What's the minimum you're required to withdraw on a $1 million retirement account?

There are minimum withdrawal rules that could have a big impact on your financial health in retirement. the_burtons/Getty Images Reaching $1 million in your retirement savings is a major milestone, one that many Americans may never achieve. But what you may not realize is that hitting that number doesn't mean you get to decide exactly how and when to access the funds in your retirement account — at least not entirely. …