Segment Information (Tables)

6 Months Ended

Jun. 30, 2023

Segment Reporting [Abstract]

Segment Information

Segment information is summarized in the following table: 

(Dollars in millions)	Three months ended June 30,				Six months ended June 30,
	2023		2022		2023		2022
Revenues:
Commercial lines insurance
Commercial casualty	$	373	$	350	$	750	$	686
Commercial property	312		280		611		554
Commercial auto	214		210		428		415
Workers' compensation	72		68		146		136
Other commercial	95		86		187		165
Commercial lines insurance premiums	1,066		994		2,122		1,956
Fee revenues	1		1		2		2
Total commercial lines insurance	1,067		995		2,124		1,958
Personal lines insurance
Personal auto	173		155		339		307
Homeowner	251		202		484		397
Other personal	69		56		134		111
Personal lines insurance premiums	493		413		957		815
Fee revenues	1		1		2		2
Total personal lines insurance	494		414		959		817
Excess and surplus lines insurance	132		124		259		236
Fee revenues	1		—		1		1
Total excess and surplus lines insurance	133		124		260		237
Life insurance premiums	80		76		157		151
Fee revenues	3		1		5		2
Total life insurance	83		77		162		153
Investments
Investment income, net of expenses	220		195		430		380
Investment gains and losses, net	434		(1,154)		540		(1,820)
Total investment revenue	654		(959)		970		(1,440)
Other
Premiums	172		166		366		308
Other	2		3		5		5
Total other revenues	174		169		371		313
Total revenues	$	2,605	$	820	$	4,846	$	2,038
Income (loss) before income taxes:
Insurance underwriting results
Commercial lines insurance	$	33	$	(62)	$	31	$	14
Personal lines insurance	(36)		(49)		(93)		16
Excess and surplus lines insurance	11		19		24		35
Life insurance	13		1		21		8
Investments	624		(987)		910		(1,495)
Other	21		25		41		18
Total income (loss) before income taxes	$	666	$	(1,053)	$	934	$	(1,404)

Identifiable assets:	June 30, 2023		December 31, 2022
Property casualty insurance	$	5,354	$	5,178
Life insurance	1,542		1,518
Investments	23,535		22,133
Other	921		903
Total	$	31,352	$	29,732