Income Taxes (Tables)

9 Months Ended

Sep. 30, 2023

Income Tax Disclosure [Abstract]

Differences Between Statutory Income Tax Rate And Effective Income Tax Rate

The differences between the 21% statutory federal income tax rate and our effective income tax rate were as follows:

(Dollars in millions)	Three months ended September 30,								Nine months ended September 30,
	2023				2022				2023				2022
Tax at statutory rate:	$	(31)	21.0	%	$	(122)	21.0	%	$	165	21.0	%	$	(416)	21.0	%
Increase (decrease) resulting from:
Tax-exempt income from municipal bonds	(5)		3.4		(5)		0.9		(15)		(1.9)		(15)		0.8
Dividend received exclusion	(5)		3.4		(5)		0.9		(16)		(2.0)		(15)		0.8
Release of unrecognized tax benefit	—		—		(34)		5.9		—		—		(34)		1.7
Other	(8)		5.3		5		(0.8)		(8)		(1.1)		(1)		—
Provision (benefit) for income taxes	$	(49)	33.1	%	$	(161)	27.9	%	$	126	16.0	%	$	(481)	24.3	%