CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 846,842	$ 554,494	$ 344,395
Change in net unrealized gains (losses) on securities:
Unrealized gains (losses)	7,776	(5,396)	937
Reclassification adjustment realized in net income		5,396	(12,742)
Change in net unrealized gains (losses) on cash flow hedges:
Unrealized losses	(3,127)	(4,367)	(996)
Reclassification adjustment realized in net income	387	(1,033)	1,453
Change in Supplemental Executive Retirement Plan obligation	(356)	(495)	43
Foreign currency translation adjustment	249	(450)	202
Total other comprehensive income (loss)	4,929	(6,345)	(11,103)
Total comprehensive income	851,771	548,149	333,292
Total comprehensive income attributable to noncontrolling interests	(14,302)	(15,603)	(13,686)
Total comprehensive income attributable to HCP, Inc.	$ 837,469	$ 532,546	$ 319,606

The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

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Period Type:	duration

- Details

Name:	us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration