Amount of federal and state built-in tax from assets sold within certain period of time.

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Period of time within which the assets sold will be subject to federal built-in gain tax.

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Represents the amount of debt provided.

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Represents information pertaining to the direct financing leases accretion.

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Represents the number of properties sold during the period, not categorized as discontinued operations.

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Period of time within which the Company intended to hold the assets, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The number of properties held for sale at the reporting date.

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Amount of state built-in tax from assets sold within certain period of time.

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Total consideration, cash and noncash, received by seller for the sale of real estate.

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Revenue realized in the period on direct financing leases.

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Amount classified as property, plant and equipment attributable to disposal group held for sale or disposed of, expected to be disposed of after one year or the normal operating cycle, if longer.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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The net gain (loss) resulting from sales and other disposals of real estate owned for investment purposes.

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The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination.

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The cash inflow associated with the proceeds from sale of notes receivable, as well as principal collections from a borrowing supported by a written promise to pay an obligation (note receivable).

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Discontinued Operations and Dispositions of Real Estate - HCR ManorCare, Inc. (Details)	1 Months Ended			3 Months Ended		6 Months Ended	12 Months Ended
	Apr. 30, 2017 USD ($)	Jan. 31, 2017 USD ($) facility	Dec. 31, 2015	Mar. 31, 2017 USD ($) property facility	Mar. 31, 2016 USD ($)	Jun. 30, 2016 USD ($)	Dec. 31, 2011 USD ($)	Dec. 31, 2016 USD ($) property facility
Dispositions of Real Estate
DFL income				$ 13,712,000	$ 14,910,000
Real estate and other related assets, net								$ 809,000,000
Gain on sales of real estate, net				317,258,000
California
Dispositions of Real Estate
Total consideration for disposition of real estate	$ 27,000,000
Maximum
Dispositions of Real Estate
Federal and state built-in gain tax from assets sold							$ 2,000,000,000
HCRMC
Dispositions of Real Estate
DFL income						$ 113,000,000
DFL accretion				$ 0
Federal and state built-in gain tax from assets sold, term							10 years
Intended To Hold The Assets, Term							10 years
Federal built-in gain tax from assets sold, federal term			5 years
State built-in gain from assets sold					$ 49,000,000
SH NNN
Dispositions of Real Estate
Number of properties classified as held for sale \| property				64				64
Life science
Dispositions of Real Estate
Number of properties classified as held for sale \| facility								4
Number of properties disposed \| facility		4
Total consideration for disposition of real estate		$ 76,000,000
Gain on sales of real estate, net		45,000,000
SHOP
Dispositions of Real Estate
Number of properties classified as held for sale \| facility								1
Brookdale Senior Living \| SH NNN
Dispositions of Real Estate
Number of properties disposed \| facility				64
Total consideration for disposition of real estate				$ 1,125,000,000
Gain on sales of real estate, net				$ 170,000,000
HCP/CPA/Brookdale JV
Dispositions of Real Estate
Debt provided		602,000,000
Debt provided by third-party		360,000,000
Debt provided by entity		242,000,000
Proceeds from issuance of debt, net		480,000,000
Proceeds from note receivable		242,000,000
RIDEA II \| HCP/CPA/Brookdale JV
Dispositions of Real Estate
Gain on sales of real estate, net		$ 99,000,000
Investment ownership percentage		40.00%