XML 39 R26.htm IDEA: XBRL DOCUMENT

Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Effective tax rate (in hundredths)	25.00%	32.00%	28.00%	33.00%
Reduction In Liability For Uncertain Tax Positions	$ 17		$ 25
Unrecognized tax benefits	0		0		44
Portion of unrecognized tax benefits that, if recognized, would reduce the effective tax rate	0		0		18
Interest accrued on unrecognized tax benefits	$ 0		$ 0		$ 5

A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

+ References+ Details

- Definition

This element represents the amount of interest expense accrued as of the date of the statement of financial position for an underpayment of income taxes computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity.

+ References+ Details