Fair value of credit risk derivative asset after deduction of credit risk derivative liability.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Derivative Financial Instruments - CDS notional amount by credit rating and fair value of protection sold (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Derivative [Line Items]
Notional amount	$ 1,862	$ 2,075
Credit default contracts
Derivative [Line Items]
Notional amount		255
Fair value		6
Single name \| Corporate \| Credit default contracts
Derivative [Line Items]
Notional amount		5
Fair value		0
Index \| Corporate \| Credit default contracts
Derivative [Line Items]
Notional amount		250
Fair value		6
AAA \| Credit default contracts
Derivative [Line Items]
Notional amount		2
AAA \| Single name \| Corporate \| Credit default contracts
Derivative [Line Items]
Notional amount		0
AAA \| Index \| Corporate \| Credit default contracts
Derivative [Line Items]
Notional amount		2
AA \| Credit default contracts
Derivative [Line Items]
Notional amount		4
AA \| Single name \| Corporate \| Credit default contracts
Derivative [Line Items]
Notional amount		0
AA \| Index \| Corporate \| Credit default contracts
Derivative [Line Items]
Notional amount		4
A \| Credit default contracts
Derivative [Line Items]
Notional amount		46
A \| Single name \| Corporate \| Credit default contracts
Derivative [Line Items]
Notional amount		0
A \| Index \| Corporate \| Credit default contracts
Derivative [Line Items]
Notional amount		46
BBB \| Credit default contracts
Derivative [Line Items]
Notional amount		190
BBB \| Single name \| Corporate \| Credit default contracts
Derivative [Line Items]
Notional amount		0
BBB \| Index \| Corporate \| Credit default contracts
Derivative [Line Items]
Notional amount		190
BB and lower \| Credit default contracts
Derivative [Line Items]
Notional amount		13
BB and lower \| Single name \| Corporate \| Credit default contracts
Derivative [Line Items]
Notional amount		5
BB and lower \| Index \| Corporate \| Credit default contracts
Derivative [Line Items]
Notional amount		$ 8