Stock-based Compensation Plans - Additional Information (Details) $ in Millions |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
|
Jun. 30, 2026
USD ($)
|
Jun. 30, 2025
USD ($)
|
Jun. 30, 2026
USD ($)
performance_condition
performance_criteria
|
Jun. 30, 2025
USD ($)
|
Dec. 31, 2025
USD ($)
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||||
| Stock-based compensation | $ 13 | $ 11 | |||
| Number of performance criteria | performance_criteria | 2 | ||||
| PSUs | |||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||||
| Liability classified awards | $ 14 | $ 14 | $ 21 | ||
| PSUs | Churchill Downs Incorporated 2016 Omnibus Stock Incentive Plan | |||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||||
| Award vesting period (in years) | 3 years | ||||
| Number of performance conditions | performance_condition | 2 | ||||
| Continuing Operations | |||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||||
| Stock-based compensation | $ 8 | $ 7 | $ 13 | $ 11 | |
| X | ||||||||||
- Definition Number Of Performance Conditions No definition available.
|
| X | ||||||||||
- Definition Number Of Performance Criteria No definition available.
|
| X | ||||||||||
- Definition Aggregate carrying value as of the balance sheet date of the liabilities for stock option plans and other equity-based compensation arrangements. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of noncash expense for share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|