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Investments (Tables)

12 Months Ended

Dec. 31, 2022

Investments [Abstract]

Debt Securities, Available-for-sale

The following tables provide information relating to investments in fixed maturity securities by type as of December 31, 2022 and 2021 (dollars in millions):

December 31, 2022:						Amortized Cost						Allowance for Credit Losses						Unrealized Gains						Unrealized Losses						Estimated Fair Value						% of Total
Available-for-sale:
Corporate						$	38,963					$	27					$	168					$	5,135					$	33,969					64.2		%
Canadian government						3,311						—						381						66						3,626						6.9
RMBS						1,054						—						1						114						941						1.8
ABS						4,324						10						4						440						3,878						7.3
CMBS						1,835						—						—						212						1,623						3.1
U.S. government						1,690						—						4						212						1,482						2.8
State and political subdivisions						1,282						—						10						173						1,119						2.1
Other foreign government						7,204						—						26						967						6,263						11.8
Total fixed maturity securities						$	59,663					$	37					$	594					$	7,319					$	52,901					100.0		%

December 31, 2021:						Amortized Cost						Allowance for Credit Losses						Unrealized Gains						Unrealized Losses						Estimated Fair Value						% of Total
Available-for-sale:
Corporate						$	35,239					$	26					$	3,084					$	194					$	38,103					62.8		%
Canadian government						3,339						—						1,606						1						4,944						8.1
RMBS						1,020						—						37						7						1,050						1.7
ABS						4,024						—						22						41						4,005						6.6
CMBS						1,790						1						66						6						1,849						3.0
U.S. government						2,082						—						31						8						2,105						3.5
State and political subdivisions						1,191						—						137						5						1,323						2.2
Other foreign government						7,188						4						273						87						7,370						12.1
Total fixed maturity securities						$	55,873					$	31					$	5,256					$	349					$	60,749					100.0		%

Schedule of Financial Instruments Owned and Pledged as Collateral [Table Text Block]

The following table includes fixed maturity securities pledged and received as collateral and assets in trust held to satisfy collateral requirements under derivative transactions and certain third-party reinsurance treaties as of December 31, 2022 and 2021 (dollars in millions):

			2022												2021
			Amortized Cost						Estimated Fair Value						Amortized Cost						Estimated Fair Value
Fixed maturity securities pledged as collateral			$	355					$	292					$	100					$	103
Fixed maturity securities received as collateral			n/a						1,428						n/a						1,922
Assets in trust held to satisfy collateral requirements			31,510						27,817						28,671						31,173

Concentration Risk Disclosure [Text Block]

The Company’s exposure to concentrations of credit risk from single issuers greater than 10% of the Company’s equity included securities of the U.S. government and its agencies, as well as the securities disclosed below, as of December 31, 2022 and 2021 (dollars in millions):

			2022												2021
			Amortized Cost						Estimated Fair Value						Amortized Cost						Estimated Fair Value
Fixed maturity securities guaranteed or issued by:
Government of Japan			$	2,988					$	2,516					$	3,080					$	3,063
Canadian province of Quebec			1,436						1,649						1,377						2,347
Canadian province of Ontario			982						1,068						1,092						1,451

Investments Classified By Contractual Maturity Date [Table Text Block]

The amortized cost and estimated fair value of fixed maturity securities classified as available-for-sale as of December 31, 2022, are shown by contractual maturity in the table below (dollars in millions). Actual maturities can differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. Structured securities are shown separately in the table below as they are not due at a single maturity date.

						Amortized Cost						Estimated Fair Value
Available-for-sale:
Due in one year or less						$	1,231					$	1,223
Due after one year through five years						10,397						10,076
Due after five years through ten years						11,293						10,231
Due after ten years						29,529						24,929
Structured securities						7,213						6,442
Total						$	59,663					$	52,901

Fixed Maturity Holdings Industry Types [Table Text Block]

The tables below show the major sectors of the Company’s corporate fixed maturity holdings as of December 31, 2022 and 2021 (dollars in millions):

December 31, 2022:						Amortized Cost						Estimated Fair Value						% of Total
Finance						$	14,551					$	12,680					37.3		%
Industrial						19,624						17,257						50.8
Utility						4,788						4,032						11.9
Total						$	38,963					$	33,969					100.0		%
December 31, 2021:						Amortized Cost						Estimated Fair Value						% of Total
Finance						$	13,101					$	14,045					36.9		%
Industrial						17,857						19,375						50.8
Utility						4,281						4,683						12.3
Total						$	35,239					$	38,103					100.0		%

Roll Forward Of Cumulative Credit Loss Component Of Otti Income Loss [Table Text Block]

For the year ended December 31, 2022:						Corporate						ABS						CMBS						Other Foreign Government						Total
Balance, beginning of period						$	26					$	—					$	1					$	4					$	31
Credit losses recognized on securities for which credit losses were not previously recorded						31						10						—						1						42
Reductions for securities sold during the period						(32)						—						—						(7)						(39)
Reductions for securities the Company intends to sell or more likely than not will be required to sell before recovery of its amortized cost						(4)						—						—						—						(4)
Additional increases or decreases for credit losses on securities that had an allowance recorded in a previous period						6						—						(1)						2						7
Balance, end of period						$	27					$	10					$	—					$	—					$	37

For the year ended December 31, 2021:						Corporate						ABS						CMBS						Other Foreign Government						Total
Balance, beginning of period						$	17					$	—					$	3					$	—					$	20
Credit losses recognized on securities for which credit losses were not previously recorded						21						—						1						5						27
Reductions for securities sold during the period						(10)						—						(2)						(1)						(13)
Reductions for securities the Company intends to sell or more likely than not will be required to sell before recovery of its amortized cost						—						—						—						—						—
Additional increases or decreases for credit losses on securities that had an allowance recorded in a previous period						(2)						—						(1)						—						(3)
Balance, end of period						$	26					$	—					$	1					$	4					$	31

Fair Value And Investments In Debt And Equity Securities Disclosures [Table Text Block]

The following table presents the estimated fair values and gross unrealized losses for the 6,441 and 1,862 fixed maturity securities for which an allowance for credit loss has not been recorded as of December 31, 2022 and December 31, 2021, and the estimated fair value had declined and remained below amortized cost (dollars in millions). These investments are presented by class and grade of security, as well as the length of time the related fair value has continuously remained below amortized cost.

						Less than 12 months												12 months or greater												Total
December 31, 2022:						Estimated Fair Value						Gross Unrealized Losses						Estimated Fair Value						Gross Unrealized Losses						Estimated Fair Value						Gross Unrealized Losses
Investment grade securities:
Corporate						$	21,867					$	2,756					$	6,840					$	2,225					$	28,707					$	4,981
Canadian government						554						42						71						23						625						65
RMBS						664						62						181						53						845						115
ABS						1,596						153						1,931						269						3,527						422
CMBS						1,314						144						281						65						1,595						209
U.S. government						1,202						64						253						148						1,455						212
State and political subdivisions						819						124						131						50						950						174
Other foreign government						2,757						253						2,720						652						5,477						905
Total investment grade securities						30,773						3,598						12,408						3,485						43,181						7,083
Below investment grade securities:
Corporate						767						87						305						61						1,072						148
ABS						52						6						38						9						90						15
Other foreign government						39						2						164						60						203						62
Total below investment grade securities						858						95						507						130						1,365						225
Total fixed maturity securities						$	31,631					$	3,693					$	12,915					$	3,615					$	44,546					$	7,308

						Less than 12 months												12 months or greater												Total
December 31, 2021:						Estimated Fair Value						Gross Unrealized Losses						Estimated Fair Value						Gross Unrealized Losses						Estimated Fair Value						Gross Unrealized Losses
Investment grade securities:
Corporate						$	4,135					$	86					$	946					$	51					$	5,081					$	137
Canadian government						20						1						—						—						20						1
RMBS						132						3						102						4						234						7
ABS						1,747						22						589						6						2,336						28
CMBS						152						2						35						2						187						4
U.S. government						1,513						6						31						2						1,544						8
State and political subdivisions						109						3						28						2						137						5
Other foreign government						2,237						33						724						37						2,961						70
Total investment grade securities						10,045						156						2,455						104						12,500						260
Below investment grade securities:
Corporate						463						13						97						44						560						57
ABS						—						—						13						13						13						13
Other foreign government						136						7						75						10						211						17
Total below investment grade securities						599						20						185						67						784						87
Total fixed maturity securities						$	10,644					$	176					$	2,640					$	171					$	13,284					$	347

Investment Income [Table Text Block]

Major categories of net investment income consist of the following (dollars in millions):

						For the years ended December 31,
						2022						2021						2020
Fixed maturity securities available-for-sale						$	2,305					$	2,059					$	1,928
Equity securities						6						5						6
Mortgage loans						298						293						282
Policy loans						54						55						56
Funds withheld at interest						253						351						279
Limited partnerships and real estate joint ventures						331						419						50
Short-term investments and cash and cash equivalents						29						3						7
Other invested assets						12						61						59
Investment income						3,288						3,246						2,667
Investment expense						(127)						(108)						(92)
Net investment income						$	3,161					$	3,138					$	2,575

Gain (Loss) on Securities [Table Text Block]

Investment related gains (losses), net, consist of the following (dollars in millions):

						For the years ended December 31,
						2022						2021						2020
Fixed maturity securities available-for-sale:
Change in allowance for credit losses						$	(6)					$	(11)					$	(20)
Impairments on fixed maturity securities						(17)						(1)						(1)
Realized gains on investment activity						192						299						114
Realized losses on investment activity						(396)						(65)						(82)
Net gains (losses) on equity securities						(21)						25						(15)
Change in mortgage loan allowance for credit losses						(16)						29						(38)
Change in fair value of certain limited partnership investments						38						169						—
Limited partnerships and real estate joint ventures impairment losses						—						—						(18)
Other, net						21						25						24
Net gains (losses) on derivatives						(301)						90						3
Total investment related gains (losses), net						$	(506)					$	560					$	(33)

Schedule of Repurchase Agreements [Table Text Block]

The following table provides information relating to securities borrowing, lending, and repurchase/reverse repurchase agreements as of December 31, 2022 and 2021 (dollars in millions):

			2022												2021
			Amortized Cost						Estimated Fair Value						Amortized Cost						Estimated Fair Value
Securities borrowing agreements:
Securities borrowed (1)			n/a						$	852					n/a						$	420
Securities pledged as collateral (2)			859						693						279						290
Securities lending agreements:
Securities loaned (2)			59						55						94						102
Securities received as collateral (3)			n/a						66						n/a						102
Repurchase/reverse repurchase agreements:
Securities sold (2)			898						779						704						736
Cash (4)			—						—						10						10
Securities purchased (3)			n/a						619						n/a						728
Cash received (5)			149						149						—						—

(1)Securities borrowed are not reflected on the condensed consolidated balance sheets. Collateral associated with certain borrowed securities is not included within this table as the collateral pledged to the counterparty is the right to reinsurance treaty cash flows.

(2)Securities loaned, pledged or sold to counterparties are included within fixed maturity securities.

(3)Securities received as collateral or purchased from counterparties are not reflected on the condensed consolidated financial statements.

(4)A receivable for the cash held by counterparties is included within other assets.

(5)A payable for the cash received by the Company is included within other liabilities.

Schedule of Underlying Assets of Repurchase Agreements when Amount of Repurchase Agreements Exceeds 10 Percent of Assets [Table Text Block]

The following tables present information on the remaining contractual maturity of the Company’s securities lending and repurchase agreements as of December 31, 2022 and 2021, respectively (dollars in millions).

			December 31, 2022
			Remaining Contractual Maturity of the Agreements
			Overnight and Continuous						Up to 30 Days						30 – 90 Days						Greater than 90 Days						Total
Securities lending transactions:
Corporate			$	—					$	—					$	—					$	42					$	42
State and political subdivisions			—						—						—						3						3
Other foreign government			—						—						—						10						10
Total			—						—						—						55						55
Repurchase/reverse repurchase transactions:
Corporate			—						—						—						279						279
RMBS			—						—						—						10						10
ABS			—						—						—						54						54
CMBS			—						—						—						63						63
Other foreign government			—						—						—						373						373
Total			—						—						—						779						779
Total transactions			$	—					$	—					$	—					$	834					$	834

			December 31, 2021
			Remaining Contractual Maturity of the Agreements
			Overnight and Continuous						Up to 30 Days						30 – 90 Days						Greater than 90 Days						Total
Securities lending transactions:
Corporate			$	—					$	—					$	—					$	94					$	94
State and political subdivisions			—						—						—						3						3
Other foreign government			—						—						—						5						5
Total			—						—						—						102						102
Repurchase/reverse repurchase transactions:
Corporate			—						—						—						366						366
RMBS			—						—						—						—						—
ABS			—						—						—						—						—
CMBS			—						—						—						—						—
Other foreign government			—						—						—						370						370
Total			—						—						—						736						736
Total transactions			$	—					$	—					$	—					$	838					$	838

Disclosure Of Real Estate Holdings By Property Type [Table Text Block]

The recorded investment in mortgage loans presented below is gross of unamortized deferred loan origination fees and expenses, and allowance for credit losses.

The following table presents the distribution of the Company’s recorded investment in mortgage loans by property type as of December 31, 2022 and 2021 (dollars in millions):

						2022												2021
						Carrying Value						Percentage of Total						Carrying Value						Percentage of Total
Property type:
Office						$	1,706					25.6		%				$	1,683					26.6		%
Retail						2,290						34.4						2,090						33.0
Industrial						1,518						22.8						1,249						19.7
Apartment						763						11.5						801						12.7
Other commercial						376						5.7						506						8.0
Recorded investment						6,653						100.0		%				6,329						100.0		%
Unamortized balance of loan origination fees and expenses						(12)												(11)
Allowance for credit losses						(51)												(35)
Total mortgage loans						$	6,590											$	6,283

Disclosure of Real Estate Holdings Classified By Contractual Maturity Date [Table Text Block]

The following table presents the maturities of the Company’s recorded investment in mortgage loans as of December 31, 2022 and 2021 (dollars in millions):

						2022												2021
						Recorded Investment						% of Total						Recorded Investment						% of Total
Due within five years						$	2,652					39.9		%				$	2,660					42.0		%
Due after five years through ten years						2,930						44.0						2,593						41.0
Due after ten years						1,071						16.1						1,076						17.0
Total						$	6,653					100.0		%				$	6,329					100.0		%

Accounts Receivable, Noncurrent, Credit Quality Indicator

The following tables set forth certain key credit quality indicators of the Company’s recorded investment in mortgage loans as of December 31, 2022 and 2021 (dollars in millions):

			Recorded Investment
			Debt Service Ratios																		Construction loans
			>1.20x						1.00x – 1.20x						<1.00x												Total						% of Total
December 31, 2022:
Loan-to-Value Ratio
0% – 59.99%			$	3,466					$	215					$	56					$	18					$	3,755					56.4		%
60% – 69.99%			1,894						119						71						—						2,084						31.3
70% – 79.99%			475						49						91						—						615						9.3
80% or greater			81						—						118						—						199						3.0
Total			$	5,916					$	383					$	336					$	18					$	6,653					100.0		%

			Recorded Investment
			Debt Service Ratios																		Construction loans
			>1.20x						1.00x – 1.20x						<1.00x												Total						% of Total
December 31, 2021:
Loan-to-Value Ratio
0% – 59.99%			$	3,111					$	238					$	51					$	6					$	3,406					53.8		%
60% – 69.99%			1,906						190						46						—						2,142						33.8
70% – 79.99%			520						41						12						—						573						9.1
80% or greater			148						—						60						—						208						3.3
Total			$	5,685					$	469					$	169					$	6					$	6,329					100.0		%

Financing Receivable Credit Quality Indicators [Table Text Block]

The following table sets forth credit quality grades by year of origination of the Company’s recorded investment in mortgage loans as of December 31, 2022 and 2021 (dollars in millions):

			Recorded Investment
			Year of Origination
December 31, 2022:			2022						2021						2020						2019						2018						Prior						Total
Internal credit quality grade:
High investment grade			$	698					$	684					$	327					$	561					$	422					$	1,565					$	4,257
Investment grade			586						284						248						279						252						531						2,180
Average			—						6						—						39						52						83						180
Watch list			—						—						—						—						—						—						—
In or near default			—						—						—						—						—						36						36
Total			$	1,284					$	974					$	575					$	879					$	726					$	2,215					$	6,653

			Recorded Investment
			Year of Origination
December 31, 2021:			2021						2020						2019						2018						2017						Prior						Total
Internal credit quality grade:
High investment grade			$	725					$	402					$	645					$	461					$	344					$	1,534					$	4,111
Investment grade			367						272						331						301						296						502						2,069
Average			6						—						27						39						5						32						109
Watch list			—						—						—						—						—						4						4
In or near default			—						—						—						—						—						36						36
Total			$	1,098					$	674					$	1,003					$	801					$	645					$	2,108					$	6,329

Financing Receivable, Past Due

The following table presents the current and past due composition of the Company’s recorded investment in mortgage loans as of December 31, 2022 and 2021 (dollars in millions):

						2022						2021
Current						$	6,617					$	6,329
Greater than 90 days						36						—
Total						$	6,653					$	6,329

Allowance For Loan And Lease Losses Provision For Loss Net [Table Text Block]

The following table presents information regarding the Company’s allowance for credit losses for mortgage loans as of December 31, 2022, 2021 and 2020 (dollars in millions):

						2022						2021						2020
Balance, beginning of period						$	35					$	64					$	12
Adoption of new accounting standard						—						—						14
Change in allowance for credit losses						16						(29)						38
Balance, end of period						$	51					$	35					$	64

Real Estate Investment Financial Statements, Disclosure

Limited Partnerships and Real Estate Joint Ventures

The carrying values of limited partnerships and real estate joint ventures as of December 31, 2022 and 2021 are as follows (dollars in millions):

						2022						2021
Limited partnerships - equity method						$	934					$	780
Limited partnerships - fair value						683						581
Limited partnerships - cost method						49						63
Real estate joint ventures						661						572
Total limited partnerships and real estate joint ventures						$	2,327					$	1,996

Schedule of Other Assets [Table Text Block]

The carrying values of other invested assets as of December 31, 2022 and 2021 are as follows (dollars in millions):

						2022						2021
Lifetime mortgages						868						758
Derivatives						170						175
Other						102						141
Total other invested assets						$	1,140					$	1,074

X

- Definition

The table presents the rollforward of valuation allowance for mortgage loans held-for-investment, by portfolio segment.

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Investments classified by contractual maturity date.

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Tabular disclosure of credit quality indicator for accounts receivable, classified as noncurrent.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 5
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919230-210447

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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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