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

16. Quarterly Financial Data (Unaudited)

Summarized quarterly results, were as follows (in millions, except per share data):

 

 

                                 
    First
Quarter
    Second
Quarter
    Third
Quarter
    Fourth
Quarter
 

Year ended December 31, 2011

                               

Revenues

  $ 3,146     $ 3,513     $ 3,740     $ 4,259  

Gross profit

    975       1,083       1,164       1,275  

Net income attributable to Company

    407       481       532       574  

Net income attributable to Company per basic share

    0.97       1.14       1.26       1.36  

Net income attributable to Company per diluted share

    0.96       1.13       1.25       1.35  

Cash dividends per share

    0.11       0.11       0.11       0.12  
         

Year ended December 31, 2010

                               

Revenues

  $ 3,032     $ 2,941     $ 3,011     $ 3,172  

Gross profit

    962       928       945       997  

Net income attributable to Company

    422       401       404       440  

Net income attributable to Company per basic share

    1.01       0.96       0.97       1.05  

Net income attributable to Company per diluted share

    1.01       0.96       0.96       1.05  

Cash dividends per share

    0.10       0.10       0.10       0.11