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Investments in and Advances to Unconsolidated Joint Ventures (Details 2) (USD $)	0 Months Ended	12 Months Ended
	Apr. 07, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Company owned interests in entities, accounted under equity method:
Investments in and advances to unconsolidated joint ventures		$ 196,576,000	$ 212,213,000
Investment reported in liabilities		(1,011,000)
Impairment related to goodwill		0
Tax expense		5,815,000	(1,654,000)	1,301,000
Impairments of investments in unconsolidated joint ventures		0
Summarized combined financial information for unconsolidated joint ventures:
Real estate, net		3,662,450,000	3,731,740,000
Goodwill and other assets, net		5,384,553,000	5,734,318,000
Total assets		9,047,003,000	9,466,058,000
Capital lease obligations and mortgage debt		6,768,815,000	6,875,932,000
Accounts payable		1,045,260,000	971,095,000
Other partners' capital		1,098,228,000	1,435,885,000
HCP's capital		134,700,000	183,146,000
Total liabilities and partners' capital		9,047,003,000	9,466,058,000
Combined basis difference		60,000,000
Total revenues		4,269,156,000	4,260,319,000	4,388,376,000
Net loss		(362,379,000)	(15,865,000)	(827,306,000)
HCP's share in earnings		64,433,000	54,455,000	46,750,000
Fees earned by HCP		1,847,000	1,895,000	2,073,000
Distributions received by HCP		18,091,000	6,299,000	5,681,000
HCR ManorCare | Post-acute/skilled
Company owned interests in entities, accounted under equity method:
Investments in and advances to unconsolidated joint ventures		84,099,000
Investment ownership percentage	9.90%	9.50%
Payment to acquire equity method investment	95,000,000
Impairment related to goodwill				865,000,000
Tax expense		400,000,000
Recharacterized DFL income to equity income		62,100,000	59,400,000	42,200,000
HCP Ventures III, LLC | Medical office
Company owned interests in entities, accounted under equity method:
Investments in and advances to unconsolidated joint ventures		7,147,000
Investment ownership percentage		30.00%
HCP Ventures IV, LLC | Hospital and medical office segments
Company owned interests in entities, accounted under equity method:
Investments in and advances to unconsolidated joint ventures		29,715,000
Investment ownership percentage		20.00%
HCP Life Science | Life science
Company owned interests in entities, accounted under equity method:
Investments in and advances to unconsolidated joint ventures		68,843,000
Number of unconsolidated joint ventures		3
HCP Life Science | Life science | Minimum
Company owned interests in entities, accounted under equity method:
Investment ownership percentage		50.00%
HCP Life Science | Life science | Maximum
Company owned interests in entities, accounted under equity method:
Investment ownership percentage		63.00%
Torrey Pines Science Center, LP | Life science
Company owned interests in entities, accounted under equity method:
Investment ownership percentage		50.00%
Britannia Biotech Gateway, LP | Life science
Company owned interests in entities, accounted under equity method:
Investment ownership percentage		55.00%
LASDK, LP | Life science
Company owned interests in entities, accounted under equity method:
Investment ownership percentage		63.00%
Suburban Properties, LLC | Medical office
Company owned interests in entities, accounted under equity method:
Investments in and advances to unconsolidated joint ventures		6,403,000
Investment ownership percentage		67.00%
Advances to unconsolidated joint ventures, net
Company owned interests in entities, accounted under equity method:
Investments in and advances to unconsolidated joint ventures		369,000
Edgewood Assisted Living Center, LLC | Senior housing
Company owned interests in entities, accounted under equity method:
Investment reported in liabilities		(386,000)
Investment ownership percentage		45.00%
Seminole Shores Living Center, LLC | Senior housing
Company owned interests in entities, accounted under equity method:
Investment reported in liabilities		(625,000)
Investment ownership percentage		50.00%
Senior housing partnership | Senior housing
Company owned interests in entities, accounted under equity method:
Investments in and advances to unconsolidated joint ventures		$ 0
Investment ownership percentage		72.00%

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