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Income Taxes
9 Months Ended
Sep. 30, 2011
Income Taxes 
Income Taxes

Note 15. Income Taxes

We recorded income tax expense of $74 million for the three months ended September 30, 2011, compared to income tax expense of $236 million for the three months ended September 30, 2010. Income tax expense for the nine months ended September 30, 2011 was $465 million, compared to $361 million for the nine months ended September 30, 2010. Our effective tax rates for the three and nine months ended September 30, 2011 were 11.7% and 23.2%, respectively, compared to 30.1% and 19.7% for the three and nine months ended September 30, 2010. Income tax expense and the effective tax rates for the three and nine months ended September 30, 2011 included a discrete tax benefit of $91 million related to the cost of terminating funding obligations that supported former conduit asset structures. Income tax expense and the effective tax rate for the nine months ended September 30, 2010 reflected a discrete tax benefit of $180 million related to the cost of terminating funding obligations that supported former conduit asset structures.