Subsequent Events (Details) (Subsequent, USD $) In Millions, unless otherwise specified	0 Months Ended
May 02, 2013
Subsequent
Subsequent Events
Loan receivable purchased, acquisition cost	$ 165

Represents the acquisition cost of loans receivable purchased during the period.

No definition available.

Name:	hcp_LoanReceivablePurchasedAcquisitionCost
Namespace Prefix:	hcp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration