"We are discussing it with the children and how they imagine it might be," Jolie, 38, who stars in the new film Maleficent, tells PEOPLE in this week's cover story. "Which is verging on hysterical, how kids envision a wedding."
"They will, in a way, be the wedding planners," she says of Maddox, 12, Pax, 10, Zahara, 9, Shiloh, 7, and twins Knox and Vivienne, 5. "It's going to be Disney or paintball – one or the other!"
The Oscar winner, who briefly shares the screen with daughter Viv in Maleficent, out May 30, also opens up about how parenthood has transformed her relationship with Pitt, 50.
"You're not lovers or boyfriend and girlfriend as much as you are a family," she says.
The actress, who underwent a preventive double mastectomy last year, also discusses the impact of that decision.
"I'm really happy about the choices I've made," she says, "and I feel even more connected to other people, especially women."
For much more with Angelina Jolie, including her recent Mother's Day and the movie she plans to make with Brad Pitt, pick up this week's issue of PEOPLE magazine, on newsstands Friday