Derivative Financial Instruments - Notional and Fair Values (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Derivatives, Fair Value [Line Items]
Derivatives, Asset Fair Value	$ 381	$ 156
Derivatives, Liability Fair Value	344	173
Credit contracts
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	143	110
Interest rate contracts
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	8,360	9,576
Foreign exchange contracts
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	624	601
Designated as Hedging Instrument \| Interest rate contracts \| Cash flow hedges
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	18	18
Derivatives, Asset Fair Value	0	0
Derivatives, Liability Fair Value	0	0
Designated as Hedging Instrument \| Foreign exchange contracts \| Cash flow hedges
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	579	567
Derivatives, Asset Fair Value	104	14
Derivatives, Liability Fair Value	0	15
Not Designated as Hedging Instrument \| Credit contracts
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	143	110
Derivatives, Asset Fair Value	0	0
Derivatives, Liability Fair Value	3	0
Not Designated as Hedging Instrument \| Interest rate contracts
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	12,823	10,514
Derivatives, Asset Fair Value	270	135
Derivatives, Liability Fair Value	324	129
Not Designated as Hedging Instrument \| Foreign exchange contracts
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	45	34
Derivatives, Asset Fair Value	5	0
Derivatives, Liability Fair Value	0	0
Not Designated as Hedging Instrument \| Fixed maturities
Derivatives, Fair Value [Line Items]
Derivatives, Asset Fair Value	2	7
Derivatives, Liability Fair Value	0	0
Not Designated as Hedging Instrument \| Within products
Derivatives, Fair Value [Line Items]
Derivatives, Asset Fair Value	0	0
Derivatives, Liability Fair Value	8	28
Not Designated as Hedging Instrument \| Managed Custody Guarantees
Derivatives, Fair Value [Line Items]
Derivatives, Asset Fair Value	0	0
Derivatives, Liability Fair Value	$ 9	$ 1

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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- Definition

Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

+ References

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

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-Publisher FASB
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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