Commitments and Contingencies - Employees Under Collective Bargaining Agreements (Details) |
Dec. 31, 2019
numberOfEmployees
|
|---|---|
| Other Commitments [Line Items] | |
| Entity number of employees | 91,000 |
| Delta Pilots - Represented by Unions | |
| Other Commitments [Line Items] | |
| Entity number of employees | 13,082 |
| Delta Flight Superintendents (Dispatchers) - Represented by Unions | |
| Other Commitments [Line Items] | |
| Entity number of employees | 443 |
| Endeavor Air Pilots - Represented by Unions | |
| Other Commitments [Line Items] | |
| Entity number of employees | 1,872 |
| Endeavor Air Flight Attendants - Represented by Unions | |
| Other Commitments [Line Items] | |
| Entity number of employees | 1,492 |