XML 38 R50.htm IDEA: XBRL DOCUMENT v3.2.0.727
Acquisition of Radian Asset Assurance Inc. - Pro Forma Information (Details) - Radian [Member] - USD ($)
$ / shares in Units, $ in Millions
6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Business Acquisition [Line Items]    
Pro forma revenues $ 887 $ 977
Pro forma net income $ 365 $ 470
Pro forma net earnings per share - basic (in dollars per share) $ 2.38 $ 2.60
Pro forma net earnings per share - diluted (in dollars per share) $ 2.36 $ 2.59