1.0.0.3 true Consolidated Statements of Equity (USD $) In Thousands 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_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 3 $ 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 2 Balance 2 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap true credit instant monetary No definition available. false false false false false false true false false 1 true true 9067104000 9067104 false false 2 true true 9263256000 9263256 false false 3 true true 8707223000 8707223 false false No definition available. No authoritative reference available. false 3 Issuance of cumulative preferred shares (26,900 shares) 2 psa_IssuanceOfCumulativePreferredShares psa false debit duration monetary The cash inflow from issuance of preferred stock that is classified as callable. false false false false false false false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false true 651892000 651892 false false The cash inflow from issuance of preferred stock that is classified as callable. No authoritative reference available. false 4 Repurchase of cumulative preferred shares (Note 8) 2 us-gaap_StockRepurchasedDuringPeriodValue us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -17535000 -17535 false false 2 false true -66879000 -66879 false false 3 false false 0 0 false false No definition available. No authoritative reference available. false 5 Repurchase of Equity Shares, Series A (Note 8) 2 psa_RepurchaseOfEquitySharesSeriesNote8 psa false debit duration monetary Value of Equity Shares, Series A that has been repurchased during the period. false false false false false false false false false 1 false false 0 0 false false 2 false true -7707000 -7707 false false 3 false false 0 0 false false Value of Equity Shares, Series A that has been repurchased during the period. No authoritative reference available. false 6 Repurchase of preferred partnership units (Note 7) 2 us-gaap_MinorityInterestDecreaseFromRedemptions us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -153000000 -153000 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. No authoritative reference available. false 7 Issuance of common shares in connection with share-based compensation (Note 10) 2 us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 2192000 2192 false false 2 false true 10890000 10890 false false 3 false true 8457000 8457 false false No definition available. No authoritative reference available. false 8 Repurchase of common shares (Note 8) 2 psa_RepurchaseOfCommonSharesNote8 psa false debit duration monetary This element represents the value of common stock that has been repurchased during the period. false false false false false false false false false 1 false false 0 0 false false 2 false true -111903000 -111903 false false 3 false false 0 0 false false This element represents the value of common stock that has been repurchased during the period. No authoritative reference available. false 9 Share-based compensation expense, net of cash compensation in lieu of common shares (Note 10) 2 psa_StockBasedCompensationExpenseNote10 psa false debit duration monetary This element represents the amount of recognized share-based compensation during the period, that is, the amount recognized... false false false false false false false false false 1 false true 9262000 9262 false false 2 false true 8430000 8430 false false 3 false true 4647000 4647 false false This element represents the amount of recognized share-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized), less cash paid in lieu of shares issued for emoployee taxes with respect to vested restricted stock units. No authoritative reference available. false 10 Disposition of permanent noncontrolling interests in subsidiaries, net (Note 7) 2 us-gaap_MinorityInterestIncreaseFromStockIssuance us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false true 3033000 3033 false false No definition available. No authoritative reference available. false 11 Adjustments of redeemable noncontrolling interests in subsidiaries to liquidation value (Note 7) 2 psa_AdjustmentsOfPermanentNoncontrollingInterestsInSubsidiariesToLiquidationValueNote7 psa false debit duration monetary This element represents the adjustments to state redeemable noncontrolling interest in subsidiaries at estimated liquidation... false false false false false false false false false 1 false true -1392000 -1392 false false 2 false true -6469000 -6469 false false 3 false false 0 0 false false This element represents the adjustments to state redeemable noncontrolling interest in subsidiaries at estimated liquidation amount. No authoritative reference available. false 12 Deconsolidation of permanent noncontrolling interests in subsidiaries due to disposition of an interest (Note 7) 2 psa_DeconsolidationOfPermanentNoncontrollingInterestsInSubsidiariesDueToDispositionOfInterestNote7 psa false debit duration monetary The amount of permanent noncontrolling equity interests in subsidiaries that an Entity assumes or disposes of in a noncash... false false false false false false false false false 1 false false 0 0 false false 2 false true -148901000 -148901 false false 3 false false 0 0 false false The amount of permanent noncontrolling equity interests in subsidiaries that an Entity assumes or disposes of in a noncash (or part noncash) transaction. No authoritative reference available. false 13 Net income 2 us-gaap_ProfitLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 790456000 790456 false false 2 false true 973872000 973872 false false 3 false true 487078000 487078 false false No definition available. No authoritative reference available. false 14 Net income allocated to (Note 7): 2 psa false na duration string Net income allocated based upon income of the consolidated entities to (Note 7): false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false Net income allocated based upon income of the consolidated entities to (Note 7): false 15 Redeemable noncontrolling interests in subsidiaries 2 psa_RedeemableNoncontrollingInterestsInSubsidiaries psa false debit duration monetary This element represents the income allocated to redeemable noncontrolling interests. false false false false false false false false false 1 false true -993000 -993 false false 2 false true -1083000 -1083 false false 3 false true -800000 -800 false false This element represents the income allocated to redeemable noncontrolling interests. No authoritative reference available. false 16 Permanent noncontrolling equity interests 2 us-gaap_MinorityInterestInNetIncomeLossOtherMinorityInterests us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 17 Distributions to equity holders: 2 us-gaap true 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 3 false false 0 0 false false No definition available. false 18 Cumulative preferred shares (Note 8) 2 us-gaap_DividendsPreferredStockCash us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -232431000 -232431 false false 2 false true -239721000 -239721 false false 3 false true -236757000 -236757 false false No definition available. No authoritative reference available. false 19 Permanent noncontrolling interests in subsidiaries 2 us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -26977000 -26977 false false 2 false true -37993000 -37993 false false 3 false true -40567000 -40567 false false No definition available. No authoritative reference available. false 20 Equity Shares, Series A (depositary share) 2 psa_EquitySharesSeries1225PerDepositaryShare psa false debit duration monetary Equity shares cash dividend declared by an entity during the period. This element includes paid and unpaid dividends declared... false false false false false false false false false 1 false true -20524000 -20524 false false 2 false true -21199000 -21199 false false 3 false true -21424000 -21424 false false Equity shares cash dividend declared by an entity during the period. This element includes paid and unpaid dividends declared during the period. No authoritative reference available. false 21 Holders of unvested restricted share units 2 psa_UnvestedRestrictedStock psa false debit duration monetary Common stock cash dividend declared and paid to holders of unvested restricted share units. false false false false false false false false false 1 false true -1306000 -1306 false false 2 false true -1933000 -1933 false false 3 false true -1313000 -1313 false false Common stock cash dividend declared and paid to holders of unvested restricted share units. No authoritative reference available. false 22 Common Shares 2 us-gaap_DividendsCommonStockCash us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -370404000 -370404 false false 2 false true -470823000 -470823 false false 3 false true -338689000 -338689 false false No definition available. No authoritative reference available. false 23 Other comprehensive (loss) income: (Note 2) 2 us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 16929000 16929 false false 2 false true -74733000 -74733 false false 3 false true 40476000 40476 false false No definition available. No authoritative reference available. true 24 Balance 2 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap true credit instant monetary No definition available. false false false false false false false true false 1 false true 9061381000 9061381 false false 2 false true 9067104000 9067104 false false 3 false true 9263256000 9263256 false false No definition available. No authoritative reference available. false 25 Cumulative Preferred Shares | Preferred Stock [Member] 0 na true na na na No definition available. false true false false false false false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. No authoritative reference available. false 26 Balance 2 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap true credit instant monetary No definition available. false false false false false false true false false 1 false true 3424327000 3424327 false false 2 false true 3527500000 3527500 false false 3 false true 2855000000 2855000 false false No definition available. No authoritative reference available. false 27 Issuance of cumulative preferred shares (26,900 shares) 2 psa_IssuanceOfCumulativePreferredShares psa false debit duration monetary The cash inflow from issuance of preferred stock that is classified as callable. false false false false false false false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false true 672500000 672500 false false The cash inflow from issuance of preferred stock that is classified as callable. No authoritative reference available. false 28 Repurchase of cumulative preferred shares (Note 8) 2 us-gaap_StockRepurchasedDuringPeriodValue us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -24550000 -24550 false false 2 false true -103173000 -103173 false false 3 false false 0 0 false false No definition available. No authoritative reference available. false 29 Repurchase of Equity Shares, Series A (Note 8) 2 psa_RepurchaseOfEquitySharesSeriesNote8 psa false debit duration monetary Value of Equity Shares, Series A that has been repurchased during the period. false false false false false false false false false 1 false false 0 0 false false 2 false true 0 0 false false 3 false false 0 0 false false Value of Equity Shares, Series A that has been repurchased during the period. No authoritative reference available. false 30 Repurchase of preferred partnership units (Note 7) 2 us-gaap_MinorityInterestDecreaseFromRedemptions us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. No authoritative reference available. false 31 Issuance of common shares in connection with share-based compensation (Note 10) 2 us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 32 Repurchase of common shares (Note 8) 2 psa_RepurchaseOfCommonSharesNote8 psa false debit duration monetary This element represents the value of common stock that has been repurchased during the period. false false false false false false false false false 1 false false 0 0 false false 2 false true 0 0 false false 3 false false 0 0 false false This element represents the value of common stock that has been repurchased during the period. No authoritative reference available. false 33 Share-based compensation expense, net of cash compensation in lieu of common shares (Note 10) 2 psa_StockBasedCompensationExpenseNote10 psa false debit duration monetary This element represents the amount of recognized share-based compensation during the period, that is, the amount recognized... false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false This element represents the amount of recognized share-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized), less cash paid in lieu of shares issued for emoployee taxes with respect to vested restricted stock units. No authoritative reference available. false 34 Disposition of permanent noncontrolling interests in subsidiaries, net (Note 7) 2 us-gaap_MinorityInterestIncreaseFromStockIssuance us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 35 Adjustments of redeemable noncontrolling interests in subsidiaries to liquidation value (Note 7) 2 psa_AdjustmentsOfPermanentNoncontrollingInterestsInSubsidiariesToLiquidationValueNote7 psa false debit duration monetary This element represents the adjustments to state redeemable noncontrolling interest in subsidiaries at estimated liquidation... false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false false 0 0 false false This element represents the adjustments to state redeemable noncontrolling interest in subsidiaries at estimated liquidation amount. No authoritative reference available. false 36 Deconsolidation of permanent noncontrolling interests in subsidiaries due to disposition of an interest (Note 7) 2 psa_DeconsolidationOfPermanentNoncontrollingInterestsInSubsidiariesDueToDispositionOfInterestNote7 psa false debit duration monetary The amount of permanent noncontrolling equity interests in subsidiaries that an Entity assumes or disposes of in a noncash... false false false false false false false false false 1 false false 0 0 false false 2 false true 0 0 false false 3 false false 0 0 false false The amount of permanent noncontrolling equity interests in subsidiaries that an Entity assumes or disposes of in a noncash (or part noncash) transaction. No authoritative reference available. false 37 Net income 2 us-gaap_ProfitLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 38 Net income allocated to (Note 7): 2 psa false na duration string Net income allocated based upon income of the consolidated entities to (Note 7): false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false Net income allocated based upon income of the consolidated entities to (Note 7): false 39 Redeemable noncontrolling interests in subsidiaries 2 psa_RedeemableNoncontrollingInterestsInSubsidiaries psa false debit duration monetary This element represents the income allocated to redeemable noncontrolling interests. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false This element represents the income allocated to redeemable noncontrolling interests. No authoritative reference available. false 40 Permanent noncontrolling equity interests 2 us-gaap_MinorityInterestInNetIncomeLossOtherMinorityInterests us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 41 Distributions to equity holders: 2 us-gaap true 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 3 false false 0 0 false false No definition available. false 42 Cumulative preferred shares (Note 8) 2 us-gaap_DividendsPreferredStockCash us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 43 Permanent noncontrolling interests in subsidiaries 2 us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 44 Equity Shares, Series A (depositary share) 2 psa_EquitySharesSeries1225PerDepositaryShare psa false debit duration monetary Equity shares cash dividend declared by an entity during the period. This element includes paid and unpaid dividends declared... false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false Equity shares cash dividend declared by an entity during the period. This element includes paid and unpaid dividends declared during the period. No authoritative reference available. false 45 Holders of unvested restricted share units 2 psa_UnvestedRestrictedStock psa false debit duration monetary Common stock cash dividend declared and paid to holders of unvested restricted share units. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false Common stock cash dividend declared and paid to holders of unvested restricted share units. No authoritative reference available. false 46 Common Shares 2 us-gaap_DividendsCommonStockCash us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 47 Other comprehensive (loss) income: (Note 2) 2 us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. true 48 Balance 2 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap true credit instant monetary No definition available. false false false false false false false true false 1 false true 3399777000 3399777 false false 2 false true 3424327000 3424327 false false 3 false true 3527500000 3527500 false false No definition available. No authoritative reference available. false 49 Common Shares (CommonStockMember) | Common Shares (CommonStockMember) 0 na true na na na No definition available. false true false false false false false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. No authoritative reference available. false 50 Balance 2 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap true credit instant monetary No definition available. false false false false false false true false false 1 false true 16829000 16829 false false 2 false true 16943000 16943 false false 3 false true 16915000 16915 false false No definition available. No authoritative reference available. false 51 Issuance of cumulative preferred shares (26,900 shares) 2 psa_IssuanceOfCumulativePreferredShares psa false debit duration monetary The cash inflow from issuance of preferred stock that is classified as callable. false false false false false false false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false true 0 0 false false The cash inflow from issuance of preferred stock that is classified as callable. No authoritative reference available. false 52 Repurchase of cumulative preferred shares (Note 8) 2 us-gaap_StockRepurchasedDuringPeriodValue us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false false 0 0 false false No definition available. No authoritative reference available. false 53 Repurchase of Equity Shares, Series A (Note 8) 2 psa_RepurchaseOfEquitySharesSeriesNote8 psa false debit duration monetary Value of Equity Shares, Series A that has been repurchased during the period. false false false false false false false false false 1 false false 0 0 false false 2 false true 0 0 false false 3 false false 0 0 false false Value of Equity Shares, Series A that has been repurchased during the period. No authoritative reference available. false 54 Repurchase of preferred partnership units (Note 7) 2 us-gaap_MinorityInterestDecreaseFromRedemptions us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. No authoritative reference available. false 55 Issuance of common shares in connection with share-based compensation (Note 10) 2 us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 13000 13 false false 2 false true 38000 38 false false 3 false true 28000 28 false false No definition available. No authoritative reference available. false 56 Repurchase of common shares (Note 8) 2 psa_RepurchaseOfCommonSharesNote8 psa false debit duration monetary This element represents the value of common stock that has been repurchased during the period. false false false false false false false false false 1 false false 0 0 false false 2 false true -152000 -152 false false 3 false false 0 0 false false This element represents the value of common stock that has been repurchased during the period. No authoritative reference available. false 57 Share-based compensation expense, net of cash compensation in lieu of common shares (Note 10) 2 psa_StockBasedCompensationExpenseNote10 psa false debit duration monetary This element represents the amount of recognized share-based compensation during the period, that is, the amount recognized... false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false This element represents the amount of recognized share-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized), less cash paid in lieu of shares issued for emoployee taxes with respect to vested restricted stock units. No authoritative reference available. false 58 Disposition of permanent noncontrolling interests in subsidiaries, net (Note 7) 2 us-gaap_MinorityInterestIncreaseFromStockIssuance us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 59 Adjustments of redeemable noncontrolling interests in subsidiaries to liquidation value (Note 7) 2 psa_AdjustmentsOfPermanentNoncontrollingInterestsInSubsidiariesToLiquidationValueNote7 psa false debit duration monetary This element represents the adjustments to state redeemable noncontrolling interest in subsidiaries at estimated liquidation... false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false false 0 0 false false This element represents the adjustments to state redeemable noncontrolling interest in subsidiaries at estimated liquidation amount. No authoritative reference available. false 60 Deconsolidation of permanent noncontrolling interests in subsidiaries due to disposition of an interest (Note 7) 2 psa_DeconsolidationOfPermanentNoncontrollingInterestsInSubsidiariesDueToDispositionOfInterestNote7 psa false debit duration monetary The amount of permanent noncontrolling equity interests in subsidiaries that an Entity assumes or disposes of in a noncash... false false false false false false false false false 1 false false 0 0 false false 2 false true 0 0 false false 3 false false 0 0 false false The amount of permanent noncontrolling equity interests in subsidiaries that an Entity assumes or disposes of in a noncash (or part noncash) transaction. No authoritative reference available. false 61 Net income 2 us-gaap_ProfitLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 62 Net income allocated to (Note 7): 2 psa false na duration string Net income allocated based upon income of the consolidated entities to (Note 7): false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false Net income allocated based upon income of the consolidated entities to (Note 7): false 63 Redeemable noncontrolling interests in subsidiaries 2 psa_RedeemableNoncontrollingInterestsInSubsidiaries psa false debit duration monetary This element represents the income allocated to redeemable noncontrolling interests. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false This element represents the income allocated to redeemable noncontrolling interests. No authoritative reference available. false 64 Permanent noncontrolling equity interests 2 us-gaap_MinorityInterestInNetIncomeLossOtherMinorityInterests us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 65 Distributions to equity holders: 2 us-gaap true 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 3 false false 0 0 false false No definition available. false 66 Cumulative preferred shares (Note 8) 2 us-gaap_DividendsPreferredStockCash us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 67 Permanent noncontrolling interests in subsidiaries 2 us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 68 Equity Shares, Series A (depositary share) 2 psa_EquitySharesSeries1225PerDepositaryShare psa false debit duration monetary Equity shares cash dividend declared by an entity during the period. This element includes paid and unpaid dividends declared... false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false Equity shares cash dividend declared by an entity during the period. This element includes paid and unpaid dividends declared during the period. No authoritative reference available. false 69 Holders of unvested restricted share units 2 psa_UnvestedRestrictedStock psa false debit duration monetary Common stock cash dividend declared and paid to holders of unvested restricted share units. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false Common stock cash dividend declared and paid to holders of unvested restricted share units. No authoritative reference available. false 70 Common Shares 2 us-gaap_DividendsCommonStockCash us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 71 Other comprehensive (loss) income: (Note 2) 2 us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. true 72 Balance 2 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap true credit instant monetary No definition available. false false false false false false false true false 1 false true 16842000 16842 false false 2 false true 16829000 16829 false false 3 false true 16943000 16943 false false No definition available. No authoritative reference available. false 73 Paid-in Capital 0 na true na na na No definition available. false true false false false false false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. No authoritative reference available. false 74 Balance 2 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap true credit instant monetary No definition available. false false false false false false true false false 1 false true 5590093000 5590093 false false 2 false true 5653975000 5653975 false false 3 false true 5661507000 5661507 false false No definition available. No authoritative reference available. false 75 Issuance of cumulative preferred shares (26,900 shares) 2 psa_IssuanceOfCumulativePreferredShares psa false debit duration monetary The cash inflow from issuance of preferred stock that is classified as callable. false false false false false false false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false true -20608000 -20608 false false The cash inflow from issuance of preferred stock that is classified as callable. No authoritative reference available. false 76 Repurchase of cumulative preferred shares (Note 8) 2 us-gaap_StockRepurchasedDuringPeriodValue us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 7015000 7015 false false 2 false true 36294000 36294 false false 3 false false 0 0 false false No definition available. No authoritative reference available. false 77 Repurchase of Equity Shares, Series A (Note 8) 2 psa_RepurchaseOfEquitySharesSeriesNote8 psa false debit duration monetary Value of Equity Shares, Series A that has been repurchased during the period. false false false false false false false false false 1 false false 0 0 false false 2 false true -7707000 -7707 false false 3 false false 0 0 false false Value of Equity Shares, Series A that has been repurchased during the period. No authoritative reference available. false 78 Repurchase of preferred partnership units (Note 7) 2 us-gaap_MinorityInterestDecreaseFromRedemptions us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 72000000 72000 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. No authoritative reference available. false 79 Issuance of common shares in connection with share-based compensation (Note 10) 2 us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 2179000 2179 false false 2 false true 10852000 10852 false false 3 false true 8429000 8429 false false No definition available. No authoritative reference available. false 80 Repurchase of common shares (Note 8) 2 psa_RepurchaseOfCommonSharesNote8 psa false debit duration monetary This element represents the value of common stock that has been repurchased during the period. false false false false false false false false false 1 false false 0 0 false false 2 false true -111751000 -111751 false false 3 false false 0 0 false false This element represents the value of common stock that has been repurchased during the period. No authoritative reference available. false 81 Share-based compensation expense, net of cash compensation in lieu of common shares (Note 10) 2 psa_StockBasedCompensationExpenseNote10 psa false debit duration monetary This element represents the amount of recognized share-based compensation during the period, that is, the amount recognized... false false false false false false false false false 1 false true 9262000 9262 false false 2 false true 8430000 8430 false false 3 false true 4647000 4647 false false This element represents the amount of recognized share-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized), less cash paid in lieu of shares issued for emoployee taxes with respect to vested restricted stock units. No authoritative reference available. false 82 Disposition of permanent noncontrolling interests in subsidiaries, net (Note 7) 2 us-gaap_MinorityInterestIncreaseFromStockIssuance us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 83 Adjustments of redeemable noncontrolling interests in subsidiaries to liquidation value (Note 7) 2 psa_AdjustmentsOfPermanentNoncontrollingInterestsInSubsidiariesToLiquidationValueNote7 psa false debit duration monetary This element represents the adjustments to state redeemable noncontrolling interest in subsidiaries at estimated liquidation... false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false false 0 0 false false This element represents the adjustments to state redeemable noncontrolling interest in subsidiaries at estimated liquidation amount. No authoritative reference available. false 84 Deconsolidation of permanent noncontrolling interests in subsidiaries due to disposition of an interest (Note 7) 2 psa_DeconsolidationOfPermanentNoncontrollingInterestsInSubsidiariesDueToDispositionOfInterestNote7 psa false debit duration monetary The amount of permanent noncontrolling equity interests in subsidiaries that an Entity assumes or disposes of in a noncash... false false false false false false false false false 1 false false 0 0 false false 2 false true 0 0 false false 3 false false 0 0 false false The amount of permanent noncontrolling equity interests in subsidiaries that an Entity assumes or disposes of in a noncash (or part noncash) transaction. No authoritative reference available. false 85 Net income 2 us-gaap_ProfitLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 86 Net income allocated to (Note 7): 2 psa false na duration string Net income allocated based upon income of the consolidated entities to (Note 7): false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false Net income allocated based upon income of the consolidated entities to (Note 7): false 87 Redeemable noncontrolling interests in subsidiaries 2 psa_RedeemableNoncontrollingInterestsInSubsidiaries psa false debit duration monetary This element represents the income allocated to redeemable noncontrolling interests. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false This element represents the income allocated to redeemable noncontrolling interests. No authoritative reference available. false 88 Permanent noncontrolling equity interests 2 us-gaap_MinorityInterestInNetIncomeLossOtherMinorityInterests us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 89 Distributions to equity holders: 2 us-gaap true 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 3 false false 0 0 false false No definition available. false 90 Cumulative preferred shares (Note 8) 2 us-gaap_DividendsPreferredStockCash us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 91 Permanent noncontrolling interests in subsidiaries 2 us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 92 Equity Shares, Series A (depositary share) 2 psa_EquitySharesSeries1225PerDepositaryShare psa false debit duration monetary Equity shares cash dividend declared by an entity during the period. This element includes paid and unpaid dividends declared... false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false Equity shares cash dividend declared by an entity during the period. This element includes paid and unpaid dividends declared during the period. No authoritative reference available. false 93 Holders of unvested restricted share units 2 psa_UnvestedRestrictedStock psa false debit duration monetary Common stock cash dividend declared and paid to holders of unvested restricted share units. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false Common stock cash dividend declared and paid to holders of unvested restricted share units. No authoritative reference available. false 94 Common Shares 2 us-gaap_DividendsCommonStockCash us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 95 Other comprehensive (loss) income: (Note 2) 2 us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. true 96 Balance 2 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap true credit instant monetary No definition available. false false false false false false false true false 1 false true 5680549000 5680549 false false 2 false true 5590093000 5590093 false false 3 false true 5653975000 5653975 false false No definition available. No authoritative reference available. false 97 Accumulated Deficit 0 na true na na na No definition available. false true false false false false false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. No authoritative reference available. false 98 Balance 2 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap true credit instant monetary No definition available. false false false false false false true false false 1 false true -290323000 -290323 false false 2 false true -485354000 -485354 false false 3 false true -344706000 -344706 false false No definition available. No authoritative reference available. false 99 Issuance of cumulative preferred shares (26,900 shares) 2 psa_IssuanceOfCumulativePreferredShares psa false debit duration monetary The cash inflow from issuance of preferred stock that is classified as callable. false false false false false false false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false true 0 0 false false The cash inflow from issuance of preferred stock that is classified as callable. No authoritative reference available. false 100 Repurchase of cumulative preferred shares (Note 8) 2 us-gaap_StockRepurchasedDuringPeriodValue us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false false 0 0 false false No definition available. No authoritative reference available. false 101 Repurchase of Equity Shares, Series A (Note 8) 2 psa_RepurchaseOfEquitySharesSeriesNote8 psa false debit duration monetary Value of Equity Shares, Series A that has been repurchased during the period. false false false false false false false false false 1 false false 0 0 false false 2 false true 0 0 false false 3 false false 0 0 false false Value of Equity Shares, Series A that has been repurchased during the period. No authoritative reference available. false 102 Repurchase of preferred partnership units (Note 7) 2 us-gaap_MinorityInterestDecreaseFromRedemptions us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. No authoritative reference available. false 103 Issuance of common shares in connection with share-based compensation (Note 10) 2 us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 104 Repurchase of common shares (Note 8) 2 psa_RepurchaseOfCommonSharesNote8 psa false debit duration monetary This element represents the value of common stock that has been repurchased during the period. false false false false false false false false false 1 false false 0 0 false false 2 false true 0 0 false false 3 false false 0 0 false false This element represents the value of common stock that has been repurchased during the period. No authoritative reference available. false 105 Share-based compensation expense, net of cash compensation in lieu of common shares (Note 10) 2 psa_StockBasedCompensationExpenseNote10 psa false debit duration monetary This element represents the amount of recognized share-based compensation during the period, that is, the amount recognized... false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false This element represents the amount of recognized share-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized), less cash paid in lieu of shares issued for emoployee taxes with respect to vested restricted stock units. No authoritative reference available. false 106 Disposition of permanent noncontrolling interests in subsidiaries, net (Note 7) 2 us-gaap_MinorityInterestIncreaseFromStockIssuance us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 107 Adjustments of redeemable noncontrolling interests in subsidiaries to liquidation value (Note 7) 2 psa_AdjustmentsOfPermanentNoncontrollingInterestsInSubsidiariesToLiquidationValueNote7 psa false debit duration monetary This element represents the adjustments to state redeemable noncontrolling interest in subsidiaries at estimated liquidation... false false false false false false false false false 1 false true -1392000 -1392 false false 2 false true -6469000 -6469 false false 3 false false 0 0 false false This element represents the adjustments to state redeemable noncontrolling interest in subsidiaries at estimated liquidation amount. No authoritative reference available. false 108 Deconsolidation of permanent noncontrolling interests in subsidiaries due to disposition of an interest (Note 7) 2 psa_DeconsolidationOfPermanentNoncontrollingInterestsInSubsidiariesDueToDispositionOfInterestNote7 psa false debit duration monetary The amount of permanent noncontrolling equity interests in subsidiaries that an Entity assumes or disposes of in a noncash... false false false false false false false false false 1 false false 0 0 false false 2 false true 0 0 false false 3 false false 0 0 false false The amount of permanent noncontrolling equity interests in subsidiaries that an Entity assumes or disposes of in a noncash (or part noncash) transaction. No authoritative reference available. false 109 Net income 2 us-gaap_ProfitLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 790456000 790456 false false 2 false true 973872000 973872 false false 3 false true 487078000 487078 false false No definition available. No authoritative reference available. false 110 Net income allocated to (Note 7): 2 psa false na duration string Net income allocated based upon income of the consolidated entities to (Note 7): false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false Net income allocated based upon income of the consolidated entities to (Note 7): false 111 Redeemable noncontrolling interests in subsidiaries 2 psa_RedeemableNoncontrollingInterestsInSubsidiaries psa false debit duration monetary This element represents the income allocated to redeemable noncontrolling interests. false false false false false false false false false 1 false true -993000 -993 false false 2 false true -1083000 -1083 false false 3 false true -800000 -800 false false This element represents the income allocated to redeemable noncontrolling interests. No authoritative reference available. false 112 Permanent noncontrolling equity interests 2 us-gaap_MinorityInterestInNetIncomeLossOtherMinorityInterests us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -26842000 -26842 false false 2 false true -37613000 -37613 false false 3 false true -28743000 -28743 false false No definition available. No authoritative reference available. false 113 Distributions to equity holders: 2 us-gaap true 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 3 false false 0 0 false false No definition available. false 114 Cumulative preferred shares (Note 8) 2 us-gaap_DividendsPreferredStockCash us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -232431000 -232431 false false 2 false true -239721000 -239721 false false 3 false true -236757000 -236757 false false No definition available. No authoritative reference available. false 115 Permanent noncontrolling interests in subsidiaries 2 us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 116 Equity Shares, Series A (depositary share) 2 psa_EquitySharesSeries1225PerDepositaryShare psa false debit duration monetary Equity shares cash dividend declared by an entity during the period. This element includes paid and unpaid dividends declared... false false false false false false false false false 1 false true -20524000 -20524 false false 2 false true -21199000 -21199 false false 3 false true -21424000 -21424 false false Equity shares cash dividend declared by an entity during the period. This element includes paid and unpaid dividends declared during the period. No authoritative reference available. false 117 Holders of unvested restricted share units 2 psa_UnvestedRestrictedStock psa false debit duration monetary Common stock cash dividend declared and paid to holders of unvested restricted share units. false false false false false false false false false 1 false true -1306000 -1306 false false 2 false true -1933000 -1933 false false 3 false true -1313000 -1313 false false Common stock cash dividend declared and paid to holders of unvested restricted share units. No authoritative reference available. false 118 Common Shares 2 us-gaap_DividendsCommonStockCash us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -370404000 -370404 false false 2 false true -470823000 -470823 false false 3 false true -338689000 -338689 false false No definition available. No authoritative reference available. false 119 Other comprehensive (loss) income: (Note 2) 2 us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. true 120 Balance 2 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap true credit instant monetary No definition available. false false false false false false false true false 1 false true -153759000 -153759 false false 2 false true -290323000 -290323 false false 3 false true -485354000 -485354 false false No definition available. No authoritative reference available. false 121 Accumulated Other Comprehensive (Loss) Income 0 na true na na na No definition available. false true false false false false false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. No authoritative reference available. false 122 Balance 2 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap true credit instant monetary No definition available. false false false false false false true false false 1 false true -31931000 -31931 false false 2 false true 50065000 50065 false false 3 false true 19329000 19329 false false No definition available. No authoritative reference available. false 123 Issuance of cumulative preferred shares (26,900 shares) 2 psa_IssuanceOfCumulativePreferredShares psa false debit duration monetary The cash inflow from issuance of preferred stock that is classified as callable. false false false false false false false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false true 0 0 false false The cash inflow from issuance of preferred stock that is classified as callable. No authoritative reference available. false 124 Repurchase of cumulative preferred shares (Note 8) 2 us-gaap_StockRepurchasedDuringPeriodValue us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false false 0 0 false false No definition available. No authoritative reference available. false 125 Repurchase of Equity Shares, Series A (Note 8) 2 psa_RepurchaseOfEquitySharesSeriesNote8 psa false debit duration monetary Value of Equity Shares, Series A that has been repurchased during the period. false false false false false false false false false 1 false false 0 0 false false 2 false true 0 0 false false 3 false false 0 0 false false Value of Equity Shares, Series A that has been repurchased during the period. No authoritative reference available. false 126 Repurchase of preferred partnership units (Note 7) 2 us-gaap_MinorityInterestDecreaseFromRedemptions us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. No authoritative reference available. false 127 Issuance of common shares in connection with share-based compensation (Note 10) 2 us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 128 Repurchase of common shares (Note 8) 2 psa_RepurchaseOfCommonSharesNote8 psa false debit duration monetary This element represents the value of common stock that has been repurchased during the period. false false false false false false false false false 1 false false 0 0 false false 2 false true 0 0 false false 3 false false 0 0 false false This element represents the value of common stock that has been repurchased during the period. No authoritative reference available. false 129 Share-based compensation expense, net of cash compensation in lieu of common shares (Note 10) 2 psa_StockBasedCompensationExpenseNote10 psa false debit duration monetary This element represents the amount of recognized share-based compensation during the period, that is, the amount recognized... false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false This element represents the amount of recognized share-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized), less cash paid in lieu of shares issued for emoployee taxes with respect to vested restricted stock units. No authoritative reference available. false 130 Disposition of permanent noncontrolling interests in subsidiaries, net (Note 7) 2 us-gaap_MinorityInterestIncreaseFromStockIssuance us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 131 Adjustments of redeemable noncontrolling interests in subsidiaries to liquidation value (Note 7) 2 psa_AdjustmentsOfPermanentNoncontrollingInterestsInSubsidiariesToLiquidationValueNote7 psa false debit duration monetary This element represents the adjustments to state redeemable noncontrolling interest in subsidiaries at estimated liquidation... false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false false 0 0 false false This element represents the adjustments to state redeemable noncontrolling interest in subsidiaries at estimated liquidation amount. No authoritative reference available. false 132 Deconsolidation of permanent noncontrolling interests in subsidiaries due to disposition of an interest (Note 7) 2 psa_DeconsolidationOfPermanentNoncontrollingInterestsInSubsidiariesDueToDispositionOfInterestNote7 psa false debit duration monetary The amount of permanent noncontrolling equity interests in subsidiaries that an Entity assumes or disposes of in a noncash... false false false false false false false false false 1 false false 0 0 false false 2 false true 0 0 false false 3 false false 0 0 false false The amount of permanent noncontrolling equity interests in subsidiaries that an Entity assumes or disposes of in a noncash (or part noncash) transaction. No authoritative reference available. false 133 Net income 2 us-gaap_ProfitLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 134 Net income allocated to (Note 7): 2 psa false na duration string Net income allocated based upon income of the consolidated entities to (Note 7): false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false Net income allocated based upon income of the consolidated entities to (Note 7): false 135 Redeemable noncontrolling interests in subsidiaries 2 psa_RedeemableNoncontrollingInterestsInSubsidiaries psa false debit duration monetary This element represents the income allocated to redeemable noncontrolling interests. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false This element represents the income allocated to redeemable noncontrolling interests. No authoritative reference available. false 136 Permanent noncontrolling equity interests 2 us-gaap_MinorityInterestInNetIncomeLossOtherMinorityInterests us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 137 Distributions to equity holders: 2 us-gaap true 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 3 false false 0 0 false false No definition available. false 138 Cumulative preferred shares (Note 8) 2 us-gaap_DividendsPreferredStockCash us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 139 Permanent noncontrolling interests in subsidiaries 2 us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 140 Equity Shares, Series A (depositary share) 2 psa_EquitySharesSeries1225PerDepositaryShare psa false debit duration monetary Equity shares cash dividend declared by an entity during the period. This element includes paid and unpaid dividends declared... false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false Equity shares cash dividend declared by an entity during the period. This element includes paid and unpaid dividends declared during the period. No authoritative reference available. false 141 Holders of unvested restricted share units 2 psa_UnvestedRestrictedStock psa false debit duration monetary Common stock cash dividend declared and paid to holders of unvested restricted share units. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false Common stock cash dividend declared and paid to holders of unvested restricted share units. No authoritative reference available. false 142 Common Shares 2 us-gaap_DividendsCommonStockCash us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 143 Other comprehensive (loss) income: (Note 2) 2 us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 16929000 16929 false false 2 false true -81996000 -81996 false false 3 false true 30736000 30736 false false No definition available. No authoritative reference available. true 144 Balance 2 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap true credit instant monetary No definition available. false false false false false false false true false 1 false true -15002000 -15002 false false 2 false true -31931000 -31931 false false 3 false true 50065000 50065 false false No definition available. No authoritative reference available. false 145 Total Public Storage Shareholders' Equity 0 na true na na na No definition available. false true false false false false false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. No authoritative reference available. false 146 Balance 2 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap true credit instant monetary No definition available. false false false false false false true false false 1 false true 8708995000 8708995 false false 2 false true 8763129000 8763129 false false 3 false true 8208045000 8208045 false false No definition available. No authoritative reference available. false 147 Issuance of cumulative preferred shares (26,900 shares) 2 psa_IssuanceOfCumulativePreferredShares psa false debit duration monetary The cash inflow from issuance of preferred stock that is classified as callable. false false false false false false false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false true 651892000 651892 false false The cash inflow from issuance of preferred stock that is classified as callable. No authoritative reference available. false 148 Repurchase of cumulative preferred shares (Note 8) 2 us-gaap_StockRepurchasedDuringPeriodValue us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -17535000 -17535 false false 2 false true -66879000 -66879 false false 3 false false 0 0 false false No definition available. No authoritative reference available. false 149 Repurchase of Equity Shares, Series A (Note 8) 2 psa_RepurchaseOfEquitySharesSeriesNote8 psa false debit duration monetary Value of Equity Shares, Series A that has been repurchased during the period. false false false false false false false false false 1 false false 0 0 false false 2 false true -7707000 -7707 false false 3 false false 0 0 false false Value of Equity Shares, Series A that has been repurchased during the period. No authoritative reference available. false 150 Repurchase of preferred partnership units (Note 7) 2 us-gaap_MinorityInterestDecreaseFromRedemptions us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 72000000 72000 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. No authoritative reference available. false 151 Issuance of common shares in connection with share-based compensation (Note 10) 2 us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 2192000 2192 false false 2 false true 10890000 10890 false false 3 false true 8457000 8457 false false No definition available. No authoritative reference available. false 152 Repurchase of common shares (Note 8) 2 psa_RepurchaseOfCommonSharesNote8 psa false debit duration monetary This element represents the value of common stock that has been repurchased during the period. false false false false false false false false false 1 false false 0 0 false false 2 false true -111903000 -111903 false false 3 false false 0 0 false false This element represents the value of common stock that has been repurchased during the period. No authoritative reference available. false 153 Share-based compensation expense, net of cash compensation in lieu of common shares (Note 10) 2 psa_StockBasedCompensationExpenseNote10 psa false debit duration monetary This element represents the amount of recognized share-based compensation during the period, that is, the amount recognized... false false false false false false false false false 1 false true 9262000 9262 false false 2 false true 8430000 8430 false false 3 false true 4647000 4647 false false This element represents the amount of recognized share-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized), less cash paid in lieu of shares issued for emoployee taxes with respect to vested restricted stock units. No authoritative reference available. false 154 Disposition of permanent noncontrolling interests in subsidiaries, net (Note 7) 2 us-gaap_MinorityInterestIncreaseFromStockIssuance us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 155 Adjustments of redeemable noncontrolling interests in subsidiaries to liquidation value (Note 7) 2 psa_AdjustmentsOfPermanentNoncontrollingInterestsInSubsidiariesToLiquidationValueNote7 psa false debit duration monetary This element represents the adjustments to state redeemable noncontrolling interest in subsidiaries at estimated liquidation... false false false false false false false false false 1 false true -1392000 -1392 false false 2 false true -6469000 -6469 false false 3 false false 0 0 false false This element represents the adjustments to state redeemable noncontrolling interest in subsidiaries at estimated liquidation amount. No authoritative reference available. false 156 Deconsolidation of permanent noncontrolling interests in subsidiaries due to disposition of an interest (Note 7) 2 psa_DeconsolidationOfPermanentNoncontrollingInterestsInSubsidiariesDueToDispositionOfInterestNote7 psa false debit duration monetary The amount of permanent noncontrolling equity interests in subsidiaries that an Entity assumes or disposes of in a noncash... false false false false false false false false false 1 false false 0 0 false false 2 false true 0 0 false false 3 false false 0 0 false false The amount of permanent noncontrolling equity interests in subsidiaries that an Entity assumes or disposes of in a noncash (or part noncash) transaction. No authoritative reference available. false 157 Net income 2 us-gaap_ProfitLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 790456000 790456 false false 2 false true 973872000 973872 false false 3 false true 487078000 487078 false false No definition available. No authoritative reference available. false 158 Net income allocated to (Note 7): 2 psa false na duration string Net income allocated based upon income of the consolidated entities to (Note 7): false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false Net income allocated based upon income of the consolidated entities to (Note 7): false 159 Redeemable noncontrolling interests in subsidiaries 2 psa_RedeemableNoncontrollingInterestsInSubsidiaries psa false debit duration monetary This element represents the income allocated to redeemable noncontrolling interests. false false false false false false false false false 1 false true -993000 -993 false false 2 false true -1083000 -1083 false false 3 false true -800000 -800 false false This element represents the income allocated to redeemable noncontrolling interests. No authoritative reference available. false 160 Permanent noncontrolling equity interests 2 us-gaap_MinorityInterestInNetIncomeLossOtherMinorityInterests us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -26842000 -26842 false false 2 false true -37613000 -37613 false false 3 false true -28743000 -28743 false false No definition available. No authoritative reference available. false 161 Distributions to equity holders: 2 us-gaap true 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 3 false false 0 0 false false No definition available. false 162 Cumulative preferred shares (Note 8) 2 us-gaap_DividendsPreferredStockCash us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -232431000 -232431 false false 2 false true -239721000 -239721 false false 3 false true -236757000 -236757 false false No definition available. No authoritative reference available. false 163 Permanent noncontrolling interests in subsidiaries 2 us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 164 Equity Shares, Series A (depositary share) 2 psa_EquitySharesSeries1225PerDepositaryShare psa false debit duration monetary Equity shares cash dividend declared by an entity during the period. This element includes paid and unpaid dividends declared... false false false false false false false false false 1 false true -20524000 -20524 false false 2 false true -21199000 -21199 false false 3 false true -21424000 -21424 false false Equity shares cash dividend declared by an entity during the period. This element includes paid and unpaid dividends declared during the period. No authoritative reference available. false 165 Holders of unvested restricted share units 2 psa_UnvestedRestrictedStock psa false debit duration monetary Common stock cash dividend declared and paid to holders of unvested restricted share units. false false false false false false false false false 1 false true -1306000 -1306 false false 2 false true -1933000 -1933 false false 3 false true -1313000 -1313 false false Common stock cash dividend declared and paid to holders of unvested restricted share units. No authoritative reference available. false 166 Common Shares 2 us-gaap_DividendsCommonStockCash us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -370404000 -370404 false false 2 false true -470823000 -470823 false false 3 false true -338689000 -338689 false false No definition available. No authoritative reference available. false 167 Other comprehensive (loss) income: (Note 2) 2 us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 16929000 16929 false false 2 false true -81996000 -81996 false false 3 false true 30736000 30736 false false No definition available. No authoritative reference available. true 168 Balance 2 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap true credit instant monetary No definition available. false false false false false false false true false 1 false true 8928407000 8928407 false false 2 false true 8708995000 8708995 false false 3 false true 8763129000 8763129 false false No definition available. No authoritative reference available. false 169 Equity of Permanent Noncontrolling Interests in Subsidiaries 0 na true na na na No definition available. false true false false false false false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. No authoritative reference available. false 170 Balance 2 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap true credit instant monetary No definition available. false false false false false false true false false 1 false true 358109000 358109 false false 2 false true 500127000 500127 false false 3 false true 499178000 499178 false false No definition available. No authoritative reference available. false 171 Issuance of cumulative preferred shares (26,900 shares) 2 psa_IssuanceOfCumulativePreferredShares psa false debit duration monetary The cash inflow from issuance of preferred stock that is classified as callable. false false false false false false false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false true 0 0 false false The cash inflow from issuance of preferred stock that is classified as callable. No authoritative reference available. false 172 Repurchase of cumulative preferred shares (Note 8) 2 us-gaap_StockRepurchasedDuringPeriodValue us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false false 0 0 false false No definition available. No authoritative reference available. false 173 Repurchase of Equity Shares, Series A (Note 8) 2 psa_RepurchaseOfEquitySharesSeriesNote8 psa false debit duration monetary Value of Equity Shares, Series A that has been repurchased during the period. false false false false false false false false false 1 false false 0 0 false false 2 false true 0 0 false false 3 false false 0 0 false false Value of Equity Shares, Series A that has been repurchased during the period. No authoritative reference available. false 174 Repurchase of preferred partnership units (Note 7) 2 us-gaap_MinorityInterestDecreaseFromRedemptions us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -225000000 -225000 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. No authoritative reference available. false 175 Issuance of common shares in connection with share-based compensation (Note 10) 2 us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 176 Repurchase of common shares (Note 8) 2 psa_RepurchaseOfCommonSharesNote8 psa false debit duration monetary This element represents the value of common stock that has been repurchased during the period. false false false false false false false false false 1 false false 0 0 false false 2 false true 0 0 false false 3 false false 0 0 false false This element represents the value of common stock that has been repurchased during the period. No authoritative reference available. false 177 Share-based compensation expense, net of cash compensation in lieu of common shares (Note 10) 2 psa_StockBasedCompensationExpenseNote10 psa false debit duration monetary This element represents the amount of recognized share-based compensation during the period, that is, the amount recognized... false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false This element represents the amount of recognized share-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized), less cash paid in lieu of shares issued for emoployee taxes with respect to vested restricted stock units. No authoritative reference available. false 178 Disposition of permanent noncontrolling interests in subsidiaries, net (Note 7) 2 us-gaap_MinorityInterestIncreaseFromStockIssuance us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false true 3033000 3033 false false No definition available. No authoritative reference available. false 179 Adjustments of redeemable noncontrolling interests in subsidiaries to liquidation value (Note 7) 2 psa_AdjustmentsOfPermanentNoncontrollingInterestsInSubsidiariesToLiquidationValueNote7 psa false debit duration monetary This element represents the adjustments to state redeemable noncontrolling interest in subsidiaries at estimated liquidation... false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false false 0 0 false false This element represents the adjustments to state redeemable noncontrolling interest in subsidiaries at estimated liquidation amount. No authoritative reference available. false 180 Deconsolidation of permanent noncontrolling interests in subsidiaries due to disposition of an interest (Note 7) 2 psa_DeconsolidationOfPermanentNoncontrollingInterestsInSubsidiariesDueToDispositionOfInterestNote7 psa false debit duration monetary The amount of permanent noncontrolling equity interests in subsidiaries that an Entity assumes or disposes of in a noncash... false false false false false false false false false 1 false false 0 0 false false 2 false true -148901000 -148901 false false 3 false false 0 0 false false The amount of permanent noncontrolling equity interests in subsidiaries that an Entity assumes or disposes of in a noncash (or part noncash) transaction. No authoritative reference available. false 181 Net income 2 us-gaap_ProfitLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 182 Net income allocated to (Note 7): 2 psa false na duration string Net income allocated based upon income of the consolidated entities to (Note 7): false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false Net income allocated based upon income of the consolidated entities to (Note 7): false 183 Redeemable noncontrolling interests in subsidiaries 2 psa_RedeemableNoncontrollingInterestsInSubsidiaries psa false debit duration monetary This element represents the income allocated to redeemable noncontrolling interests. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false This element represents the income allocated to redeemable noncontrolling interests. No authoritative reference available. false 184 Permanent noncontrolling equity interests 2 us-gaap_MinorityInterestInNetIncomeLossOtherMinorityInterests us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 26842000 26842 false false 2 false true 37613000 37613 false false 3 false true 28743000 28743 false false No definition available. No authoritative reference available. false 185 Distributions to equity holders: 2 us-gaap true 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 3 false false 0 0 false false No definition available. false 186 Cumulative preferred shares (Note 8) 2 us-gaap_DividendsPreferredStockCash us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 187 Permanent noncontrolling interests in subsidiaries 2 us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true -26977000 -26977 false false 2 false true -37993000 -37993 false false 3 false true -40567000 -40567 false false No definition available. No authoritative reference available. false 188 Equity Shares, Series A (depositary share) 2 psa_EquitySharesSeries1225PerDepositaryShare psa false debit duration monetary Equity shares cash dividend declared by an entity during the period. This element includes paid and unpaid dividends declared... false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false Equity shares cash dividend declared by an entity during the period. This element includes paid and unpaid dividends declared during the period. No authoritative reference available. false 189 Holders of unvested restricted share units 2 psa_UnvestedRestrictedStock psa false debit duration monetary Common stock cash dividend declared and paid to holders of unvested restricted share units. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false Common stock cash dividend declared and paid to holders of unvested restricted share units. No authoritative reference available. false 190 Common Shares 2 us-gaap_DividendsCommonStockCash us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false 3 false true 0 0 false false No definition available. No authoritative reference available. false 191 Other comprehensive (loss) income: (Note 2) 2 us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 7263000 7263 false false 3 false true 9740000 9740 false false No definition available. No authoritative reference available. true 192 Balance 2 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap true credit instant monetary No definition available. false false false false false false false true false 1 true true 132974000 132974 false false 2 true true 358109000 358109 false false 3 true true 500127000 500127 false false No definition available. No authoritative reference available. false false 3 191 false Thousands UnKnown UnKnown false true