v3.7.0.1

SENIOR NOTES PAYABLE AND OTHER DEBT - Summary of Senior Notes Payables and Other Debt (Details) $ in Thousands, CAD in Millions | Jun. 30, 2017 USD ($) | Jun. 30, 2017 GBP (£) | Jun. 30, 2017 CAD | Apr. 30, 2017 | Mar. 31, 2017 USD ($) | Dec. 31, 2016 USD ($) | Dec. 31, 2016 GBP (£) | Dec. 31, 2016 CAD
--- | --- | --- | --- | --- | --- | --- | --- | ---
Debt instruments |  |  |  |  |  |  |  |
Principal amount outstanding | $ 11,992,233 |  |  |  |  | $ 11,190,914 |  |
Deferred financing costs, net | (73,679) |  |  |  |  | (61,304) |  |
Unamortized fair value adjustment | 20,696 |  |  |  |  | 25,224 |  |
Unamortized discounts | (31,253) |  |  |  |  | (27,508) |  |
Senior notes payable and other debt | 11,907,997 |  |  |  |  | 11,127,326 |  |
Unsecured revolving credit facilities |  |  |  |  |  |  |  |
Debt instruments |  |  |  |  |  |  |  |
Principal amount outstanding | 516,455 | £ 30,400,000 | CAD 33.1 |  |  | 146,538 | £ 0 | CAD 146.5
1.250% Senior Notes due 2017 |  |  |  |  |  |  |  |
Debt instruments |  |  |  |  |  |  |  |
Principal amount outstanding | $ 0 |  |  |  |  | 300,000 |  |
Interest rate | 1.25% | 1.25% | 1.25% | 1.25% |  |  |  |
2.00% Senior Notes due 2018 |  |  |  |  |  |  |  |
Debt instruments |  |  |  |  |  |  |  |
Principal amount outstanding | $ 700,000 |  |  |  |  | 700,000 |  |
Interest rate | 2.00% | 2.00% | 2.00% |  |  |  |  |
Unsecured Term Loan Due 2018 |  |  |  |  |  |  |  |
Debt instruments |  |  |  |  |  |  |  |
Principal amount outstanding | $ 200,000 |  |  |  |  | 200,000 |  |
Unsecured term loan due 2019 |  |  |  |  |  |  |  |
Debt instruments |  |  |  |  |  |  |  |
Principal amount outstanding | 278,586 |  |  |  |  | 371,215 |  | CAD 92.6
4.00% Senior Notes due 2019 |  |  |  |  |  |  |  |
Debt instruments |  |  |  |  |  |  |  |
Principal amount outstanding | $ 600,000 |  |  |  |  | 600,000 |  |
Interest rate | 4.00% | 4.00% | 4.00% |  |  |  |  |
3.00% Senior Notes, Series A due 2019 |  |  |  |  |  |  |  |
Debt instruments |  |  |  |  |  |  |  |
Principal amount outstanding | $ 308,595 |  |  |  |  | 297,841 |  |
Interest rate | 3.00% | 3.00% | 3.00% |  |  |  |  |
2.700% Senior Notes due 2020 |  |  |  |  |  |  |  |
Debt instruments |  |  |  |  |  |  |  |
Principal amount outstanding | $ 500,000 |  |  |  |  | 500,000 |  |
Interest rate | 2.70% | 2.70% | 2.70% |  |  |  |  |
Unsecured term loan due 2020 |  |  |  |  |  |  |  |
Debt instruments |  |  |  |  |  |  |  |
Principal amount outstanding | $ 900,000 |  |  |  |  | 900,000 |  |
4.750% Senior Notes due 2021 |  |  |  |  |  |  |  |
Debt instruments |  |  |  |  |  |  |  |
Principal amount outstanding | $ 700,000 |  |  |  |  | 700,000 |  |
Interest rate | 4.75% | 4.75% | 4.75% |  |  |  |  |
4.25% Senior Notes due 2022 |  |  |  |  |  |  |  |
Debt instruments |  |  |  |  |  |  |  |
Principal amount outstanding | $ 600,000 |  |  |  |  | 600,000 |  |
Interest rate | 4.25% | 4.25% | 4.25% |  |  |  |  |
3.25% Senior Notes due 2022 |  |  |  |  |  |  |  |
Debt instruments |  |  |  |  |  |  |  |
Principal amount outstanding | $ 500,000 |  |  |  |  | 500,000 |  |
Interest rate | 3.25% | 3.25% | 3.25% |  |  |  |  |
3.300% Senior Notes due 2022 |  |  |  |  |  |  |  |
Debt instruments |  |  |  |  |  |  |  |
Principal amount outstanding | $ 192,871 |  |  |  |  | 186,150 |  |
Interest rate | 3.30% | 3.30% | 3.30% |  |  |  |  |
3.125% Senior Notes due 2023 |  |  |  |  |  |  |  |
Debt instruments |  |  |  |  |  |  |  |
Principal amount outstanding | $ 400,000 |  |  |  |  | 400,000 |  |
Interest rate | 3.125% | 3.125% | 3.125% |  |  |  |  |
3.100% Senior Notes due 2023 |  |  |  |  |  |  |  |
Debt instruments |  |  |  |  |  |  |  |
Principal amount outstanding | $ 400,000 |  |  |  | $ 400,000 | 0 |  |
Interest rate | 3.10% | 3.10% | 3.10% |  | 3.10% |  |  |
2.55% Senior Notes, Series D due 2023 |  |  |  |  |  |  |  |
Debt instruments |  |  |  |  |  |  |  |
Principal amount outstanding | $ 212,159 |  |  |  |  | 0 |  |
3.750% Senior Notes due 2024 |  |  |  |  |  |  |  |
Debt instruments |  |  |  |  |  |  |  |
Principal amount outstanding | $ 400,000 |  |  |  |  | 400,000 |  |
Interest rate | 3.75% | 3.75% | 3.75% |  |  |  |  |
4.125% Senior Notes, Series B due 2024 |  |  |  |  |  |  |  |
Debt instruments |  |  |  |  |  |  |  |
Principal amount outstanding | $ 192,872 |  |  |  |  | 186,150 |  |
Interest rate | 4.125% | 4.125% | 4.125% |  |  |  |  |
3.500% Senior Notes due 2025 |  |  |  |  |  |  |  |
Debt instruments |  |  |  |  |  |  |  |
Principal amount outstanding | $ 600,000 |  |  |  |  | 600,000 |  |
Interest rate | 3.50% | 3.50% | 3.50% |  |  |  |  |
4.125% Senior Notes due 2026 |  |  |  |  |  |  |  |
Debt instruments |  |  |  |  |  |  |  |
Principal amount outstanding | $ 500,000 |  |  |  |  | 500,000 |  |
Interest rate | 4.125% | 4.125% | 4.125% |  |  |  |  |
3.25% Senior Notes due 2026 |  |  |  |  |  |  |  |
Debt instruments |  |  |  |  |  |  |  |
Principal amount outstanding | $ 450,000 |  |  |  |  | 450,000 |  |
Interest rate | 3.25% | 3.25% | 3.25% |  |  |  |  |
3.850% Senior Notes due 2027 |  |  |  |  |  |  |  |
Debt instruments |  |  |  |  |  |  |  |
Principal amount outstanding | $ 400,000 |  |  |  | $ 400,000 | 0 |  |
Interest rate | 3.85% | 3.85% | 3.85% |  | 3.85% |  |  |
6.90% Senior Notes due 2037 |  |  |  |  |  |  |  |
Debt instruments |  |  |  |  |  |  |  |
Principal amount outstanding |  |  |  |  |  | 52,400 |  |
Interest rate | 6.90% | 6.90% | 6.90% |  |  |  |  |
6.59% Senior Notes due 2038 |  |  |  |  |  |  |  |
Debt instruments |  |  |  |  |  |  |  |
Principal amount outstanding |  |  |  |  |  | 22,973 |  |
Interest rate | 6.59% | 6.59% | 6.59% |  |  |  |  |
5.45% Senior Notes due 2043 |  |  |  |  |  |  |  |
Debt instruments |  |  |  |  |  |  |  |
Principal amount outstanding | $ 258,750 |  |  |  |  | 258,750 |  |
Interest rate | 5.45% | 5.45% | 5.45% |  |  |  |  |
5.70% Senior Notes due 2043 |  |  |  |  |  |  |  |
Debt instruments |  |  |  |  |  |  |  |
Principal amount outstanding | $ 300,000 |  |  |  |  | 300,000 |  |
Interest rate | 5.70% | 5.70% | 5.70% |  |  |  |  |
4.375% Senior Notes due 2045 |  |  |  |  |  |  |  |
Debt instruments |  |  |  |  |  |  |  |
Principal amount outstanding | $ 300,000 |  |  |  |  | 300,000 |  |
Interest rate | 4.375% | 4.375% | 4.375% |  |  |  |  |
Mortgage loans and other |  |  |  |  |  |  |  |
Debt instruments |  |  |  |  |  |  |  |
Principal amount outstanding | $ 1,506,572 |  |  |  |  | 1,718,897 |  |
Unsecured term loan |  |  |  |  |  |  |  |
Debt instruments |  |  |  |  |  |  |  |
Principal amount outstanding | $ 478,600 |  |  |  |  | $ 571,200 |  |

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