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v2.4.1.9

Notes Payable (Detail) (USD $) | 12 Months Ended | 1 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2013 | Jul. 31, 2013 | Jun. 30, 2014 | Sep. 30, 2014 | Dec. 31, 2014 | Dec. 31, 2012
Debt instrument |  |  |  |  |  |
Total principal amount | $ 3,200,000,000 us-gaap_NotesPayable |  |  |  | $ 3,800,000,000 us-gaap_NotesPayable |
Unamortized original issuance discounts | (15,000,000)us-gaap_DebtInstrumentUnamortizedDiscount |  |  |  | (15,000,000)us-gaap_DebtInstrumentUnamortizedDiscount |
Notes payable, net | 3,185,480,000 o_NotesPayableNetOfUnamortizedDiscount |  |  |  | 3,785,372,000 o_NotesPayableNetOfUnamortizedDiscount |
Repayments of Notes Payable | 100,000,000 us-gaap_RepaymentsOfNotesPayable |  |  |  |  |
Proceeds from Issuance of Debt | 70,000,000 us-gaap_ProceedsFromIssuanceOfDebt |  |  |  |  |
Maturity of notes and bonds payable |  |  |  |  |  |
2015 |  |  |  |  | 150,000,000 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths |
2016 |  |  |  |  | 275,000,000 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo |
2017 |  |  |  |  | 175,000,000 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree |
2018 |  |  |  |  | 350,000,000 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour |
2019 |  |  |  |  | 550,000,000 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive |
Thereafter |  |  |  |  | 2,300,000,000 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive |
Totals |  |  |  |  | 3,800,000,000 us-gaap_LongTermDebt |
Minimum |  |  |  |  |  |
Debt instrument |  |  |  |  |  |
Interest rate (as a percent) | 2.50%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_RangeAxis = us-gaap_MinimumMember |  |  |  | 2.00%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_RangeAxis = us-gaap_MinimumMember |
Effective yield (as a percent) | 2.40%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_RangeAxis = us-gaap_MinimumMember |  |  |  | 2.20%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_RangeAxis = us-gaap_MinimumMember |
Maximum |  |  |  |  |  |
Debt instrument |  |  |  |  |  |
Interest rate (as a percent) | 6.90%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_RangeAxis = us-gaap_MaximumMember |  |  |  | 6.90%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_RangeAxis = us-gaap_MaximumMember |
Effective yield (as a percent) | 9.20%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_RangeAxis = us-gaap_MaximumMember |  |  |  | 9.00%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_RangeAxis = us-gaap_MaximumMember |
5.5% notes, issued in November 2003 and due in November 2015 |  |  |  |  |  |
Debt instrument |  |  |  |  |  |
Total principal amount | 150,000,000 us-gaap_NotesPayable / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueNovember2015Member |  |  |  | 150,000,000 us-gaap_NotesPayable / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueNovember2015Member |
Interest rate (as a percent) | 5.50%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueNovember2015Member |  |  |  | 5.50%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueNovember2015Member |
5.95% notes, issued in September 2006 and due in September 2016 |  |  |  |  |  |
Debt instrument |  |  |  |  |  |
Total principal amount | 275,000,000 us-gaap_NotesPayable / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueSeptember2016Member |  |  |  | 275,000,000 us-gaap_NotesPayable / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueSeptember2016Member |
Interest rate (as a percent) | 5.95%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueSeptember2016Member |  |  |  | 5.95%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueSeptember2016Member |
5.375% notes, issued in September 2005 and due in September 2017 |  |  |  |  |  |
Debt instrument |  |  |  |  |  |
Total principal amount | 175,000,000 us-gaap_NotesPayable / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueSeptember2017Member |  |  |  | 175,000,000 us-gaap_NotesPayable / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueSeptember2017Member |
Interest rate (as a percent) | 5.375%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueSeptember2017Member |  |  |  | 5.375%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueSeptember2017Member |
2.0% notes, issued in October 2012 and due in January 2018 |  |  |  |  |  |
Debt instrument |  |  |  |  |  |
Total principal amount | 350,000,000 us-gaap_NotesPayable / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueJanuary2018Member |  |  |  | 350,000,000 us-gaap_NotesPayable / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueJanuary2018Member |
Interest rate (as a percent) | 2.00%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueJanuary2018Member |  |  |  | 2.00%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueJanuary2018Member |
6.75% notes, issued in September 2007 and due in August 2019 |  |  |  |  |  |
Debt instrument |  |  |  |  |  |
Total principal amount | 550,000,000 us-gaap_NotesPayable / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueAugust2019Member |  |  |  | 550,000,000 us-gaap_NotesPayable / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueAugust2019Member |
Interest rate (as a percent) | 6.75%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueAugust2019Member |  |  |  | 6.75%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueAugust2019Member |
5.75% notes, issued in June 2010 and due in January 2021 |  |  |  |  |  |
Debt instrument |  |  |  |  |  |
Total principal amount | 250,000,000 us-gaap_NotesPayable / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueJanuary2021Member |  |  |  | 250,000,000 us-gaap_NotesPayable / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueJanuary2021Member |
Interest rate (as a percent) | 5.75%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueJanuary2021Member |  |  |  | 5.75%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueJanuary2021Member |
3.25% notes, issued in October 2012 and due in October 2022 |  |  |  |  |  |
Debt instrument |  |  |  |  |  |
Total principal amount | 450,000,000 us-gaap_NotesPayable / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueOctober2022Member |  |  |  | 450,000,000 us-gaap_NotesPayable / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueOctober2022Member |
Interest rate (as a percent) | 3.25%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueOctober2022Member |  |  |  | 3.25%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueOctober2022Member |
4.65% notes, issued in July 2013 and due in August 2023 |  |  |  |  |  |
Debt instrument |  |  |  |  |  |
Total principal amount | 750,000,000 us-gaap_NotesPayable / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueAugust2023Member | 750,000,000 us-gaap_NotesPayable / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueAugust2023Member |  |  | 750,000,000 us-gaap_NotesPayable / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueAugust2023Member |
Interest rate (as a percent) | 4.65%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueAugust2023Member | 4.65%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueAugust2023Member |  |  | 4.65%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueAugust2023Member |
Percentage price paid to the investor |  | 99.775%o_PercentagePriceToInvestor / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueAugust2023Member |  |  |  |
Effective yield (as a percent) |  | 4.678%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueAugust2023Member |  |  |  |
Proceeds from Issuance of Debt |  | 741,400,000 us-gaap_ProceedsFromIssuanceOfDebt / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueAugust2023Member |  |  |  |
3.875% notes, issued in June 2014 and due in July 2024 |  |  |  |  |  |
Debt instrument |  |  |  |  |  |
Total principal amount |  |  | 350,000,000 us-gaap_NotesPayable / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueJuly2024Member |  | 350,000,000 us-gaap_NotesPayable / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueJuly2024Member |
Interest rate (as a percent) |  |  | 3.875%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueJuly2024Member |  | 3.875%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueJuly2024Member |
Percentage price paid to the investor |  |  | 99.956%o_PercentagePriceToInvestor / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueJuly2024Member |  |  |
Effective yield (as a percent) |  |  | 3.88%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueJuly2024Member |  |  |
Proceeds from Issuance of Debt |  |  | 346,700,000 us-gaap_ProceedsFromIssuanceOfDebt / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueJuly2024Member |  |  |
4.125% notes, issued in September 2014 and due in October 2026 |  |  |  |  |  |
Debt instrument |  |  |  |  |  |
Total principal amount |  |  |  |  | 250,000,000 us-gaap_NotesPayable / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueOctober2026Member |
Interest rate (as a percent) |  |  |  | 4.125%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueOctober2026Member | 4.125%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueOctober2026Member |
Issuance of Debt |  |  |  | 250,000,000 us-gaap_DebtInstrumentIncreaseDecreaseForPeriodNet / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueOctober2026Member |  |
Percentage price paid to the investor |  |  |  | 99.499%o_PercentagePriceToInvestor / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueOctober2026Member |  |
Effective yield (as a percent) |  |  |  | 4.178%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueOctober2026Member |  |
Proceeds from Issuance of Debt |  |  |  | 246,400,000 us-gaap_ProceedsFromIssuanceOfDebt / us-gaap_LongtermDebtTypeAxis = o_NotesPayableDueOctober2026Member |  |
5.875% bonds due in March 2035 |  |  |  |  |  |
Debt instrument |  |  |  |  |  |
Total principal amount | 250,000,000 us-gaap_NotesPayable / us-gaap_LongtermDebtTypeAxis = o_BondsPayableDueMarch2035Member |  |  |  | 250,000,000 us-gaap_NotesPayable / us-gaap_LongtermDebtTypeAxis = o_BondsPayableDueMarch2035Member |
Interest rate (as a percent) | 5.875%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = o_BondsPayableDueMarch2035Member |  |  |  | 5.875%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = o_BondsPayableDueMarch2035Member |
5.875% bonds, issued in June 2011 and due in March 2035 |  |  |  |  |  |
Debt instrument |  |  |  |  |  |
Total principal amount | 150,000 us-gaap_NotesPayable / us-gaap_LongtermDebtTypeAxis = o_BondsPayableDueMarch2035SecondIssuanceJune2011Member |  |  |  | 150,000 us-gaap_NotesPayable / us-gaap_LongtermDebtTypeAxis = o_BondsPayableDueMarch2035SecondIssuanceJune2011Member |
5.875% bonds, issued in March 2005 and due in March 2035 |  |  |  |  |  |
Debt instrument |  |  |  |  |  |
Total principal amount | 100,000 us-gaap_NotesPayable / us-gaap_LongtermDebtTypeAxis = o_BondsPayableDueMarch2035FirstIssuanceMarch2005Member |  |  |  | 100,000 us-gaap_NotesPayable / us-gaap_LongtermDebtTypeAxis = o_BondsPayableDueMarch2035FirstIssuanceMarch2005Member |
Notes and bonds payable |  |  |  |  |  |
Debt instrument |  |  |  |  |  |
Weighted average interest rate |  |  |  |  | 4.80%us-gaap_DebtWeightedAverageInterestRate / us-gaap_LongtermDebtTypeAxis = o_NotesAndBondsPayableMember |
Weighted average remaining years until maturity |  |  |  |  | 7 years 2 months 12 days |
Interest incurred on notes and bonds | $ 138,900,000 us-gaap_InterestExpenseDebt / us-gaap_LongtermDebtTypeAxis = o_NotesAndBondsPayableMember |  |  |  | $ 166,500,000 us-gaap_InterestExpenseDebt / us-gaap_LongtermDebtTypeAxis = o_NotesAndBondsPayableMember | $ 110,400,000 us-gaap_InterestExpenseDebt / us-gaap_LongtermDebtTypeAxis = o_NotesAndBondsPayableMember
Notes and bonds payable | Minimum |  |  |  |  |  |
Debt instrument |  |  |  |  |  |
Debt service coverage ratio |  |  |  |  | 1.5 o_DebtInstrumentCovenantDebtServiceCoverageRatio / us-gaap_LongtermDebtTypeAxis = o_NotesAndBondsPayableMember / us-gaap_RangeAxis = us-gaap_MinimumMember |
Total unencumbered assets as a percentage of outstanding unsecured debt |  |  |  |  | 150.00%o_DebtInstrumentCovenantAggregateUnencumberedAssetsAsPercentageOfOutstandingUnsecuredDebt / us-gaap_LongtermDebtTypeAxis = o_NotesAndBondsPayableMember / us-gaap_RangeAxis = us-gaap_MinimumMember |
Notes and bonds payable | Maximum |  |  |  |  |  |
Debt instrument |  |  |  |  |  |
Debt to total adjusted assets ratio (as a percent) |  |  |  |  | 60.00%o_DebtInstrumentCovenantDebtToTotalAdjustedAssetsRatio / us-gaap_LongtermDebtTypeAxis = o_NotesAndBondsPayableMember / us-gaap_RangeAxis = us-gaap_MaximumMember |
Secured debt to total adjusted assets ratio (as a percent) |  |  |  |  | 40.00%o_DebtInstrumentCovenantSecuredDebtToTotalAdjustedAssetsRatio / us-gaap_LongtermDebtTypeAxis = o_NotesAndBondsPayableMember / us-gaap_RangeAxis = us-gaap_MaximumMember |

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