XML 39 R40.htm IDEA: XBRL DOCUMENT

Income Taxes (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Income Taxes (Textuals) [Abstract]
Unrecognized tax benefits	$ 4
Accrued interest	8	8
Federal
Income Taxes (Textuals) [Abstract]
Deferred tax assets		319
Deferred tax assets, portion not expected to be recognized in next fiscal year		$ 229

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards expected to be realized or consumed within one year or operating cycle, if longer.

+ 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