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Sales of Subsidiaries (Tables)
3 Months Ended
Mar. 31, 2013
Discontinued Operations and Disposal Groups [Abstract]  
Summarized financial information
Summarized Statement of Earnings information for the Medicare supplement and critical illness segment for the first quarter of 2012 is shown below (in millions):
Total revenues
 
$
80

Total costs and expenses
 
74

Earnings before income taxes
 
$
6