v2.4.0.6

Borrowing Arrangements (Details) (USD $) | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2012 Unsecured revolving credit facilities | Dec. 31, 2011 Unsecured revolving credit facilities | Dec. 31, 2012 9% Senior Notes due 2012 | Dec. 31, 2011 9% Senior Notes due 2012 | Dec. 31, 2012 8 1/4% Senior Notes due 2012 | Dec. 31, 2011 8 1/4% Senior Notes due 2012 | Dec. 31, 2012 Unsecured term loan due 2013 | Dec. 31, 2011 Unsecured term loan due 2013 | Dec. 31, 2012 6.25% Senior Notes due 2013 | Dec. 31, 2011 6.25% Senior Notes due 2013 | Dec. 31, 2012 Unsecured term loan due 2015 | Dec. 31, 2011 Unsecured term loan due 2015 | Dec. 31, 2012 3.125% Senior Notes due 2015 | Dec. 31, 2011 3.125% Senior Notes due 2015 | Nov. 30, 2010 3.125% Senior Notes due 2015 | Dec. 31, 2012 6% Senior Notes due 2015 | Dec. 31, 2011 6% Senior Notes due 2015 | Dec. 31, 2012 6 1/2% Senior Notes due 2016 | Dec. 31, 2011 6 1/2% Senior Notes due 2016 | Dec. 31, 2012 Unsecured term loan due 2017 | Dec. 31, 2011 Unsecured term loan due 2017 | Dec. 31, 2012 6 3/4% Senior Notes due 2017 | Dec. 31, 2011 6 3/4% Senior Notes due 2017 | Dec. 31, 2010 6 3/4% Senior Notes due 2017 | Dec. 31, 2012 Unsecured term loan due 2018 | Dec. 31, 2011 Unsecured term loan due 2018 | Dec. 31, 2012 2.00% Senior Notes due 2018 | Dec. 31, 2011 2.00% Senior Notes due 2018 | Dec. 31, 2012 4.00% Senior Notes due 2019 | Apr. 30, 2012 4.00% Senior Notes due 2019 | Dec. 31, 2011 4.00% Senior Notes due 2019 | Dec. 31, 2012 4.750% Senior Notes due 2021 | Dec. 31, 2011 4.750% Senior Notes due 2021 | May 31, 2011 4.750% Senior Notes due 2021 | Dec. 31, 2012 4.25% senior notes due 2022 | Feb. 29, 2012 4.25% senior notes due 2022 | Dec. 31, 2011 4.25% senior notes due 2022 | Dec. 31, 2012 3.25% Senior Notes due 2022 | Dec. 31, 2011 3.25% Senior Notes due 2022 | Dec. 31, 2012 6.90% Senior Notes due 2037 | Dec. 31, 2011 6.90% Senior Notes due 2037 | Dec. 31, 2012 6.59% Senior Notes due 2038 | Dec. 31, 2011 6.59% Senior Notes due 2038 | Dec. 31, 2012 Mortgage loans and other | Dec. 31, 2011 Mortgage loans and other | Dec. 31, 2012 Unsecured term loan | Dec. 31, 2012 Mortgage loans property loan | Dec. 31, 2011 Mortgage loans property loan
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Debt instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total | $ 8,186,315,000 | $ 6,180,443,000 |  | $ 540,727,000 | $ 455,578,000 | $ 0 | $ 82,433,000 | $ 0 | $ 72,950,000 | $ 0 | $ 200,000,000 | $ 269,850,000 | $ 269,850,000 | $ 130,336,000 | [1] | $ 126,875,000 | [1] | $ 400,000,000 | $ 400,000,000 |  | $ 234,420,000 | $ 234,420,000 | $ 0 | $ 200,000,000 | $ 375,000,000 | [1] | $ 375,000,000 | [1] | $ 0 | $ 225,000,000 |  | $ 180,000,000 | $ 0 | $ 700,000,000 | $ 0 | $ 600,000,000 | $ 600,000,000 | $ 0 | $ 700,000,000 | $ 700,000,000 | $ 700,000,000 | $ 600,000,000 | $ 600,000,000 | $ 0 | $ 500,000,000 | $ 0 | $ 52,400,000 | $ 52,400,000 | $ 22,973,000 | $ 22,973,000 | $ 2,880,609,000 | [2] | $ 2,762,964,000 | [2] |  | $ 23,200,000 | $ 14,600,000
Capital lease obligations | 142,412,000 | 143,006,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unamortized fair value adjustment | 111,623,000 | 144,923,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unamortized commission fees and discounts | (26,704,000) | (39,256,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior notes payable and other debt | 8,413,646,000 | 6,429,116,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (as a percent) | 9.00% |  | 7.125% |  |  | 9.00% | 9.00% | 8.25% | 8.25% |  |  | 6.25% | 6.25% |  |  |  |  | 3.125% | 3.125% | 3.125% | 6.00% | 6.00% | 6.50% | 6.50% |  |  |  |  | 6.75% | 6.75% | 6.75% |  |  | 2.00% | 2.00% | 4.00% | 400.00% | 4.00% | 4.75% | 4.75% | 4.75% | 4.25% | 4.25% | 4.25% | 3.25% | 3.25% | 6.90% | 6.90% | 6.59% | 6.59% |  |  |  |  |  |  |
Amount outstanding |  |  |  | 540,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 500,000,000 |  |
Principal amount outstanding | $ 8,186,315,000 | $ 6,180,443,000 |  | $ 540,727,000 | $ 455,578,000 | $ 0 | $ 82,433,000 | $ 0 | $ 72,950,000 | $ 0 | $ 200,000,000 | $ 269,850,000 | $ 269,850,000 | $ 130,336,000 | [1] | $ 126,875,000 | [1] | $ 400,000,000 | $ 400,000,000 |  | $ 234,420,000 | $ 234,420,000 | $ 0 | $ 200,000,000 | $ 375,000,000 | [1] | $ 375,000,000 | [1] | $ 0 | $ 225,000,000 |  | $ 180,000,000 | $ 0 | $ 700,000,000 | $ 0 | $ 600,000,000 | $ 600,000,000 | $ 0 | $ 700,000,000 | $ 700,000,000 | $ 700,000,000 | $ 600,000,000 | $ 600,000,000 | $ 0 | $ 500,000,000 | $ 0 | $ 52,400,000 | $ 52,400,000 | $ 22,973,000 | $ 22,973,000 | $ 2,880,609,000 | [2] | $ 2,762,964,000 | [2] |  | $ 23,200,000 | $ 14,600,000
[1] | These amounts represent in aggregate the approximate $500.0 million of borrowings outstanding under our unsecured term loan facility. Certain amounts included in the 2015 tranche are in the form of Canadian dollar borrowings.
[2] | Excludes debt related to real estate assets classified as held for sale as of December 31, 2012 and 2011, respectively. The total mortgage debt for these properties as of December 31, 2012 and 2011 was $23.2 million and $14.6 million, respectively, and is included in accounts payable and other liabilities on our Consolidated Balance Sheets.

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- Definition Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 7 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737 + Details
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- Definition Amount borrowed under the credit facility as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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