Carrying amount of healthcare facilities which are secured by mortgage debt.

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Number of healthcare facilities which are secured by mortgage debt.

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The portion of the outstanding balance of the debt that is denominated in a foreign currency.

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The portion of the outstanding balance of the line of credit that is denominated in a foreign currency.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Amount, after accumulated amortization, of debt discount (premium).

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Weighted average interest rate of debt outstanding.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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The carrying amount as of the balance sheet date for the aggregate of other miscellaneous borrowings owed by the reporting entity.

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Debt - Mortgage Debt (Details) $ in Thousands, £ in Millions		1 Months Ended	9 Months Ended
	Jun. 30, 2017 GBP (£)	Mar. 31, 2017 USD ($)	Sep. 30, 2017 USD ($) facility	Sep. 30, 2017 GBP (£) facility	Dec. 31, 2016 USD ($)
Debt Instrument
Total debt before discount, net			$ 7,421,932
(Discounts), premiums and debt costs, net			(50,547)
Debt instruments, carrying amount			7,371,385
Other debt			94,818		$ 92,385
Debt maturing in 2017
Debt Instrument
2017			847
Debt maturing in 2018
Debt Instrument
2018			609,349
Debt maturing in 2019
Debt Instrument
2019			680,380
Debt maturing in 2020
Debt Instrument
2020			803,758
Debt maturing in 2021
Debt Instrument
2021			711,117
Thereafter
Debt Instrument
Thereafter			4,616,481
2015 Term Loan
Debt Instrument
Repayments of debt \| £	£ 51
Term loans, portion denominated in GBP \| £				£ 169
Bank Line of Credit
Debt Instrument
Total debt before discount, net			605,837
(Discounts), premiums and debt costs, net			0
Debt instruments, carrying amount			$ 605,837
Line of credit, portion denominated in GBP \| £				£ 105
Weighted-average interest rate (as a percent)			2.40%	2.40%
Bank Line of Credit \| Debt maturing in 2017
Debt Instrument
2017			$ 0
Bank Line of Credit \| Debt maturing in 2018
Debt Instrument
2018			605,837
Bank Line of Credit \| Debt maturing in 2019
Debt Instrument
2019			0
Bank Line of Credit \| Debt maturing in 2020
Debt Instrument
2020			0
Bank Line of Credit \| Debt maturing in 2021
Debt Instrument
2021			0
Bank Line of Credit \| Thereafter
Debt Instrument
Thereafter			0
Term loans
Debt Instrument
Total debt before discount, net			226,680
(Discounts), premiums and debt costs, net			(475)
Debt instruments, carrying amount			226,205
Term loans \| Debt maturing in 2017
Debt Instrument
2017			0
Term loans \| Debt maturing in 2018
Debt Instrument
2018			0
Term loans \| Debt maturing in 2019
Debt Instrument
2019			226,680
Term loans \| Debt maturing in 2020
Debt Instrument
2020			0
Term loans \| Debt maturing in 2021
Debt Instrument
2021			0
Term loans \| Thereafter
Debt Instrument
Thereafter			0
Unsecured Debt
Debt Instrument
Total debt before discount, net			6,450,000
(Discounts), premiums and debt costs, net			(56,074)
Debt instruments, carrying amount			$ 6,393,926
Weighted-average interest rate (as a percent)			4.19%	4.19%
Weighted-average maturity			6 years
Unsecured Debt \| Minimum
Debt Instrument
Percentage of stated interest rate			2.79%	2.79%
Unsecured Debt \| Maximum
Debt Instrument
Percentage of stated interest rate			6.88%	6.88%
Unsecured Debt \| Debt maturing in 2017
Debt Instrument
2017			$ 0
Unsecured Debt \| Debt maturing in 2018
Debt Instrument
2018			0
Unsecured Debt \| Debt maturing in 2019
Debt Instrument
2019			450,000
Unsecured Debt \| Debt maturing in 2020
Debt Instrument
2020			800,000
Unsecured Debt \| Debt maturing in 2021
Debt Instrument
2021			700,000
Unsecured Debt \| Thereafter
Debt Instrument
Thereafter			$ 4,500,000
Mortgage Debt
Debt Instrument
Number of healthcare facilities used to secure debt \| facility			16	16
Debt instrument, collateral, healthcare facilities carrying value			$ 303,000
Repayments of debt		$ 472,000
Total debt before discount, net			139,415
(Discounts), premiums and debt costs, net			6,002
Debt instruments, carrying amount			$ 145,417
Weighted-average interest rate (as a percent)			4.19%	4.19%
Weighted-average maturity			20 years
Mortgage Debt \| Minimum
Debt Instrument
Percentage of stated interest rate			2.01%	2.01%
Mortgage Debt \| Maximum
Debt Instrument
Percentage of stated interest rate			5.91%	5.91%
Mortgage Debt \| Debt maturing in 2017
Debt Instrument
2017			$ 847
Mortgage Debt \| Debt maturing in 2018
Debt Instrument
2018			3,512
Mortgage Debt \| Debt maturing in 2019
Debt Instrument
2019			3,700
Mortgage Debt \| Debt maturing in 2020
Debt Instrument
2020			3,758
Mortgage Debt \| Debt maturing in 2021
Debt Instrument
2021			11,117
Mortgage Debt \| Thereafter
Debt Instrument
Thereafter			116,481
Life Care Bonds and Demand Notes
Debt Instrument
Other debt			$ 95,000