Description of the Plan - Participant and Non-Participant Directed Investments (Details) - The Magna Group of Companies Retirement Savings Plans - Employer's securities |
12 Months Ended |
|---|---|
Dec. 31, 2025 | |
| Description of the Plan | |
| Maximum diversification percent | 100.00% |
| Non-participant directed | Deferred Profit - Sharing | |
| Description of the Plan | |
| Deferred profit sharing (as a percent) | 57.14% |