Reinsurance - Reinsurance Recoverable (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Reinsurance Recoverables	$ 35,848	$ 27,455
Reinsurance Recoverables, Gross	35,885	27,462
ACL on reinsurance recoverables	37	7
Sold businesses (MassMutual and Prudential) \| Life insurance and annuities
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Reinsurance Recoverables	19,850	18,807
FIA embedded derivative \| Global Atlantic
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Reinsurance Recoverables	8,700	7,600
FIA embedded derivative \| Global Atlantic \| Life insurance and annuities
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Reinsurance Recoverables	8,718	7,579
FIA embedded derivative \| TR Re \| Life insurance and annuities
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Reinsurance Recoverables	6,130	0
Continuing Operations [Member] \| Other reinsurers
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Reinsurance Recoverables	$ 1,187	$ 1,076

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.

No definition available.

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Amount, after valuation allowance, recoverable under reinsurance contracts including premium paid under reinsurance contracts. Examples include, but are not limited to, settled and unsettled claims, incurred but not reported losses, loss adjustment expense, premium paid, policy benefits and policy reserves.

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Amount of allowance for credit loss on reinsurance recoverable.

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Amount before valuation allowance recoverable under reinsurance contracts. Examples include, but are not limited to, settled and unsettled claims, incurred but not reported losses, loss adjustment expense, premium paid, policy benefits and policy reserves.

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