Derivative Financial Instruments - Carrying Amounts of Derivative Instruments (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Fair Value	$ 717	$ 546
Total liability derivatives	3,569	3,115
Derivative investments \| Call options
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Fair Value	432	244
Other long-term investments \| Embedded derivatives
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Fair Value	25	23
Prepaid expenses and other assets \| Embedded derivatives
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Fair Value	260	279
Contractholder funds \| FIA/ IUL embedded derivatives
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Total liability derivatives	$ 3,569	$ 3,115

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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-Publisher FASB
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 5: http://www.xbrl.org/2003/role/exampleRef
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant