule, 12-28, Real Estate Companies, Investment In Real Estate, Number Of Facilities Income Tax Disclosure [Abstract] Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding Document Transition Report Document Transition Report Net rentable area (in square feet) Net Rentable Square Feet Net Rentable Area Underlying Securities Award Underlying Securities Amount Stock option granted for payout adjustments (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Granted For Payout Adjustments Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Granted For Payout Adjustments Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date Boston Boston [Member] Boston Income Taxes Income Tax Disclosure [Text Block] Cash and equivalents, including restricted cash at end of the period: Cash Equivalents And Restricted Cash At End Of Period [Abstract] Cash, equivalents, and restricted cash at end of period [Abstract] Affirmative vote of outstanding shares of a series of Preferred Shares required for any material and adverse amendment to the terms of series (in percent) Affirmative Vote of Outstanding Shares of a Series of Preferred Shares Required for any Material and Adverse Amendment to the Terms of Series, Percent Affirmative Vote of Outstanding Shares of a Series of Preferred Shares Required for any Material and Adverse Amendment to the Terms of Series, Percent Construction commitments Contractual Obligation Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Number of tenant certificate holders participating in insurance program, approximate Tenant Certificate Holders Participating Individual Insurance Program The number of certificate holders held by tenants at our self-storage facilities participating in our tenant insurance program at the end of the reporting period. Total equity Beginning balance Ending balance Equity, Including Portion Attributable to Noncontrolling Interest Document Type Document Type Net Income per Common Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Paid-in capital Additional Paid in Capital Other direct property costs Other Direct Property Costs [Member] Other Direct Property Costs Product and Service [Axis] Product and Service [Axis] Asset Acquisition [Domain] Asset Acquisition [Domain] Potential annual bonus amount Salary and Wage, Officer, Potential Annual Bonus Amount Salary and Wage, Officer, Potential Annual Bonus Amount Total cost of acquisition Asset Acquisition, Consideration Transferred Statistical Measurement [Axis] Statistical Measurement [Axis] Summary Of Significant Accounting Policies [Table] Summary Of Significant Accounting Policies [Table] Summary Of Significant Accounting Policies [Table] Issuance of notes receivable Payments to Acquire Notes Receivable Cancelled (in USD per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Schedule of Distribution Classification Schedule Of Distribution Classification [Table Text Block] Schedule Of Distribution Classification Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Disposal Group Name [Axis] Disposal Group Name [Axis] Aggregate exercise date intrinsic value of options and AO LTIP units exercised or converted during the year (in 000's) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value Taxes paid upon net share settlement of restricted share units Payment, Tax Withholding, Share-Based Payment Arrangement H. Thomas Boyle H. Thomas Boyle [Member] H. Thomas Boyle Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Net income allocable to common shareholders Numerator for basic and dilutive net income per common share – net income allocable to common shareholders Net Income (Loss) Available to Common Stockholders, Basic Hughes Owned Canadian Facilities Hughes Owned Canadian Facilities [Member] Hughes Owned Canadian Facilities Outstanding borrowings Long-Term Line of Credit Share-based Payment Arrangement, Expensed, Amount [Line Items] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Self-storage facilities Self-Storage Operations Reportable Segment Self Storage Operations [Member] Self-Storage Operations [Member] Redemption price per share (in USD per share) Preferred Stock, Redemption Price Per Share Schedule of Related Party Transactions, by Related Party [Table] Related Party Transaction [Table] Diluted (in USD per share) Earnings Per Share, Diluted Accrued and other liabilities Increase (Decrease) in Other Accrued Liabilities Supplemental schedule of non-cash investing and financing activities: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Preferred share dividends Dividends, Preferred Stock, Cash Capital expenditures for property enhancements Real Estate Investment Property At Cost, Capital Expenditures For Property Enhancements Real Estate Investment Property At Cost, Capital Expenditures For Property Enhancements Issuance of shares (in shares) Sale of Stock, Number of Shares Issued in Transaction Charleston Charleston [Member] Charleston SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items] SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items] Consolidation Items [Domain] Consolidation Items [Domain] Issuance of commons shares for cash (in shares) Issuance Of Commons Shares For Cash, Shares Issuance Of Commons Shares For Cash, Shares Auditor Location Auditor Location Investment in Unconsolidated Real Estate Entity Equity Method Investments and Joint Ventures Disclosure [Text Block] Notes due May 1, 2029 Notes Due May 1, 2029 [Member] Notes Due May 1, 2029 Number of quarterly dividends in arrearage before preferred shareholders can elect additional board members Cumulative Arrearage Of Quarterly Dividends Number of quarterly dividends in arrearage before preferred shareholders can elect additional board members. Noncontrolling Interest [Abstract] Noncontrolling Interest [Abstract] Syracuse Syracuse [Member] Syracuse Chief Financial Officer Chief Financial Officer [Member] Nontaxable REIT income Effective Income Tax Rate Reconciliation, Tax Credit, Nontaxable REIT Income, Amount Effective Income Tax Rate Reconciliation, Tax Credit, Nontaxable REIT Income, Amount Orlando/Daytona Orlando/Daytona [Member] Orlando/Daytona Amortization of basis differential Amortization of Equity Method Investment, Difference Between Carrying Amount and Underlying Equity Amortization of Equity Method Investment, Difference Between Carrying Amount and Underlying Equity Other Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Percent Cash paid for income taxes, net of refunds Income Taxes Paid, Net 2027 Finite-Lived Intangible Asset, Expected Amortization, Year Two Seattle/Tacoma Seattle/Tacoma [Member] Seattle/Tacoma Accrued and other liabilities Accrued Liabilities Principal Total debt Total debt Long-Term Debt, Gross Number of operating self-storage facilities acquired Number Of Operating Self Storage Facilities Acquired Number Of Operating Self Storage Facilities Acquired Granted (in USD per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Notes Receivable Notes Receivable [Member] Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Various lease commitments Lessee, Operating Lease, Liability, to be Paid Shares granted, value Shares Granted, Value, Share-Based Payment Arrangement, before Forfeiture Noncontrolling interests Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Trade Names Trade Names [Member] Common stock owned of Shurgard (in shares) Investment Owned, Balance, Shares Expiration Date Trading Arrangement Expiration Date Nashville/Bowling Green Nashville/Bowling Green [Member] Nashville/Bowling Green Accumulated Depreciation SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation 2030 Finite-Lived Intangible Asset, Expected Amortization, Year Five Tenants reinsurance premiums earned by subsidiaries Amounts of transaction Related Party Transaction, Amounts of Transaction Equity: Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Notes due January 24, 2032 Notes Due January 24, 2032 [Member] Notes Due January 24, 2032 [Member] Costs Restructuring Charges Average remaining contractual lives (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term Distributions paid to preferred shareholders, common shareholders, restricted share unitholders and unvested LTIP unitholders Payments of Capital Distribution Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Restructuring Cost [Table] Restructuring Cost [Table] Entity Current Reporting Status Entity Current Reporting Status Revenue and Expense Recognition Revenue And Expense Recognition [Policy Text Block] Revenue And Expense Recognition Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Schedule of Issuance of Common Shares Schedule Of Issuance Of Common Shares [Table Text Block] Schedule Of Issuance Of Common Shares Recruitment and Relocation Employee Relocation [Member] Expected tax expense at statutory rate Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Notes due November 3, 2025 Notes Due November 3, 2025 [Member] Notes Due November 2025 [Member] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Executive Category: Executive Category [Axis] Acquisition of non-operating real estate assets Payments To Acquire Non-Operating Real Estate Assets Payments To Acquire Non-Operating Real Estate Assets Repayments of debt Repayments of Debt State and local income taxes Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Developed or expanded facilities opened for operation Real Estate Investment Property At Cost, Newly Developed Facilities Opened For Operation Real Estate Investment Property At Cost, Newly Developed Facilities Opened For Operation Ownership interest (in percent) Limited Liability Company or Limited Partnership, Members or Limited Partners, Ownership Interest Interest expense Interest expense Interest Expense, Operating and Nonoperating Current Fiscal Year End Date Current Fiscal Year End Date Time from the valuation date to the end of the Performance Period Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Exchange rate translation Foreign Currency Exchange Rate, Translation Ancillary cost of operations Cost of operations Other Cost of Operating Revenue Self-storage cost of operations Direct Costs Of Leased And Rented Property Or Equipment [Member] Direct Costs of Leased and Rented Property or Equipment [Member] Honolulu Honolulu [Member] Honolulu Average estimated value of options and AO LTIP Units granted during the year Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Hartford/New Haven Hartford/New Haven [Member] Hartford/New Haven Developed or expanded facilities opened for operation Development In Process, Developed Or Redeveloped Facilities Opened For Operation Development In Process, Developed Or Redeveloped Facilities Opened For Operation Noncontrolling Interests Noncontrolling Interest Disclosure [Text Block] Series M Preferred Stock Series M Series M Preferred Stock [Member] Outstanding nonredeemable series M preferred stock or outstanding series M preferred stock. Classified within stockholders' equity if nonredeemable or redeemable solely at the option of the issuer. Classified within temporary equity if redemption is outside the control of the issuer. Distributions from cumulative equity in earnings of unconsolidated real estate entity Cash distribution received Proceeds from Equity Method Investment, Distribution Unrecognized tax benefits Unrecognized Tax Benefits Antidilutive securities excluded from computation of earnings per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 2027 Long-Term Debt, Maturity, Year Two Other Commitments [Table] Other Commitments [Table] Net cash flows used in financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Oklahoma City Oklahoma City [Member] Oklahoma City Santa Barbara Santa Barbara [Member] Santa Barbara Measure: Measure [Axis] Self-storage cost of operations Cost of operations: Direct Costs of Leased and Rented Property or Equipment Common stock dividends paid in aggregate Dividends And Distributions, Common Stock And Share-Based Payment Arrangement, Cash Dividends And Distributions, Common Stock And Share-Based Payment Arrangement, Cash Thereafter Finite-Lived Intangible Asset, Expected Amortization, after Year Five Derivative, fair value Derivative, Fair Value, Net Amount of preferred dividends in arrears Preferred Stock, Amount of Preferred Dividends in Arrears SCHEDULE III - REAL ESTATE AND ACCUMULATED DEPRECIATION SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation Disclosure [Text Block] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Risk-free interest rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Notes due May 1, 2028 Notes Due May 1, 2028 [Member] Notes due May 1, 2028 [Member] Transfer to Other Assets Development In Process, Transfer To Other Assets Development In Process, Transfer To Other Assets Amortization of debt issuance costs Amortization of Debt Issuance Costs Entity Tax Identification Number Entity Tax Identification Number Number of self-storage facilities acquired Number Of Self-Storage Facilities To Be Acquired Number Of Self-Storage Facilities To Be Acquired Minneapolis/St. Paul Minneapolis/St. Paul [Member] Minneapolis/St. Paul Tax Credits Effective Income Tax Rate Reconciliation, Tax Credit, Percent Asset Acquisition [Axis] Asset Acquisition [Axis] Trustees and Officers Trustees And Officers [Member] Trustees And Officers Number of self-storage facilities Number of Real Estate Properties Number of units, grantees earnings (in shares) Share-Based Payment Arrangement, Potential Earnings, Number Of LTIP Units Share-Based Payment Arrangement, Potential Earnings, Number Of LTIP Units Number of options outstanding, beginning balance (in USD per share) Number of options outstanding, ending balance (in USD per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Joseph D. Russell, Jr. Joseph D. Russell, Jr. [Member] Joseph D. Russell, Jr. Common stock, shares issued (in shares) Common Stock, Shares, Issued 2029 Long-Term Debt, Maturity, Year Four Goodwill and Other Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Entity Public Float Entity Public Float Trading Arrangement: Trading Arrangement [Axis] Total Shareholder Return Amount Total Shareholder Return Amount Real Estate, Type of Property [Axis] Real Estate, Type of Property [Axis] Security Exchange Name Security Exchange Name Construction commitments 2027 Contractual Obligation, to be Paid, Year Two Aggregate coverage of tenants participating in insurance program Aggregate Coverage Of Tenants Participating The aggregate coverage of tenant insurance under our tenant insurance program based on the number of certificate holders held by tenants at our self-storage facilities participating in our tenant insurance program at the end of the reporting period. Credit Facility borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Preferred shareholders Dividends, Preferred Stock Repurchase of common shares (in shares) Stock Repurchased During Period, Shares Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-Lived Intangible Assets, Major Class Name [Domain] Series I Preferred Stock Series I Series I Preferred Stock [Member] Outstanding nonredeemable series I preferred stock or outstanding series I preferred stock. Classified within stockholders' equity if nonredeemable or redeemable solely at the option of the issuer. Classified within temporary equity if redemption is outside the control of the issuer. Statement [Line Items] Statement [Line Items] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and equivalents Cash and equivalents Cash and equivalents Cash and Cash Equivalent Tucson Tucson [Member] Tucson Subsequent Event [Line Items] Subsequent Event [Line Items] Construction in process Beginning balance (Construction in process) Ending balance (Construction in process) Development in Process Common Shares Common Stock [Member] Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Accumulated depreciation Beginning balance (Accumulated depreciation) Ending balance (Accumulated depreciation) Real Estate Investment Property, Accumulated Depreciation Net (decrease) increase in cash and equivalents, including restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Net effect of dilutive stock options and AO LTIP units - based on treasury stock method (in shares) Weighted Average Number of Shares Outstanding, Diluted, Adjustment Optional extension period Debt Instrument, Optional Extension Period Debt Instrument, Optional Extension Period Basis of Presentation and Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Range [Domain] Statistical Measurement [Domain] Acquisition of noncontrolling interests Acquisition Of Nonredeemable Noncontrolling Interests In Subsidiaries Acquisition of redeemable noncontrolling interests in subsidiaries. Wichita Wichita [Member] Wichita Various lease commitments thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Five Dayton Dayton [Member] Dayton Related Party Transaction [Axis] Related Party Transaction [Axis] Real Estate [Domain] Real Estate [Domain] Adjusted EBTIDA to interest expense ratio Earnings Before Interest Taxes Depreciation And Amortization To Interest Expense Ratio Earnings Before Interest Taxes Depreciation And Amortization To Interest Expense Ratio Tax Jurisdiction of Domicile [Extensible Enumeration] Tax Jurisdiction of Domicile [Extensible Enumeration] Interest Rate Swap Interest Rate Swap [Member] Unrestricted Common Stock Unrestricted Common Stock [Member] Unrestricted Common Stock Washington DC Washington D.C. [Member] Washington D.C. Equity in earnings (loss) of unconsolidated real estate entity Equity in earnings of unconsolidated real estate entity Income (Loss) from Equity Method Investments Schedule Of Real Estate Facilities [Table] Schedule Of Real Estate Facilities [Table] Schedule Of Real Estate Facilities [Table] Series L Preferred Stock Series L Series L Preferred Stock [Member] Outstanding nonredeemable series L preferred stock or outstanding series L preferred stock. Classified within stockholders' equity if nonredeemable or redeemable solely at the option of the issuer. Classified within temporary equity if redemption is outside the control of the issuer. Gross Carrying Amount, Land SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount Type of Restructuring [Domain] Type of Restructuring [Domain] Taxes withheld upon net share settlement of restricted share units Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Number of real estate facilities securing debt Number of Real Estate Facilities That Are Securing Debt Number of Real Estate Facilities That Are Securing Debt Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Basic (in USD per share) Earnings Per Share, Basic Evansville Evansville [Member] Evansville Common stock, capital shares reserved for future issuance (in shares) Common Stock, Capital Shares Reserved for Future Issuance Operating facilities, at cost: Real Estate Investment Property, Operating Facilities [Roll Forward] Real Estate Investment Property, Operating Facilities Notes due January 20, 2034 Notes Due January 20, 2034 [Member] Notes Due January 20, 2034 Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Schedule of Segment Information Schedule of Segment Reporting Information, by Segment [Table Text Block] Notes due July 1, 2030 Notes due July 1, 2030 [Member] Notes due July 1, 2030 Acquisitions Real Estate Investment Property At Cost, Acquisition of Real Estate Facilities Real Estate Investment Property At Cost, Acquisition of Real Estate Facilities Indefinite-lived Intangible Assets [Line Items] Indefinite-Lived Intangible Assets [Line Items] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Contributions to unconsolidated real estate entity Contributions to unconsolidated real estate entity Payments to Acquire Equity Method Investments Share-based compensation expense Share-Based Payment Arrangement, Expense Roanoke Roanoke [Member] Roanoke Utilities Public Utilities [Member] Capital expenditures for energy efficiencies (LED lighting, solar) Capital Expenditures For Energy Efficiencies Remaining At Period End Capital Expenditures For Energy Efficiencies Remaining At Period End Goodwill and Intangible Assets Disclosure [Abstract] Greensville/Spartanburg/Asheville Greensville/Spartanburg/Asheville [Member] Greensville/Spartanburg/Asheville Issuance costs on amendment of credit facility Issuance Costs On Amendment Of Credit Facility Issuance Costs On Amendment Of Credit Facility Development and expansion of real estate facilities Payments to Develop Real Estate Assets Simply Acquisition Simply Acquisition [Member] Simply Acquisition Total liabilities and equity Liabilities and Equity Foreign Currency Exchange Translation Foreign Currency Transactions and Translations Policy [Policy Text Block] Notes Due 2034 Guarantee Notes Due 2034 [Member] Guarantee Notes Due 2034 Number of Awards Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Issuance of commons shares for cash Issuance Of Commons Shares For Cash, Value Issuance Of Commons Shares For Cash, Value General and administrative General and Administrative Expense [Member] Schedule of Equity Method Investments [Table] Equity Method Investment [Table] Detroit Detroit [Member] Detroit Accounting Policies [Abstract] Accounting Policies [Abstract] Notes due July 1, 2035 Notes due July 1, 2035 [Member] Notes due July 1, 2035 Fair value of vested shares and vested LTIP units on vesting date Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value OP Options OP Options [Member] OP Options Pay vs Performance Disclosure [Line Items] Financing receivable, average annual interest rate (in percent) Financing Receivable, Average Annual Interest Rate Financing Receivable, Average Annual Interest Rate Extinguishment of Debt [Table] Extinguishment of Debt [Table] Real Estate Facilities Real Estate, Policy [Policy Text Block] Lansing Lansing [Member] Lansing Service-Based Service-Based Restricted Stock Units And LTIP Units [Member] Service-Based Restricted Stock Units And LTIP Units Acquisition of noncontrolling interests Noncontrolling Interest, Increase from Business Combination Basis differential Equity Method Investment, Difference Between Carrying Amount and Underlying Equity Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount Various lease commitments 2028 Lessee, Operating Lease, Liability, to be Paid, Year Three Debt issuance costs Debt Issuance Costs, Gross Comprehensive income allocable to Public Storage shareholders Comprehensive Income (Loss), Net of Tax, Attributable to Parent Disposal Group Name [Domain] Disposal Group Name [Domain] Name Measure Name RSUs substituted by LTIP units (in shares) RSUs Substituted By LTIP Units RSUs Substituted By LTIP Units Line of Credit Facility [Abstract] Line of Credit Facility [Abstract] Class of Stock [Line Items] Class of Stock [Line Items] Evaluation of Asset Impairment Evaluation Of Asset Impairment [Policy Text Block] Evaluation Of Asset Impairment Number of units, grantees earnings (in shares) Share-Based Payment Arrangement, Potential Earnings, Number Of AO LTIP Units Share-Based Payment Arrangement, Potential Earnings, Number Of AO LTIP Units Capital expenditures for energy efficiencies (LED lighting, solar) Capital Expenditures For Energy Efficiencies Capital Expenditures For Energy Efficiencies Service-Based Options Service-based Options [Member] Service-based Options Accumulated Deficit Including Noncontrolling Interest Retained Earnings Including Noncontrolling Interest [Member] Retained Earnings Including Noncontrolling Interest Unsecured Debt Unsecured Debt [Member] Houston Houston [Member] Houston Notes payable Book Value Long-Term Debt Legal Entity [Axis] Legal Entity [Axis] Total assets Assets 2026 Finite-Lived Intangible Asset, Expected Amortization, Year One Parent Including Noncontrolling Interest Parent Including Noncontrolling Interest [Member] Parent Including Noncontrolling Interest Vested (in USD per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Increase in finite-lived intangible assets Increase (Decrease) in Intangible Assets, Current Cash Equivalents Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Ronald L. Havner Ronald L. Havner [Member] Ronald L. Havner Performance-Based Incentive Plan Performance-Based Incentive Plan [Member] Performance-Based Incentive Plan Segment, Geographical [Domain] Geographical [Domain] Geographical [Domain] Income Taxes Income Tax, Policy [Policy Text Block] Shreveport Shreveport [Member] Shreveport LTIP Units LTIP Units [Member] LTIP Units Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Receivable Type [Axis] Receivable Type [Axis] Finite-lived intangible assets, weighted average useful life (in years) Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life Total land and buildings, at cost Beginning balance (Operating facilities, at cost) Ending balance (Operating facilities, at cost) Real Estate Investment Property, at Cost Columbia Columbia [Member] Columbia Tamara Hughes Gustavson Tamara Hughes Gustavson [Member] Tamara Hughes Gustavson 2029 Finite-Lived Intangible Asset, Expected Amortization, Year Four Distributions to common shareholders and restricted share unitholders (in USD per share) Common Stock, Dividends, Per Share, Declared Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Euro Denominated Unsecured Debt Euro Denominated Unsecured Debt [Member] Euro Denominated Unsecured Debt [Member] Capital expenditures for property enhancements Capital Expenditures For Property Enhancements Remaining Unpaid At Period End Document Financial Statement Error Correction [Flag] Document Financial Statement Error Correction [Flag] Mobile Mobile [Member] Mobile State and local income taxes Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Related Party Related Party [Member] Marketing Marketing [Member] Marketing Document Information [Table] Document Information [Table] PEO PEO [Member] Norfolk Norfolk [Member] Norfolk Severance and Retention Employee Severance [Member] Changes in operating assets and liabilities, excluding the impact of acquisitions: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Changes in Valuation Allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount Denver Denver [Member] Denver Expected volatility, based upon historical volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Accumulated Deficit Retained Earnings [Member] Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Cash, equivalents, and restricted cash Cash, equivalents, and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Income Statement [Abstract] Self-storage facilities Self-Storage Facilities [Member] Self-Storage Facilities Product and Service [Domain] Product and Service [Domain] Total Public Storage Shareholders' Equity Parent [Member] Net income Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Notional amount Derivative, Notional Amount Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Series H Preferred Stock Series H Series H Preferred Stock [Member] City Area Code City Area Code Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Mortgage Debt Mortgages [Member] Monthly Consulting Monthly Consulting [Member] Monthly Consulting Target annual performance bonus (in percent) Deferred Compensation Arrangement with Individual, Cash Awards Granted, Percentage Undrawn standby letters of credit Line of Credit Facility, Capacity Available for Specific Purpose Other than for Trade Purchases Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] General and administrative General and administrative General and Administrative Expense Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Schedule Of Real Estate Facilities [Line Items] Schedule Of Real Estate Facilities [Line Items] Schedule Of Real Estate Facilities [Line Items] Related Party Transactions [Abstract] Related Party Transactions [Abstract] Notes Due 2030 Guarantee Notes Due 2030 [Member] Guarantee Notes Due 2030 Aggregate costs to develop and expand Aggregate Costs To Develop And Expand Aggregate costs to develop new self-storage facilities and expand existing self-storage facilities. Goodwill, net Goodwill Rochester Rochester [Member] Rochester Auditor Name Auditor Name Write-off of cancelled projects Development In Process, Write-Off Of Cancelled Projects Development In Process, Write-Off Of Cancelled Projects Description of the Business Nature of Operations [Text Block] Huntsville/Decatur Huntsville/Decatur [Member] Huntsville/Decatur Philadelphia Philadelphia [Member] Philadelphia Gain (Loss) on sale of real estate Gain on sale of real estate Gains (Losses) on Sales of Investment Real Estate Atlanta Atlanta [Member] Atlanta Supplemental cash flow information: Supplemental Cash Flow Information [Abstract] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Other Performance Measure, Amount Other Performance Measure, Amount Adjusted basis of real estate SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Federal Income Tax Basis Fair Value Fair Value Measurement, Policy [Policy Text Block] Related Party [Domain] Related and Nonrelated Parties [Domain] Amount Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract] Derivative Instrument [Axis] Derivative Instrument [Axis] Vesting [Axis] Vesting [Axis] Restricted cash included in other assets Restricted cash included in other assets Restricted Cash Net income per common share: Earnings Per Share Reconciliation [Abstract] Number of common shares received (in shares) Number Of Common Shares Received From Dividend Contribution Number Of Common Shares Received From Dividend Contribution Private Equity Investments Private Equity Investments [Member] Private Equity Investments Financing receivable, term (in years) Financing Receivable, Term Financing Receivable, Term Entity [Domain] Entity [Domain] Other Other Restructuring [Member] Net cash flows used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Investment in unconsolidated real estate entity Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Maximum Covenant Maximum Covenant [Member] Maximum Covenant [Member] Cash paid for interest, net of amounts capitalized Interest Paid, Excluding Capitalized Interest, Operating Activity Document Fiscal Year Focus Document Fiscal Year Focus Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Conversion of partnership units (in shares) Conversion Of AO LTIP Units Conversion Of AO LTIP Units Income tax provision (benefit) and effective tax rate Effective Income Tax Rate Reconciliation, Percent Percentage of target options originally granted (in percent) Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants in Period, Potential Earning, Percentage Of Target Options Originally Granted Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants in Period, Potential Earning, Percentage Of Target Options Originally Granted Compensation recognition period (in years) Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Real Estate [Abstract] Real Estate [Abstract] Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Monterey/Salinas Monterey/Salinas [Member] Monterey/Salinas Requisite service period (in years) Deferred Compensation Arrangement with Individual, Requisite Service Period Goodwill and Other Intangible Assets Goodwill and Intangible Assets, Policy [Policy Text Block] Segment Information Segment Reporting Disclosure [Text Block] Other Commitments [Line Items] Other Commitments [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Number of shares authorized for repurchase (in shares) Share Repurchase Program, Authorized, Number of Shares Weighted Average Weighted Average [Member] Amortization expense Amortization of Intangible Assets Louisville Louisville [Member] Louisville Common shareholders and restricted share unitholders Dividends, Common Stock And Restricted Share Units Dividends, Common Stock And Restricted Share Units Repurchase of common shares Stock Repurchased During Period, Value Capital expenditures for energy efficiencies (LED lighting, solar) Real Estate Investment Property At Cost, Capital Expenditures For Energy Efficiencies Real Estate Investment Property At Cost, Capital Expenditures For Energy Efficiencies Depreciation and amortization Depreciation and amortization Depreciation and amortization Depreciation, Depletion and Amortization Real estate acquisition and development expense Real Estate Acquisition and Development Expense [Member] Real Estate Acquisition and Development Expense Las Vegas Las Vegas [Member] Las Vegas Credit Facility Revolving Credit Facility [Member] Foreign tax expense Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount Arrangement Duration Trading Arrangement Duration Segments [Axis] Segments [Axis] Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Share price (in euro per share) Share Price Other non-cash adjustments Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Other Item Thereafter Long-Term Debt, Maturity, after Year Five Share-Based Compensation Share-Based Payment Arrangement [Text Block] Shares repurchased (in shares) Stock Repurchased and Retired During Period, Shares Series F Preferred Stock Series F Series F Preferred Stock [Member] Series J Preferred Stock Series J Series J Preferred Stock [Member] Outstanding nonredeemable series J preferred stock or outstanding series J preferred stock. Classified within stockholders' equity if nonredeemable or redeemable solely at the option of the issuer. Classified within temporary equity if redemption is outside the control of the issuer. Omaha Omaha [Member] Omaha Acquisition of Self-Storage Facilities Other Investments Acquisition Of Self Storage Facilities [Member] Acquisition Of Self Storage Facilities [Member] ASSETS Assets [Abstract] Issuance of notes payable, net of issuance costs Proceeds from Issuance of Unsecured Debt Credit Facility [Axis] Credit Facility [Axis] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Debt Instrument [Axis] Debt Instrument [Axis] Forfeited (in USD per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Credit Facility [Domain] Credit Facility [Domain] Public Storage shareholders’ equity: Equity, Attributable to Parent [Abstract] Buildings Investment Building and Building Improvements Number of extensions Number Of Extensions Number Of Extensions Vesting (in percent) Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage Repurchase of common shares Treasury Stock, Value, Acquired, Cost Method Coupon Rate Interest rate (in percent) Debt Instrument, Interest Rate, Stated Percentage Notes due November 9, 2028 Notes Due November 9, 2028 [Member] Notes Due November 9, 2028 Investment, Name [Axis] Investment, Name [Axis] Entity Voluntary Filers Entity Voluntary Filers Notes Due April 12, 2024 Notes Due April 12, 2024 [Member] Notes Due April 2024 [Member] Birmingham Birmingham [Member] Birmingham Senior Notes 5.000 Percent Due July 2035 Senior Notes 5.000 Percent Due July 2035 [Member] Senior Notes 5.000 Percent Due July 2035 Land Land Entity Registrant Name Entity Registrant Name Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Service-Based AO LTIP Units Service-Based AO LTIP Units [Member] Service-Based AO LTIP Units Public Storage Public Storage [Member] Public Storage [Member] Augusta Augusta [Member] Augusta Schedule of Notes Payable Schedule of Debt [Table Text Block] Segment Reconciling Items Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member] Granted (in USD per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Related Party [Axis] Related and Nonrelated Parties [Axis] License fees received Proceeds from License Fees Received Series N Preferred Stock Series N Series N Preferred Stock [Member] Outstanding nonredeemable series N preferred stock or outstanding series N preferred stock. Classified within stockholders' equity if nonredeemable or redeemable solely at the option of the issuer. Classified within temporary equity if redemption is outside the control of the issuer. Restatement Determination Date: Restatement Determination Date [Axis] Issuance of common shares in connection with share-based compensation Employee stock-based compensation and exercise of stock options (Note 12) Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Facilities, Managed For Third Parties Facilities, Managed For Third Parties [Member] Facilities, Managed For Third Parties Schedule of Restructuring and Related Costs Restructuring and Related Costs [Table Text Block] Performance-Based Performance-Based Restricted Stock Units And LTIP Units [Member] Performance-Based Restricted Stock Units And LTIP Units Name Trading Arrangement, Individual Name Notes due August 1, 2033 Notes Due August 1, 2033 [Member] Notes Due August 1 2033 Notes Due April 23, 2024 Notes Due April 23, 2024 [Member] Notes due April 23, 2024 [Member] Costs incurred during the period remaining unpaid at period end for: Accrued Development Costs And Capital Expenditures [Abstract] Accrued Development Costs And Capital Expenditures [Abstract] Acquisition of noncontrolling interests Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests Debt issuance amount Debt Instrument, Face Amount Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Cumulative Preferred Shares Cumulative Preferred Shares Preferred Stock [Member] Name Awards Close in Time to MNPI Disclosures, Individual Name Buffalo/Rochester Buffalo/Rochester [Member] Buffalo/Rochester Cash payments Payments for Restructuring Unvested awards outstanding, beginning balance (in USD per share) Unvested awards outstanding, ending balance (in USD per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Restructuring Type [Axis] Restructuring Type [Axis] Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Unfunded loan commitment Other Commitment Topeka Topeka [Member] Topeka ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Share-based compensation expense APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Auditor Firm ID Auditor Firm ID Segment [Domain] Segments [Domain] Income Statement Location [Axis] Statement of Income Location, Balance [Axis] Ancillary operations Ancillary Operations Ancillary Operations [Member] Ancillary Operations [Member] Exercise price (in dollars per share) Deferred Compensation Arrangement with Individual, Exercise Price Shurgard Self Storage Sa Shurgard Self Storage Sa [Member] Shurgard Self Storage SA [Member] Total Distributions Classification Percentage Distributions classification percentage Senior Notes Senior Notes [Member] Preferred Shares, $0.01 par value, 100,000,000 shares authorized, 174,000 shares issued (in series) and outstanding, (174,000 shares at December 31, 2024) at liquidation preference Preferred Stock, Value, Issued All Executive Categories All Executive Categories [Member] Number of Ms. Gustavson's adult children owning remaining equity in LLC Number Of Individuals Owning Remaining Equity Number Of Individuals Owning Remaining Equity Common Shares, $0.10 par value, 650,000,000 shares authorized, 175,462,847 shares issued (175,408,393 shares at December 31, 2024) Common Stock, Value, Issued Cleveland/Akron Cleveland/Akron [Member] Cleveland/Akron Title of Individual [Axis] Title and Position [Axis] Commitments and contingencies (Note 16) Commitments and Contingencies Columbus Columbus [Member] Columbus Third-party insurance coverage for claims paid exceeding amount for individual event Third-Party Insurance Coverage For Claims Paid Exceeding Amount For Individual Event The minimum amount for which claims paid for individual events must exceed under our third-party insurance coverage. Liquidation Preference Preferred Stock, Liquidation Preference, Value Total comprehensive income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Fort Wayne Fort Wayne [Member] Fort Wayne Stock options substituted by AO LTIP units (in shares) Stock Options Substituted By AO LTIP Units Stock Options Substituted By AO LTIP Units Series S Preferred Stock Series S Series S Preferred Stock [Member] Series S Preferred Stock Noncontrolling Interests Noncontrolling Interest [Member] Number of self-storage facilities to manage for third parties Number Of Self-Storage Facilities To Manage For Third Parties Number Of Self-Storage Facilities To Manage For Third Parties Ownership interest (in percent) Ownership interest (in percent) Equity Method Investment, Ownership Percentage Noncontrolling Interest [Table] Noncontrolling Interest [Table] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Commercial and Retail Space Commercial And Retail Space [Member] Commercial and Retail Space [Member] Notes due September 15, 2027 Notes Due September 15, 2027 [Member] Notes due, September, 2027 [Member] On-site property manager payroll On-Site Property manager Payroll [Member] On-Site Property manager Payroll Derivative Contract [Domain] Derivative Contract [Domain] Issuance of common shares Proceeds from Issuance of Common Stock All Individuals All Individuals [Member] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Debt to total assets ratio (in percent) Debt to Total Assets Ratio Debt to Total Assets Ratio Name Forgone Recovery, Individual Name Expiration period (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period Interest capitalized as real estate Interest Paid, Capitalized, Investing Activity Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Weighted average effective rate Debt, Weighted Average Interest Rate Issuance of common shares in connection with share-based compensation Proceeds, Issuance of Shares, Share-Based Payment Arrangement, Including Option Exercised Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Geographical [Axis] Geographical [Axis] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] AO LTIP Units AO LTIP Units [Member] AO LTIP Units Foreign currency exchange gain (loss) Gain (Loss), Foreign Currency Transaction, before Tax Austin Austin [Member] Austin Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Series R Preferred Stock Series R Series R Preferred Stock [Member] Series R Preferred Stock Title of 12(b) Security Title of 12(b) Security Aggregate intrinsic value for stock options exercisable Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value Notes due April 16, 2027 Notes Due April 16, 2027 [Member] Notes Due April 16, 2027 New York New York City [Member] New York City Construction in process: Development In Process [Roll Forward] Development In Process Number of additional board members the preferred shareholders can elect in the case of an excess arrearage of quarterly dividends Number Of Additional Members Right To Elect Number of additional board members the preferred shareholders can elect in the case of an excess arrearage of quarterly dividends Net income per common share: Earnings Per Share [Abstract] Earnings Per Share [Abstract] Various lease commitments 2030 Lessee, Operating Lease, Liability, to be Paid, Year Five Ownership interest by parent Subsidiary, Ownership Percentage, Parent Distributions in excess of cumulative equity in earnings from unconsolidated real estate entity Proceeds from Equity Method Investment, Distribution, Return of Capital Construction commitments 2026 Contractual Obligation, to be Paid, Year One Performance-Based Stock Options And AO LTIP Units Performance-Based Stock Options And AO LTIP Units [Member] Performance-Based Stock Options And AO LTIP Units Reno Reno [Member] Reno Restricted Share Units and LTIP Units Restricted Share Units And LTIP Units [Member] Restricted Share Units And LTIP Units Notes due May 1, 2031 Notes Due May 1, 2031 [Member] Notes Due May 1, 2031 [Member] Fort Myers/Naples Fort Myers/Naples [Member] Fort Myers/Naples Phoenix Phoenix [Member] Phoenix Shares repurchased (in shares) Treasury Stock, Shares, Acquired Exercised (in USD per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Colorado Springs Colorado Springs [Member] Colorado Springs Award Timing Disclosures [Line Items] Write off development cost Write Off Development Cost For Redevelopment Projects Write Off Development Cost For Redevelopment Projects Series O Preferred Stock Series O Series O Preferred Stock [Member] Outstanding nonredeemable series O preferred stock or outstanding series O preferred stock. Classified within stockholders' equity if nonredeemable or redeemable solely at the option of the issuer. Classified within temporary equity if redemption is outside the control of the issuer. Series K Preferred Stock Series K Series K Preferred Stock [Member] Outstanding nonredeemable series K preferred stock or outstanding series K preferred stock. Classified within stockholders' equity if nonredeemable or redeemable solely at the option of the issuer. Classified within temporary equity if redemption is outside the control of the issuer. Shareholders' Equity Equity [Text Block] Net income allocable to Public Storage shareholders Net Income (Loss) Attributable to Parent Subsequent Event [Table] Subsequent Event [Table] Total real estate facilities, net Real Estate Investment Property, Net Gross Carrying Amount, Total SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross Schedule of Effective Income Tax Rate Reconciliation Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Vesting period (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Springfield/Holyoke Springfield/Holyoke [Member] Springfield/Holyoke Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Repurchase of common shares Payments for Repurchase of Common Stock Adoption Date Trading Arrangement Adoption Date Financing receivable, extension period (in years) Financing Receivable, Extension Period Financing Receivable, Extension Period Capital expenditures to maintain real estate facilities Capital Expenditures To Maintain Real Estate Facilities Sum of payments for capitalized expenditures to maintain existing facilities, costs incurred during the period and in previous periods. U.S. Dollar Denominated Unsecured Debt U.S. Dollar Denominated Unsecured Debt [Member] U.S. Dollar Denominated Unsecured Debt [Member] Net operating income Operating Income (Loss) Acquisition of real estate facilities and intangible assets Payments to acquire real estate Payments to Acquire Real Estate Accumulated deficit Retained Earnings (Accumulated Deficit) Portland Portland [Member] Portland Summary Of Significant Accounting Policies [Line Items] Summary Of Significant Accounting Policies [Line Items] Summary Of Significant Accounting Policies [Line Items]. Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Class of Stock [Axis] Class of Stock [Axis] Notes due September 9, 2030 Notes Due September 9, 2030 [Member] Notes Due September 9, 2030 Subsequent Event Type [Domain] Subsequent Event Type [Domain] Notes Payable [Abstract] Notes Payable [Abstract] Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Statement [Table] Statement [Table] Adjustments to reconcile net income to net cash flows from operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Proceeds from sale of real estate investments Proceeds from Real Estate and Real Estate Joint Ventures Payment for acquisition, land, held-for-use Payment for Acquisition, Land, Held-for-Use Notes due April 11, 2039 Notes Due April 11, 2039 [Member] Notes Due April 11, 2039 Land Parcel Land Parcel [Member] Land Parcel All Adjustments to Compensation All Adjustments to Compensation [Member] Amendment Flag Amendment Flag Annual equity award Deferred Compensation Arrangement with Individual, Allocated Share-Based Compensation Expense Termination Date Trading Arrangement Termination Date Vested LTIP units issued upon vesting (in shares) Vested LTIP Units Issued Upon Vesting Vested LTIP Units Issued Upon Vesting Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Indianapolis Indianapolis [Member] Indianapolis Number of interest rate derivatives held Number of Interest Rate Derivatives Held Debt instrument, variable interest rate, type [extensible enumeration] Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] Audit Information [Abstract] Audit Information Receivable [Domain] Receivable [Domain] Jacksonville Jacksonville [Member] Jacksonville Schedule of Stock Options and AO LTIP Units Activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Basic weighted average common shares outstanding (in shares) Denominator for basic net income per share - weighted average common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Share-based Payment Arrangement, Expensed, Amount [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Schedule of Net Income Per Common Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Related Party Transaction [Domain] Related Party Transaction [Domain] Awards exercisable or convertible (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number Subsequent Events [Abstract] Subsequent Events [Abstract] Segment Reporting [Abstract] Segment Reporting [Abstract] Chicago Chicago [Member] Chicago Other increases (decreases) to net income: Nonoperating Income (Expense) [Abstract] Expenses: Costs and Expenses [Abstract] Debt instrument, unamortized discount Debt Instrument, Unamortized Discount Restructuring and Related Activities [Abstract] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Common stock, par value (in USD per share) Common Stock, Par or Stated Value Per Share Impairment of real estate investments Impairment of Real Estate Stock options granted (in shares) Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Capital Gain Distributions Distributions Classification Percentage Capital Gain Distributions Use of Estimates Use of Estimates, Policy [Policy Text Block] Savannah Savannah [Member] Savannah Accumulated depreciation: Real Estate Investment Property, Accumulated Depreciation [Roll Forward] Real Estate Investment Property, Accumulated Depreciation Subsequent Events Subsequent Events [Text Block] Foreign currency translation gain (loss) on investment in Shurgard Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Insider Trading Arrangements [Line Items] Total liabilities Liabilities Distributions paid to noncontrolling interests Payments of Ordinary Dividends, Noncontrolling Interest Facility fee (in percent) Line of Credit Facility, Commitment Fee Percentage Share-Based Payment Arrangement, Option, Valued With Black-Scholes Method Share-Based Payment Arrangement, Option, Valued With Black-Scholes Method [Member] Share-Based Payment Arrangement, Option, Valued With Black-Scholes Method Series G Preferred Stock Series G Series G Preferred Stock [Member] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Award vesting anniversary of grant date Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Anniversary Of Grant Date Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Anniversary Of Grant Date Issuance of common shares Stock Issued During Period, Value, New Issues Consolidation Items [Axis] Consolidation Items [Axis] Counterparty Name [Axis] Counterparty Name [Axis] Schedule of Restricted Share Units and LTIP Units Activity and Share-Based Payment Award, Stock Options, Valuation Assumptions Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration] Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration] Total land and buildings, net Real Estate Facilities, Net The net book value of real estate property held for investment purposes. Excludes (1) construction in process and (2) development in process. Total shares (in shares) Stock Issued During Period, Shares, Period Increase (Decrease) Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Secured Overnight Financing Rate (SOFR) [Member] UNITED STATES