Income Taxes (Tables)

9 Months Ended

Sep. 30, 2012

Differences Between 35 Percent Statutory Income Tax Rate and Effective Income Tax Rate

The differences between the 35 percent statutory income tax rate and our effective income tax rate were as follows:

	Three months ended September 30,										Nine months ended September 30,
(Dollars in millions)	2012					2011					2012					2011
Tax at statutory rate	$	53		35.0	%	$	4		35.0	%	$	103		35.0	%	$	(5	)	35.0	%
Increase (decrease) resulting from:
Tax-exempt income from municipal bonds		(8	)	(5.3	)		(9	)	(81.8	)		(25	)	(8.5	)		(26	)	200.0
Dividend received exclusion		(6	)	(4.0	)		(5	)	(45.5	)		(17	)	(5.8	)		(15	)	115.4
Other		2		1.3			2		19.6			3		1.1			3		(19.6	)
Provision (benefit) for income taxes	$	41		27.0	%	$	(8	)	(72.7	)%	$	64		21.8	%	$	(43	)	330.8	%