Leases - GLPI Leases and Lease Covenants (Details) $ in Millions	12 Months Ended
Dec. 31, 2024 USD ($) term yr
Lessee, Lease, Description [Line Items]
Lease term	20 years
Imputed discount rate	9.75%
Escalation provision, percent	1.02
Lessee, operating lease, lease year	2
Lessee, leasing arrangements, percentage of EBITDAR to rent ratio floor	120.00%
Minimum
Lessee, Lease, Description [Line Items]
Lessee, operating lease, preceding year	2
Maximum
Lessee, Lease, Description [Line Items]
Lessee, operating lease, preceding year	5
Master Lease Arrangement
Lessee, Lease, Description [Line Items]
Operating lease, term of contract	20 years
Number of renewal terms \| term	4
Finance lease, renewal term	5 years
Lumiere Lease Arrangement
Lessee, Lease, Description [Line Items]
Number of renewal terms \| term	4
Finance lease, renewal term	5 years
Escalation provision, percent	1.0125
GLPI
Lessee, Lease, Description [Line Items]
Escalation provision, percent	1.0175
Lumiere Lease
Lessee, Lease, Description [Line Items]
Lease agreement, amount of percentage, base rent \| $	$ 23
Escalation provision, percent	1.0175
Lumiere Lease \| Gaming And Leisure Properties Master Lease, Six Year Option
Lessee, Lease, Description [Line Items]
Lessee, operating lease, lease year	6
Lumiere Lease \| Gaming And Leisure Properties Master Lease, Seven Year Option
Lessee, Lease, Description [Line Items]
Lessee, operating lease, lease year	7
Land \| GLPI
Lessee, Lease, Description [Line Items]
Lease agreement, amount of percentage, base rent \| $	$ 24
Building \| GLPI
Lessee, Lease, Description [Line Items]
Lease agreement, amount of percentage, base rent \| $	$ 63
Escalation provision, percent	1.0125
Building \| GLPI \| Gaming And Leisure Properties Master Lease, Five Year Option
Lessee, Lease, Description [Line Items]
Lessee, operating lease, preceding year	5
Building \| GLPI \| Gaming And Leisure Properties Master Lease, Six Year Option
Lessee, Lease, Description [Line Items]
Lessee, operating lease, preceding year	6
Building \| GLPI \| Gaming And Leisure Properties Master Lease, Seven Year Option
Lessee, Lease, Description [Line Items]
Lessee, operating lease, lease year	7
Building \| GLPI \| Gaming And Leisure Properties Master Lease, Eight Year Option
Lessee, Lease, Description [Line Items]
Lessee, operating lease, lease year	8

Failed sale leaseback transaction imputed interest rate.

No definition available.

Name:	czr_FailedSaleLeasebackTransactionImputedInterestRate
Namespace Prefix:	czr_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Failed sale leaseback transaction lease term.

+ References

No definition available.

+ Details

Name:	czr_FailedSaleLeasebackTransactionLeaseTerm
Namespace Prefix:	czr_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Lessee, Leasing Arrangements, Percentage Of EBITDAR To Rent Ratio Floor

+ References

No definition available.

+ Details

Name:	czr_LesseeLeasingArrangementsPercentageOfEBITDARToRentRatioFloor
Namespace Prefix:	czr_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Lessee, Number Of Renewal Terms

+ References

No definition available.

+ Details

Name:	czr_LesseeNumberOfRenewalTerms
Namespace Prefix:	czr_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Lessee, Operating Lease, Escalation Provision, Percent

+ References

No definition available.

+ Details

Name:	czr_LesseeOperatingLeaseEscalationProvisionPercent
Namespace Prefix:	czr_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Lessee, Operating Lease, Lease Year

+ References

No definition available.

+ Details

Name:	czr_LesseeOperatingLeaseLeaseYear
Namespace Prefix:	czr_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Lessee, Operating Lease, Preceding Year

+ References

No definition available.

+ Details

Name:	czr_LesseeOperatingLeasePrecedingYear
Namespace Prefix:	czr_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Term of lessee's finance lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-3

+ Details

Name:	us-gaap_LesseeFinanceLeaseRenewalTerm1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 7A
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-7A

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-3

+ Details

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

- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

+ Details

Name:	us-gaap_LesseeOperatingLeaseTermOfContract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Cash payments to lessor's for use of assets under operating leases.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 25
-Subparagraph (g)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-25

+ Details

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

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=czr_MasterLeaseArrangementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=czr_LumiereLeaseArrangementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=czr_GamingAndLeisurePropertiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=czr_LumiereLeaseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LeaseContractualTermAxis=czr_GamingAndLeisurePropertiesMasterLeaseSixYearOptionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LeaseContractualTermAxis=czr_GamingAndLeisurePropertiesMasterLeaseSevenYearOptionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=us-gaap_LandMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=us-gaap_BuildingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LeaseContractualTermAxis=czr_GamingAndLeisurePropertiesMasterLeaseFiveYearOptionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LeaseContractualTermAxis=czr_GamingAndLeisurePropertiesMasterLeaseEightYearOptionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: