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Investments (Tables)

9 Months Ended

Sep. 30, 2022

Amortized cost and fair value of investments in fixed maturities [Table Text Block]

The amortized cost and fair value of investments in fixed maturities classified as available for sale were as follows:


	Amortized Cost		Allowance for Expected Credit Losses		Gross Unrealized				Fair Value
(at September 30, 2022, in millions)					Gains		Losses
U.S. Treasury securities and obligations of U.S. government and government agencies and authorities	$	4,453	$	—	$	—	$	419	$	4,034
Obligations of U.S. states, municipalities and political subdivisions:
Local general obligation	19,851		—		5		2,644		17,212
Revenue	11,066		—		7		1,265		9,808
State general obligation	1,131		—		1		128		1,004
Pre-refunded	3,100		—		10		6		3,104
Total obligations of U.S. states, municipalities and political subdivisions	35,148		—		23		4,043		31,128
Debt securities issued by foreign governments	995		—		1		55		941
Mortgage-backed securities, collateralized mortgage obligations and pass-through securities	2,020		—		10		210		1,820
Corporate and all other bonds	33,855		3		22		3,347		30,527
Total	$	76,471	$	3	$	56	$	8,074	$	68,450


	Amortized Cost		Allowance for Expected Credit Losses		Gross Unrealized				Fair Value
(at December 31, 2021, in millions)					Gains		Losses
U.S. Treasury securities and obligations of U.S. government and government agencies and authorities	$	3,574	$	—	$	20	$	32	$	3,562
Obligations of U.S. states, municipalities and political subdivisions:
Local general obligation	18,668		—		1,045		46		19,667
Revenue	11,274		—		693		27		11,940
State general obligation	1,158		—		67		2		1,223
Pre-refunded	3,825		—		207		—		4,032
Total obligations of U.S. states, municipalities and political subdivisions	34,925		—		2,012		75		36,862
Debt securities issued by foreign governments	1,041		—		7		7		1,041
Mortgage-backed securities, collateralized mortgage obligations and pass-through securities	1,754		—		68		5		1,817
Corporate and all other bonds	33,457		3		1,249		175		34,528
Total	$	74,751	$	3	$	3,356	$	294	$	77,810

Cost and fair value of investments in equity securities [Table Text Block]

The cost and fair value of investments in equity securities were as follows:


							Fair
(at September 30, 2022, in millions)	Cost		Gross Gains		Gross Losses		Value
Common stock	$	704	$	55	$	43	$	716
Non-redeemable preferred stock	53		6		1		58
Total	$	757	$	61	$	44	$	774


							Fair
(at December 31, 2021, in millions)	Cost		Gross Gains		Gross Losses		Value
Common stock	$	694	$	137	$	4	$	827
Non-redeemable preferred stock	55		11		—		66
Total	$	749	$	148	$	4	$	893

Unrealized investment losses [Table Text Block]

The following tables summarize, for all fixed maturities classified as available for sale in an unrealized loss position at September 30, 2022 and December 31, 2021, the aggregate fair value and gross unrealized loss by the length of time those securities have been continuously in an unrealized loss position. The fair value amounts reported in the tables are estimates that are prepared using the process described in note 4 herein and in note 4 of the notes to the consolidated financial statements in the Company’s 2021 Annual Report. The Company also relies upon estimates of several factors in its review and evaluation of individual investments, using the process described in note 1 of the notes to the consolidated financial statements in the Company’s 2021 Annual Report to determine whether a credit loss impairment exists.


	Less than 12 months				12 months or longer				Total
(at September 30, 2022, in millions)	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
Fixed maturities
U.S. Treasury securities and obligations of U.S. government and government agencies and authorities	$	2,641	$	179	$	1,389	$	240	$	4,030	$	419
Obligations of U.S. states, municipalities and political subdivisions	25,138		3,245		2,526		798		27,664		4,043
Debt securities issued by foreign governments	614		24		305		31		919		55
Mortgage-backed securities, collateralized mortgage obligations and pass-through securities	1,532		171		168		39		1,700		210
Corporate and all other bonds	25,737		2,240		4,437		1,107		30,174		3,347
Total	$	55,662	$	5,859	$	8,825	$	2,215	$	64,487	$	8,074


	Less than 12 months				12 months or longer				Total
(at December 31, 2021, in millions)	Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
Fixed maturities
U.S. Treasury securities and obligations of U.S. government and government agencies and authorities	$	2,438	$	32	$	5	$	—	$	2,443	$	32
Obligations of U.S. states, municipalities and political subdivisions	3,873		69		153		6		4,026		75
Debt securities issued by foreign governments	452		7		7		—		459		7
Mortgage-backed securities, collateralized mortgage obligations and pass-through securities	426		5		1		—		427		5
Corporate and all other bonds	7,306		153		436		22		7,742		175
Total	$	14,495	$	266	$	602	$	28	$	15,097	$	294

Gross unrealized investment losses on securities continuously in an unrealized loss position of greater than 20% of amortized cost by length of time [Table Text Block]

The following table summarizes, for all fixed maturities reported at fair value for which fair value is less than 80% of amortized cost at September 30, 2022, the gross unrealized investment loss by length of time those securities have continuously been in an unrealized loss position of greater than 20% of amortized cost:


	Period For Which Fair Value is Less Than 80% of Amortized Cost
(at September 30, 2022, in millions)	3 months or less		Greater than 3 months, 6 months or less		Greater than 6 months, 12 months or less		Greater than 12 months		Total
Fixed maturities
U.S. Treasury securities and obligations of U.S. government and government agencies and authorities	$	—	$	—	$	—	$	—	$	—
Obligations of U.S. states, municipalities and political subdivisions	1,523		514		239		—		2,276
Debt securities issued by foreign governments	—		—		—		—		—
Mortgage-backed securities, collateralized mortgage obligations and pass-through securities	69		—		—		—		69
Corporate and all other bonds	1,273		10		—		—		1,283
Total	$	2,865	$	524	$	239	$	—	$	3,628

Changes in the allowance for expected credit losses on fixed maturities classified as available for sale [Table Text Block]

The following tables present changes in the allowance for expected credit losses on fixed maturities classified as available for sale for the category of Corporate and All Other Bonds (no other categories of fixed maturities currently have an allowance for expected credit losses):


	Fixed Maturities
	Corporate and All Other Bonds
	At and For the Three Months Ended
(in millions)	September 30, 2022		September 30, 2021

Balance, beginning of period	$	4	$	2
Additions for expected credit losses on securities where no credit losses were previously recognized	—		—
Additions (reductions) for expected credit losses on securities where credit losses were previously recognized	—		1
Reductions due to sales/defaults of credit-impaired securities	(1)		(1)
Reductions for impairments of securities which the Company intends to sell or more likely than not will be required to sell	—		—
Balance, end of period	$	3	$	2


	Fixed Maturities
	Corporate and All Other Bonds
	At and For the Nine Months Ended
(in millions)	September 30, 2022		September 30, 2021

Balance, beginning of period	$	3		$	2
Additions for expected credit losses on securities where no credit losses were previously recognized	—			1
Additions (reductions) for expected credit losses on securities where credit losses were previously recognized	1			—
Reductions due to sales/defaults of credit-impaired securities	(1)			(1)
Reductions for impairments of securities which the Company intends to sell or more likely than not will be required to sell	—			—
Balance, end of period	$	3		$	2