There has been tension between McMahon and Shari Redstone in recent months, including over a potential "60 Minutes" settlement with the Trump administration.

McMahon's departure comes just weeks after Bill Owens, the top producer at "60 Minutes," left after he said the newsmagazine had lost its journalistic independence.

Sens. Elizabeth Warren (D., Mass.), Ron Wyden (D., Ore.) and Bernie Sanders (I., Vt.) said they are concerned that the media company “may be engaging in improper conduct involving the Trump Administr...

"It's become clear that the company and I do not agree on the path forward."