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Note 3 - Business Combinations Business Combinations (Tables)
3 Months Ended
Mar. 31, 2012
Business Combinations [Abstract]  
Schedule of unaudited pro forma financial information
The unaudited pro forma financial information is as follows (in millions, except per share amounts):
 
Three Months Ended March 31,
 
2011
Total revenues
$
2,753

Net income
446

Basic earnings per share
0.34

Diluted earnings per share
$
0.34