Stockholder's Equity - Narrative (Details) $ in Millions |
1 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Dec. 31, 2024
USD ($)
|
Mar. 31, 2024
USD ($)
member
Rate
|
Jun. 30, 2025
USD ($)
Rate
|
Jun. 30, 2024
USD ($)
|
|
| Equity, Class of Treasury Stock [Line Items] | ||||
| Percentage of common stock purchased | Rate | 23.00% | |||
| Stock repurchased, excluding excise tax | $ 2,000 | |||
| Shares approved for repurchase, amount | $ 850 | |||
| Share repurchase program, remaining authorized amount | 995 | |||
| Number of former members, equity units acquired | member | 2 | |||
| Repurchase of noncontrolling interest | $ 0 | $ 39 | ||
| Cumulus Digital Holdings LLC | ||||
| Equity, Class of Treasury Stock [Line Items] | ||||
| Repurchase of noncontrolling interest | $ 39 | |||
| Ownership percentage | Rate | 100.00% | |||