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Schedule of Positions in Derivative Instruments (Detail) - USD ($) $ in Millions | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Derivative [Line Items] |  |  |
Derivative assets, fair value |  | $ 80 | $ 131
Derivative liabilities, fair value |  | 846 | 681
Policyholder account balances |  |  |
Derivative [Line Items] |  |  |
Derivative liabilities, fair value |  | 176 | 180
Other liabilities |  |  |
Derivative [Line Items] |  |  |
Derivative liabilities, fair value |  | 670 | 501
Other invested assets |  |  |
Derivative [Line Items] |  |  |
Derivative assets, fair value |  | 80 | 131
Interest rate swaps | Other liabilities |  |  |
Derivative [Line Items] |  |  |
Derivative liabilities, fair value |  | 636 | 490
Interest rate swaps | Other invested assets |  |  |
Derivative [Line Items] |  |  |
Derivative assets, fair value |  | 26 | 55
Foreign currency swaps | Other liabilities |  |  |
Derivative [Line Items] |  |  |
Derivative liabilities, fair value |  | 1 | 2
Foreign currency swaps | Other invested assets |  |  |
Derivative [Line Items] |  |  |
Derivative assets, fair value |  | 12 | 10
Equity index options | Other invested assets |  |  |
Derivative [Line Items] |  |  |
Derivative assets, fair value |  | 21 | 15
Forward bond purchase commitments | Other liabilities |  |  |
Derivative [Line Items] |  |  |
Derivative liabilities, fair value |  | 33 | 9
Forward bond purchase commitments | Other invested assets |  |  |
Derivative [Line Items] |  |  |
Derivative assets, fair value |  | 21 | 51
Fixed indexed annuity embedded derivatives | Policyholder account balances |  |  |
Derivative [Line Items] |  |  |
Derivative liabilities, fair value |  | 160 | 165
Indexed universal life embedded derivatives | Policyholder account balances |  |  |
Derivative [Line Items] |  |  |
Derivative liabilities, fair value |  | 16 | 15
Designated As Hedging Instrument |  |  |
Derivative [Line Items] |  |  |
Derivative assets, fair value |  | 59 | 116
Derivative liabilities, fair value |  | 650 | 492
Designated As Hedging Instrument | Cash Flow Hedges |  |  |
Derivative [Line Items] |  |  |
Derivative assets, fair value |  | 59 | 116
Derivative liabilities, fair value |  | 650 | 492
Designated As Hedging Instrument | Cash Flow Hedges | Interest rate swaps | Other liabilities |  |  |
Derivative [Line Items] |  |  |
Derivative liabilities, fair value |  | 636 | 490
Designated As Hedging Instrument | Cash Flow Hedges | Interest rate swaps | Other invested assets |  |  |
Derivative [Line Items] |  |  |
Derivative assets, fair value |  | 26 | 55
Designated As Hedging Instrument | Cash Flow Hedges | Foreign currency swaps | Other liabilities |  |  |
Derivative [Line Items] |  |  |
Derivative liabilities, fair value |  | 1 | 2
Designated As Hedging Instrument | Cash Flow Hedges | Foreign currency swaps | Other invested assets |  |  |
Derivative [Line Items] |  |  |
Derivative assets, fair value |  | 12 | 10
Designated As Hedging Instrument | Cash Flow Hedges | Forward bond purchase commitments | Other liabilities |  |  |
Derivative [Line Items] |  |  |
Derivative liabilities, fair value |  | 13 | 0
Designated As Hedging Instrument | Cash Flow Hedges | Forward bond purchase commitments | Other invested assets |  |  |
Derivative [Line Items] |  |  |
Derivative assets, fair value |  | 21 | 51
Derivatives not designated as hedges |  |  |
Derivative [Line Items] |  |  |
Derivative assets, fair value |  | 21 | 15
Derivative liabilities, fair value |  | 196 | 189
Derivatives not designated as hedges | Equity index options | Other liabilities |  |  |
Derivative [Line Items] |  |  |
Derivative liabilities, fair value |  | 0 | 0
Derivatives not designated as hedges | Equity index options | Other invested assets |  |  |
Derivative [Line Items] |  |  |
Derivative assets, fair value |  | 21 | 15
Derivatives not designated as hedges | Financial futures | Other liabilities |  |  |
Derivative [Line Items] |  |  |
Derivative liabilities, fair value | [1] | 0 | 0
Derivatives not designated as hedges | Financial futures | Other invested assets |  |  |
Derivative [Line Items] |  |  |
Derivative assets, fair value | [1] | 0 | 0
Derivatives not designated as hedges | Forward bond purchase commitments | Other liabilities |  |  |
Derivative [Line Items] |  |  |
Derivative liabilities, fair value |  | 20 | 9
Derivatives not designated as hedges | Forward bond purchase commitments | Other invested assets |  |  |
Derivative [Line Items] |  |  |
Derivative assets, fair value |  | 0 | 0
Derivatives not designated as hedges | Fixed indexed annuity embedded derivatives | Policyholder account balances |  |  |
Derivative [Line Items] |  |  |
Derivative liabilities, fair value | [2] | 160 | 165
Derivatives not designated as hedges | Fixed indexed annuity embedded derivatives | Other assets |  |  |
Derivative [Line Items] |  |  |
Derivative assets, fair value |  | 0 | 0
Derivatives not designated as hedges | Indexed universal life embedded derivatives | Policyholder account balances |  |  |
Derivative [Line Items] |  |  |
Derivative liabilities, fair value | [3] | 16 | 15
Derivatives not designated as hedges | Indexed universal life embedded derivatives | Reinsurance recoverable |  |  |
Derivative [Line Items] |  |  |
Derivative assets, fair value |  | $ 0 | $ 0
[1] | The period end valuations of financial futures were zero as a result of settling the margins on these contracts on a daily basis.
[2] | Represents the embedded derivatives associated with our fixed indexed annuity liabilities.
[3] | Represents the embedded derivatives associated with our indexed universal life liabilities.

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