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Investments (Tables)

3 Months Ended

Mar. 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 March 31, 2022 and December 31, 2021 (dollars in millions):

March 31, 2022:						Amortized						Allowance for						Unrealized						Unrealized						Estimated Fair						% of
						Cost						Credit Losses						Gains						Losses						Value						Total
Available-for-sale:
Corporate						$	36,813					$	33					$	954					$	1,354					$	36,380					62.8		%
Canadian government						3,381						—						1,038						12						4,407						7.6
RMBS						983						—						11						28						966						1.7
ABS						3,915						5						5						169						3,746						6.5
CMBS						1,829						1						6						48						1,786						3.1
U.S. government						1,587						—						7						69						1,525						2.6
State and political subdivisions						1,206						—						50						47						1,209						2.1
Other foreign government						8,135						3						110						339						7,903						13.6
Total fixed maturity securities						$	57,849					$	42					$	2,181					$	2,066					$	57,922					100.0		%

December 31, 2021:						Amortized						Allowance for						Unrealized						Unrealized						Estimated Fair						% of
						Cost						Credit Losses						Gains						Losses						Value						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 March 31, 2022 and December 31, 2021 (dollars in millions):

			March 31, 2022												December 31, 2021
			Amortized Cost						Estimated Fair Value						Amortized Cost						Estimated Fair Value
Fixed maturity securities pledged as collateral			$	181					$	173					$	100					$	103
Fixed maturity securities received as collateral			n/a						1,743						n/a						1,922
Assets in trust held to satisfy collateral requirements			29,136						29,077						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 March 31, 2022 and December 31, 2021 (dollars in millions).

			March 31, 2022												December 31, 2021
			Amortized Cost						Estimated Fair Value						Amortized Cost						Estimated Fair Value
Fixed maturity securities guaranteed or issued by:
Government of Japan			$	3,887					$	3,742					$	3,080					$	3,063
Canadian province of Quebec			1,409						2,062						1,377						2,347
Canadian province of Ontario			1,063						1,288						1,092						1,451

Investments Classified By Contractual Maturity Date

The amortized cost and estimated fair value of fixed maturity securities classified as available-for-sale as of March 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						$	1,511					$	1,517
Due after one year through five years						10,009						10,112
Due after five years through ten years						11,862						11,776
Due after ten years						27,740						28,019
Structured securities						6,727						6,498
Total						$	57,849					$	57,922

Fixed Maturity Holdings Industry Types Weighted Average Credit Ratings [Table Text Block]

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

March 31, 2022:												Estimated
						Amortized Cost						Fair Value						% of Total
Finance						$	13,839					$	13,599					37.4		%
Industrial						18,496						18,382						50.5
Utility						4,478						4,399						12.1
Total						$	36,813					$	36,380					100.0		%
December 31, 2021:												Estimated
						Amortized Cost						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		%

Financing Receivable, Allowance for Credit Loss [Table Text Block]

The following tables present the rollforward of the allowance for credit losses in fixed maturity securities by type for the three months ended March 31, 2022 and 2021 (dollars in millions):

For the three months ended March 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			6						5						—						—												11
Reductions for securities sold during the period			(1)						—						—						(1)												(2)
Additional increases or decreases for credit losses on securities that had an allowance recorded in a previous period			2						—						—						—												2
Balance, end of period			$	33					$	5					$	1					$	3											$	42

For the three months ended March 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			—						—						1						5						6
Reductions for securities sold during the period			(1)						—						(2)						—						(3)
Additional increases or decreases for credit losses on securities that had an allowance recorded in a previous period			—						—						(1)						—						(1)
Balance, end of period			$	16					$	—					$	1					$	5					$	22

Debt Securities, Available-for-sale, Unrealized Loss Position, Fair Value

						Less than 12 months												12 months or greater												Total
												Gross												Gross												Gross
March 31, 2022:						Estimated						Unrealized						Estimated						Unrealized						Estimated						Unrealized
						Fair Value						Losses						Fair Value						Losses						Fair Value						Losses
Investment grade securities:
Corporate						$	15,156					$	1,082					$	1,161					$	186					$	16,317					$	1,268
Canadian government						127						8						15						4						142						12
RMBS						400						15						137						13						537						28
ABS						2,632						139						604						18						3,236						157
CMBS						1,178						40						34						3						1,212						43
U.S. government						1,148						64						27						5						1,175						69
State and political subdivisions						460						42						30						5						490						47
Other foreign government						4,287						218						727						83						5,014						301
Total investment grade securities						25,388						1,608						2,735						317						28,123						1,925
Below investment grade securities:
Corporate						878						50						108						33						986						$	83
ABS						22						2						9						2						31						4
CMBS						28						2						9						1						37						3
Other foreign government						172						15						102						23						274						38
Total below investment grade securities						1,100						69						228						59						1,328						128
Total fixed maturity securities						$	26,488					$	1,677					$	2,963					$	376					$	29,451					$	2,053

						Less than 12 months												12 months or greater												Total
												Gross												Gross												Gross
December 31, 2021:						Estimated						Unrealized						Estimated						Unrealized						Estimated						Unrealized
						Fair Value						Losses						Fair Value						Losses						Fair Value						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
CMBS						—						—						—						—						—						—
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

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

												Three months ended March 31,
																		2022						2021
Fixed maturity securities available-for-sale																		$	533					$	495
Equity securities																		2						2
Mortgage loans on real estate																		73						66
Policy loans																		13						14
Funds withheld at interest																		51						84
Short-term investments and cash and cash equivalents																		2						1
Other invested assets – limited partnerships and real estate joint ventures																		161						161
Other invested assets – all other																		2						13
Investment income																		837						836
Investment expense																		(27)						(24)
Net investment income																		$	810					$	812

Gain Loss On Investments

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

									Three months ended March 31,
															2022						2021
Fixed maturity securities available-for-sale:
Change in allowance for credit losses and impairments															$	(12)					$	(2)
Realized gains on investment activity															11						167
Realized losses on investment activity															(36)						(13)
Net gains (losses) on equity securities															(8)						3
Other impairment losses and change in mortgage loan allowance for credit losses															(2)						18
Change in fair value of certain limited partnership investments and other, net															26						111
Net gains (losses) on derivatives															(105)						18
Total investment related gains (losses), net															$	(126)					$	302

Schedule of Repurchase Agreements [Table Text Block]

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

			March 31, 2022												December 31, 2021
			Amortized Cost						Estimated Fair Value						Amortized Cost						Estimated Fair Value
Securities borrowing agreements:
Securities borrowed (1)			n/a						$	561					n/a						$	420
Securities pledged as collateral (2)			460						437						279						290
Securities lending agreements:
Securities loaned (2)			82						84						94						102
Securities received as collateral (3)			n/a						94						n/a						102
Repurchase/reverse repurchase agreements:
Securities pledged (2)			730						715						704						736
Cash (4)			—						—						10						10
Securities received (3)			n/a						690						n/a						728
Cash received (5)			42						42						—						—

(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 and pledged to counterparties are included within fixed maturity securities.

(3)Securities received as collateral 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 March 31, 2022 and December 31, 2021 (dollars in millions):

			March 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 agreements:
Corporate			$	—					$	—					$	—					$	71					$	71
State and political subdivisions			—						—						—						3						3
Other foreign government			—						—						—						10						10
Total			—						—						—						84						84
Repurchase agreements:
Corporate			—						—						—						361						361
Other foreign government			—						106						—						248						354
Total			—						106						—						609						715
Total agreements			$	—					$	106					$	—					$	693					$	799

			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 agreements:
Corporate			$	—					$	—					$	—					$	94					$	94
State and political subdivisions			—						—						—						3						3
Other foreign government			—						—						—						5						5
Total			—						—						—						102						102
Repurchase agreements:
Corporate			—						—						—						366						366
Other foreign government			—						—						—						370						370
Total			—						—						—						736						736
Total agreements			$	—					$	—					$	—					$	838					$	838

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

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

						March 31, 2022												December 31, 2021
Property type:						Carrying Value						% of Total						Carrying Value						% of Total
Office						$	1,699					25.9		%				$	1,683					26.6		%
Retail						2,227						33.8						2,090						33.0
Industrial						1,451						22.0						1,249						19.7
Apartment						859						13.0						801						12.7
Other commercial						347						5.3						506						8.0
Recorded investment						$	6,583					100.0		%				6,329						100.0		%
Unamortized balance of loan origination fees and expenses						(11)												(11)
Allowance for credit losses						(37)												(35)
Total mortgage loans on real estate						$	6,535											$	6,283

Mortgage Loans 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 March 31, 2022 and December 31, 2021 (dollars in millions):

						March 31, 2022												December 31, 2021
						Recorded Investment						% of Total						Recorded Investment						% of Total
Due within five years						$	2,724					41.4		%				$	2,660					42.0		%
Due after five years through ten years						2,738						41.6						2,593						41.0
Due after ten years						1,121						17.0						1,076						17.0
Total						$	6,583					100.0		%				$	6,329					100.0		%

Mortgage Loan Internal Credit Risk Grade [Table Text Block]

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

			Recorded Investment
			Debt Service Ratios																		Construction loans
			>1.20x						1.00x – 1.20x						<1.00x												Total						% of Total
March 31, 2022:
Loan-to-Value Ratio
0% – 59.99%			$	3,257					$	240					$	33					$	9					$	3,539					53.8		%
60% – 69.99%			1,995						199						53						—						2,247						34.1
70% – 79.99%			482						40						53						—						575						8.7
80% or greater			99						4						119						—						222						3.4
Total			$	5,833					$	483					$	258					$	9					$	6,583					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		%

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

			Recorded Investment
			Year of Origination
			2022						2021						2020						2019						2018						Prior						Total
March 31, 2022:
Internal credit quality grade:
High investment grade			$	196					$	725					$	375					$	629					$	435					$	1,779					$	4,139
Investment grade			236						366						298						333						300						723						2,256
Average			—						6						—						27						49						66						148
Watch list			—						—						—						—						—						4						4
In or near default			—						$	—					—						—						—						36						36
Total			$	432					$	1,097					$	673					$	989					$	784					$	2,608					$	6,583

			Recorded Investment
			Year of Origination
			2021						2020						2019						2018						2017						Prior						Total
December 31, 2021:
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 [Table Text Block]

The following table presents the current and past due composition of the Company’s recorded investment in mortgage loans as of March 31, 2022 and December 31, 2021.

						March 31, 2022						December 31, 2021
Current						$	6,564					$	6,329
31 – 60 days past due						—						—
61 – 90 days past due						19						—
Total						$	6,583					$	6,329

Allowance For Mortgage Loan And Lease Losses Provision For Loss Net

The following table presents information regarding the Company’s allowance for credit losses for mortgage loans for the three months ended March 31, 2022 and 2021 (dollars in millions):

												Three months ended March 31,
																		2022						2021
Balance, beginning of period																		$	35					$	64
Change in allowance for credit losses																		2						(17)
Balance, end of period																		$	37					$	47

Schedule Of Other Invested Assets [Table Text Block]

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

						March 31, 2022						December 31, 2021
Limited partnership interests and real estate joint ventures						$	1,943					$	1,996
Lifetime mortgages						823						758
Derivatives						134						175
Other						133						141
Total other invested assets						$	3,033					$	3,070

X

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