XML 84 R67.htm IDEA: XBRL DOCUMENT v3.22.4

CREDIT FACILITIES AND LONG-TERM DEBT - Summary of Credit Facilities and Long-Term Debt (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Line of Credit
Debt Instrument [Line Items]
Debt facility	$ 11,950
Outstanding amount, current	1,376	$ 4,240
Net Carrying Amount	3,020	1,862
Line of Credit | Senior Credit Facility
Debt Instrument [Line Items]
Debt facility	8,950
Outstanding amount, current	1,377	4,240
Outstanding amount, noncurrent	1,900	900
Issuance Costs	(1)
Issuance costs	(17)	(3)
Outstanding amount, current	1,376
Net Carrying Amount	1,883	897
Line of Credit | Mezzanine Term Debt Facilities
Debt Instrument [Line Items]
Debt facility	3,000
Outstanding amount, current	0	0
Outstanding amount, noncurrent	1,150	1,000
Issuance costs	(13)	(35)
Net Carrying Amount	1,137	965
Secured Debt
Debt Instrument [Line Items]
Outstanding amount, current		7
Net Carrying Amount		0
Secured Debt | Repo Facility 2019-R1
Debt Instrument [Line Items]
Outstanding amount, current		7
Outstanding amount, noncurrent		$ 0
Weighted average interest rate (in percent)		1.84%
Revolving Facility 2018-2 | Line of Credit | Senior Credit Facility
Debt Instrument [Line Items]
Debt facility	1,000
Outstanding amount, current	472	$ 759
Outstanding amount, noncurrent	$ 0	$ 0
Weighted average interest rate (in percent)	4.86%	2.84%
Revolving Facility 2018-3 | Line of Credit | Senior Credit Facility
Debt Instrument [Line Items]
Debt facility	$ 1,000
Outstanding amount, current	194	$ 673
Outstanding amount, noncurrent	$ 0	$ 0
Weighted average interest rate (in percent)	3.98%	2.39%
Revolving Facility 2019-1 | Line of Credit | Senior Credit Facility
Debt Instrument [Line Items]
Debt facility	$ 900
Outstanding amount, current	55	$ 648
Outstanding amount, noncurrent	$ 0	$ 0
Weighted average interest rate (in percent)	4.41%	2.84%
Revolving Facility 2019-2 | Line of Credit | Senior Credit Facility
Debt Instrument [Line Items]
Debt facility	$ 1,850
Outstanding amount, current	167	$ 1,149
Outstanding amount, noncurrent	$ 0	$ 0
Weighted average interest rate (in percent)	3.92%	2.52%
Revolving Facility 2019-3 | Line of Credit | Senior Credit Facility
Debt Instrument [Line Items]
Debt facility	$ 925
Outstanding amount, current	0	$ 886
Outstanding amount, noncurrent	$ 0	$ 0
Weighted average interest rate (in percent)	3.86%	3.25%
Revolving Facility 2022-1 | Line of Credit | Senior Credit Facility
Debt Instrument [Line Items]
Debt facility	$ 525
Outstanding amount, current	289
Outstanding amount, noncurrent	$ 0
Weighted average interest rate (in percent)	8.15%
Revolving Facility 2021-1 | Line of Credit | Senior Credit Facility
Debt Instrument [Line Items]
Outstanding amount, current		$ 125
Outstanding amount, noncurrent		$ 0
Weighted average interest rate (in percent)		2.15%
Term Debt Facility 2021-S1 | Line of Credit | Senior Credit Facility
Debt Instrument [Line Items]
Debt facility	$ 400
Outstanding amount, current	0	$ 0
Outstanding amount, noncurrent	$ 400	$ 400
Weighted average interest rate (in percent)	3.48%	3.48%
Term Debt Facility 2021-S2 | Line of Credit | Senior Credit Facility
Debt Instrument [Line Items]
Debt facility	$ 600
Outstanding amount, current	0	$ 0
Outstanding amount, noncurrent	$ 500	$ 500
Weighted average interest rate (in percent)	3.20%	3.20%
Term Debt Facility 2021-S3 | Line of Credit | Senior Credit Facility
Debt Instrument [Line Items]
Debt facility	$ 1,000
Outstanding amount, current	0	$ 0
Outstanding amount, noncurrent	$ 750	$ 0
Weighted average interest rate (in percent)	3.75%	3.75%
Term Debt Facility 2022-S1 | Line of Credit | Senior Credit Facility
Debt Instrument [Line Items]
Debt facility	$ 250
Outstanding amount, current	0
Outstanding amount, noncurrent	$ 250
Weighted average interest rate (in percent)	4.07%
Term Debt Facility 2022-S2 | Line of Credit | Senior Credit Facility
Debt Instrument [Line Items]
Debt facility	$ 500
Outstanding amount, current	200
Outstanding amount, noncurrent	$ 0
Weighted average interest rate (in percent)	8.48%
Term Debt Facility 2020-M1 | Line of Credit | Mezzanine Term Debt Facilities
Debt Instrument [Line Items]
Debt facility	$ 2,500
Outstanding amount, current	0	$ 0
Outstanding amount, noncurrent	$ 1,000	$ 1,000
Weighted average interest rate (in percent)	10.00%	10.00%
Term Debt Facility 2022-M1 | Line of Credit | Mezzanine Term Debt Facilities
Debt Instrument [Line Items]
Debt facility	$ 500
Outstanding amount, current	0
Outstanding amount, noncurrent	$ 150
Weighted average interest rate (in percent)	10.00%

X

- Definition

Long-Term Debt, Gross, Current

+ References

No definition available.

+ Details

Name:	open_LongTermDebtGrossCurrent
Namespace Prefix:	open_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Long-Term Debt, Gross, Noncurrent

+ References

No definition available.

+ Details

Name:	open_LongTermDebtGrossNoncurrent
Namespace Prefix:	open_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- 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

X

- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtWeightedAverageInterestRate
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Amount, after accumulated amortization, of debt issuance costs classified as current. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI https://asc.fasb.org/extlink&oid=124435984&loc=d3e28555-108399

+ Details

Name:	us-gaap_DeferredFinanceCostsCurrentNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount, after accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI https://asc.fasb.org/extlink&oid=124435984&loc=d3e28555-108399

+ Details

Name:	us-gaap_DeferredFinanceCostsNoncurrentNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ 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
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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

X

- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ 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
-Subparagraph (SX 210.5-02.19,20)
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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

X

- Definition

Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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

X

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_LineOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=open_AssetBackSeniorCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=open_MezzanineTermDebtFacilitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SecuredDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=open_RepoFacility2019R1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CreditFacilityAxis=open_RevolvingFacility20182Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CreditFacilityAxis=open_RevolvingFacility20183Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CreditFacilityAxis=open_RevolvingFacility20191Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CreditFacilityAxis=open_RevolvingFacility20192Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CreditFacilityAxis=open_RevolvingFacility20193Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CreditFacilityAxis=open_RevolvingFacility20221Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CreditFacilityAxis=open_RevolvingFacility20211Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CreditFacilityAxis=open_TermDebtFacility2021S1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CreditFacilityAxis=open_TermDebtFacility2021S2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CreditFacilityAxis=open_TermDebtFacility2021S3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CreditFacilityAxis=open_TermDebtFacility2022S1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CreditFacilityAxis=open_TermDebtFacility2022S2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CreditFacilityAxis=open_TermDebtFacility2020M1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CreditFacilityAxis=open_TermDebtFacility2022M1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: