DETROIT - AUGUST 17: The logo for the General Motors Company is seen at the top of its World Headquarters and Renaissance Center complex is seen August 17, 2010 in Detroit, Michigan. GM intends to file paperwork as soon as Tuesday for an initial public offering (IPO) of its stock allowing the U.S. government who owns 61 percent of the automaker to sell off its shares. (Photo by Bill Pugliano/Getty Images)