Is a GM salaried pension administrated by Prudential considered private or public for Michigan ?

It would be considered a private pension plan since it is not run by the state or local government. Please view the following link for more information.

https://pocketsense.com/public-pensions-vs-private-pensions-13732.html

Would there be any deduction for a private pension plan from MI State if the Prudential Pension plan was a qualified plan, which it is.