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Income Taxes (Tables)
6 Months Ended
Jun. 30, 2011
Income Taxes (Tables) [Abstract]  
Effective income tax rate reconciliation

The following table summarizes the Company's effective tax rate from continuing operations:

  Three Months Ended  Six Months Ended  Year Ended 
  June 30, 2011  June 30, 2011  December 31, 2010 
Effective tax rate(a)(b)  27  29 32

(a)       Each of the periods reflects recurring, permanent tax benefits in relation to the level of pretax income.

(a)       Each of the periods reflects recurring, permanent tax benefits in relation to the level of pretax income.

(b)       The income tax provision from continuing operations for the three and six months ended June 30, 2011 includes the impact of a $102 million tax benefit related to the favorable resolution of certain prior years' tax items.