Line of Credit Facility, Accordion Feature, Higher Borrowing Capacity Option

No definition available.

Name:	eri_LineOfCreditFacilityAccordionFeatureHigherBorrowingCapacityOption
Namespace Prefix:	eri_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line of Credit Facility, Accordion Feature, Increase Limit

+ References

No definition available.

+ Details

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Namespace Prefix:	eri_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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

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Balance Type:	na
Period Type:	duration

- 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
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399

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-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

+ Details

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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
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Period remaining on line of credit facility before it terminates, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- 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 http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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

- Definition

Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
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-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
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-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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Period Type:	duration

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Merger Related Transactions - Debt and Financing Activity (Details) - USD ($)		6 Months Ended
	Jul. 20, 2020	Jun. 30, 2020	Jun. 30, 2019	Jul. 06, 2020	Jun. 15, 2020
Business Acquisition [Line Items]
Payments under Revolving Credit Facility		$ 357,000,000	$ 245,000,000
Line of Credit \| Revolving Credit Facility
Business Acquisition [Line Items]
Credit facility					$ 200,000,000.0
Line of Credit \| Revolving Credit Facility \| Subsequent Event
Business Acquisition [Line Items]
Line of credit facility, expiration period	5 years
Credit facility	$ 1,000,000,000.0
Line of Credit \| Revolving Credit Facility \| Subsequent Event \| Caesars Resort Collection
Business Acquisition [Line Items]
Credit facility	185,000,000
Line of credit facility, accordion feature, increase limit	25,000,000
Line of credit facility, accordion feature, higher borrowing capacity option	1,000,000,000.0
Payments under Revolving Credit Facility	975,000,000
Line of Credit \| Bridge Loan \| Subsequent Event \| Caesars Resort Collection
Business Acquisition [Line Items]
Credit facility	1,800,000,000
Senior Secured Notes 6.250 Due 2025 \| Senior Notes \| Subsequent Event
Business Acquisition [Line Items]
Debt instrument, face amount				$ 3,400,000,000
Interest rate (as a percent)				6.25%
Senior Secured Notes 8.125 Due 2027 \| Senior Notes \| Subsequent Event
Business Acquisition [Line Items]
Debt instrument, face amount				$ 1,800,000,000
Interest rate (as a percent)				8.125%
Senior Secured Notes 5.750 Due 2025 \| Senior Notes \| Subsequent Event
Business Acquisition [Line Items]
Debt instrument, face amount				$ 1,000,000,000.0
Interest rate (as a percent)				5.75%
Convertible Notes 5% due 2024 \| Senior Notes \| Subsequent Event
Business Acquisition [Line Items]
Debt instrument, face amount	$ 1,100,000,000
Interest rate (as a percent)	5.00%
Senior Notes 6% due 2025 \| Senior Notes \| Subsequent Event
Business Acquisition [Line Items]
Interest rate (as a percent)	6.00%
Senior Notes 7% due 2023 \| Senior Notes \| Subsequent Event
Business Acquisition [Line Items]
Interest rate (as a percent)	7.00%