Long Term Debt, Excluding Disposal Group

No definition available.

Name:	hcp_LongTermDebtExcludingDisposalGroup
Namespace Prefix:	hcp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
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-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
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+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

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.

+ References

No definition available.

+ Details

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

- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
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-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer).

+ References

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+ Details

Name:	us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash outflow for a long-term debt where the holder has highest claim on the entity's asset in case of bankruptcy or liquidation during the period.

+ References

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-Publisher FASB
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_UnsecuredDebtMember
Namespace Prefix:
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Balance Type:
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- Details

Name:	us-gaap_DebtInstrumentAxis=hcp_SeniorUnsecuredNotesDue2026Member
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- Details

Name:	us-gaap_DebtInstrumentAxis=hcp_SeniorUnsecuredNotesDue2029Member
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- Details

Name:	us-gaap_DebtInstrumentAxis=hcp_SeniorUnsecuredNotesDue2020Member
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- Details

Name:	us-gaap_DebtInstrumentAxis=hcp_SeniorNotesDue2022Member
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Balance Type:
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- Details

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- Details

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- Details

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- Details

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- Details

Name:	us-gaap_DebtInstrumentAxis=hcp_UnsecuredNote4.250PercentMember
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Debt - Senior Unsecured Notes (Details) - USD ($)				1 Months Ended	3 Months Ended
Debt - Senior Unsecured Notes (Details) - USD ($)	Nov. 21, 2019	Jul. 22, 2019	Jul. 08, 2019	Jul. 31, 2019	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019	Jul. 05, 2019
Debt Instrument
Long Term Debt, Excluding Disposal Group					$ 6,389,104,000
Principal balance on debt					6,422,257,000
Loss on extinguishment of debt					(833,000)	$ 0
Senior Unsecured Note
Debt Instrument
Long Term Debt, Excluding Disposal Group					5,650,053,000
Issuances of senior unsecured notes					0	0
Principal balance on debt					5,700,000,000
Repayment of senior unsecured notes					$ 0	$ 0
Senior Unsecured Note \| 2026 Notes
Debt Instrument
Face amount								$ 650,000,000
Percentage of stated interest rate								3.25%
Senior Unsecured Note \| 2029 Notes
Debt Instrument
Face amount								$ 650,000,000
Percentage of stated interest rate								3.50%
Senior Unsecured Note \| 2020 Notes
Debt Instrument
Repayment of senior unsecured notes		$ 800,000,000
Percentage of stated interest rate		2.625%					2.625%
Senior Unsecured Note \| 2022 Notes
Debt Instrument
Repayment of senior unsecured notes			$ 250,000,000
Percentage of stated interest rate			4.00%				4.00%
Senior Unsecured Note \| 2023 Notes
Debt Instrument
Percentage of stated interest rate							4.25%
Senior Unsecured Note \| Senior Notes Due 2020, 2022, and 2023
Debt Instrument
Loss on extinguishment of debt				$ 35,000,000
Senior Unsecured Note \| 2030 Notes
Debt Instrument
Face amount	$ 750,000,000
Percentage of stated interest rate	3.00%
Senior Unsecured Note \| 2022 Notes
Debt Instrument
Repayment of senior unsecured notes	$ 350,000,000
Percentage of stated interest rate	4.00%
Loss on extinguishment of debt	$ 22,000,000
Senior Unsecured Note \| 2023 Notes
Debt Instrument
Repayment of senior unsecured notes			$ 250,000,000
Percentage of stated interest rate			4.25%