XML 32 R45.htm IDEA: XBRL DOCUMENT

Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Income Tax Disclosure [Abstract]
Estimated annual tax rate	27.00%	27.00%
Benefit reflecting the impact of the American Taxpayer Relief Act	$ 7

- Definition

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