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Derivative Financial Instruments - Carrying Amounts of Derivative Instruments (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Derivative [Line Items]
Total asset derivatives	$ 952	$ 546
Total liability derivatives	3,821	3,115
Derivative investments | Call options
Derivative [Line Items]
Total asset derivatives	649	244
Other long-term investments | Embedded derivatives
Derivative [Line Items]
Total asset derivatives	26	23
Prepaid expenses and other assets | Embedded derivatives
Derivative [Line Items]
Total asset derivatives	277	279
Contractholder funds | FIA/ IUL embedded derivatives, included in contractholder funds
Derivative [Line Items]
Total liability derivatives	$ 3,821	$ 3,115

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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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