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Quarterly Financial Data (Unaudited)
12 Months Ended
Dec. 31, 2011
Quarterly Financial Data [Abstract]  
Quarterly Financial Data (Unaudited)
17. Quarterly Financial Data (Unaudited)

 

 

                                 
(In millions, except per share data)                        
         

2011 Quarter Ended

  December 31     September 30     June 30     March 31  

Net sales

  $ 1,618     $ 1,622     $ 1,692     $ 1,535  

Gross profit

    638       563       599       543  

Net income

    310       267       291       248  

Net income per share, diluted

  $ 2.32     $ 1.94     $ 2.05     $ 1.71  

Basic weighted average number of shares outstanding

    133.26       136.74       141.79       144.80  

Diluted weighted average number of shares outstanding

    133.56       137.02       141.96       144.94  
         

2010 Quarter Ended

  December 31     September 30     June 30     March 31  

Net sales

  $ 1,486     $ 1,567     $ 1,520     $ 1,360  

Gross profit

    538       566       542       478  

Net income

    259       274       263       232  

Net income per share, diluted

  $ 1.74     $ 1.81     $ 1.73     $ 1.50  

Basic weighted average number of shares outstanding

    148.49       151.33       152.04       154.55  

Diluted weighted average number of shares outstanding

    148.76       151.54       152.22       154.72