That isn't how antitrust works. In the US, having a monopoly is not a crime; abusing a monopoly is. The consent decree had very specific goals and requirements,

That isn't how antitrust works. In the US, having a monopoly is not a crime; abusing a monopoly is. The consent decree had very specific goals and requirements, you can go read about it at Wikipedia. But none of them were about shrinking their market share. The European EC decision was different, but also was not targeting market share.