Derivative Financial Instruments - Notional and Fair Values (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Derivatives, Fair Value [Line Items]
Asset Fair Value	$ 156	$ 156
Liability Fair Value	173	279
Interest rate contracts
Derivatives, Fair Value [Line Items]
Notional Amount	9,576	12,567
Foreign exchange contracts
Derivatives, Fair Value [Line Items]
Notional Amount	601	711
Equity contracts
Derivatives, Fair Value [Line Items]
Notional Amount	0	55
Credit contracts
Derivatives, Fair Value [Line Items]
Notional Amount	110	188
Designated as Hedging Instrument \| Cash flow hedges \| Interest rate contracts
Derivatives, Fair Value [Line Items]
Notional Amount	18	18
Designated as Hedging Instrument \| Cash flow hedges \| Foreign exchange contracts
Derivatives, Fair Value [Line Items]
Notional Amount	567	628
Designated as Hedging Instrument \| Derivatives \| Cash flow hedges \| Interest rate contracts
Derivatives, Fair Value [Line Items]
Asset Fair Value	0	0
Liability Fair Value	0	0
Designated as Hedging Instrument \| Derivatives \| Cash flow hedges \| Foreign exchange contracts
Derivatives, Fair Value [Line Items]
Asset Fair Value	14	3
Liability Fair Value	15	36
Not Designated as Hedging Instrument \| Interest rate contracts
Derivatives, Fair Value [Line Items]
Notional Amount	10,514	14,155
Not Designated as Hedging Instrument \| Foreign exchange contracts
Derivatives, Fair Value [Line Items]
Notional Amount	34	83
Not Designated as Hedging Instrument \| Equity contracts
Derivatives, Fair Value [Line Items]
Notional Amount	0	55
Not Designated as Hedging Instrument \| Fixed maturities
Derivatives, Fair Value [Line Items]
Asset Fair Value	7	11
Liability Fair Value	0	0
Not Designated as Hedging Instrument \| Within products
Derivatives, Fair Value [Line Items]
Asset Fair Value	0	0
Liability Fair Value	28	59
Not Designated as Hedging Instrument \| Managed custody guarantees
Derivatives, Fair Value [Line Items]
Asset Fair Value	0	0
Liability Fair Value	1	4
Not Designated as Hedging Instrument \| Credit contracts
Derivatives, Fair Value [Line Items]
Notional Amount	110	188
Not Designated as Hedging Instrument \| Derivatives \| Interest rate contracts
Derivatives, Fair Value [Line Items]
Asset Fair Value	135	137
Liability Fair Value	129	171
Not Designated as Hedging Instrument \| Derivatives \| Foreign exchange contracts
Derivatives, Fair Value [Line Items]
Asset Fair Value	0	0
Liability Fair Value	0	3
Not Designated as Hedging Instrument \| Derivatives \| Equity contracts
Derivatives, Fair Value [Line Items]
Asset Fair Value	0	5
Liability Fair Value	0	5
Not Designated as Hedging Instrument \| Derivatives \| Credit contracts
Derivatives, Fair Value [Line Items]
Asset Fair Value	0	0
Liability Fair Value	$ 0	$ 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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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.

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

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No definition available.

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