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Fair Value of Financial Instruments - Changes to Fair Value of Financial Instruments Level 3 (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Fixed maturity securities available-for-sale: |  |
Assets, Total Gains (Losses) Included in Earnings | $ (8) | $ (4)
Assets, Total Gains (Losses) Included in AOCI | 9 | (218)
Assets, Purchases | 677 | 501
Assets, Sales | (83) | 0
Assets, Settlements | (250) | (179)
Assets, Net transfer In (Out) of Level 3 | (391) | (204)
Change in Unrealized Gains (Losses) Incl in OCI | 9 | (221)
Liabilities |  |
Liabilities, Total Gains (Losses) Included in Earnings | 385 | (584)
Liabilities, Total Gains (Losses) Included in AOCI | 0 | 0
Liabilities, Purchases | 96 | 126
Liabilities, Sales | 0 | 0
Liabilities, Settlements | (27) | (30)
Liabilities, Net transfer In (Out) of Level 3 | $ 0 | 0
Change in Unrealized Gains (Losses) Included in OCI |  | $ 0
Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Recognized gains and losses, net | Recognized gains and losses, net
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Asset, Gain (Loss), Statement of Other Comprehensive Income or Comprehensive Income [Extensible Enumeration] | Unrealized (loss) gain on investments and other financial instruments, net of adjustments to intangible assets and unearned revenue (excluding investments in unconsolidated affiliates) | Unrealized (loss) gain on investments and other financial instruments, net of adjustments to intangible assets and unearned revenue (excluding investments in unconsolidated affiliates)
Level 3 |  |
Fixed maturity securities available-for-sale: |  |
Balance at Beginning of Period | $ 8,286 | $ 5,641
Balance at End of Period | 8,229 | 5,525
Liabilities |  |
Balance at Beginning of Period | 3,397 | 4,352
Balance at End of Period | 3,893 | 3,881
FIA/ IUL embedded derivatives, included in contractholder funds |  |
Liabilities |  |
Balance at Beginning of Period | 3,115 | 3,883
Liabilities, Total Gains (Losses) Included in Earnings | 385 | (584)
Liabilities, Total Gains (Losses) Included in AOCI | 0 | 0
Liabilities, Purchases | 96 | 126
Liabilities, Sales | 0 | 0
Liabilities, Settlements | (27) | (30)
Liabilities, Net transfer In (Out) of Level 3 | 0 | 0
Balance at End of Period | 3,569 | 3,395
Change in Unrealized Gains (Losses) Included in OCI | 0 | 0
Asset-backed securities |  |
Fixed maturity securities available-for-sale: |  |
Balance at Beginning of Period | 6,263 | 3,959
Assets, Total Gains (Losses) Included in Earnings | (8) | 0
Assets, Total Gains (Losses) Included in AOCI | 18 | (130)
Assets, Purchases | 416 | 400
Assets, Sales | (83) | 0
Assets, Settlements | (235) | (152)
Assets, Net transfer In (Out) of Level 3 | (71) | 84
Balance at End of Period | 6,300 | 4,161
Change in Unrealized Gains (Losses) Incl in OCI | 18 | (138)
Commercial mortgage-backed securities |  |
Fixed maturity securities available-for-sale: |  |
Balance at Beginning of Period | 37 | 35
Assets, Total Gains (Losses) Included in Earnings | 0 | 0
Assets, Total Gains (Losses) Included in AOCI | 1 | (2)
Assets, Purchases | 12 | 0
Assets, Sales | 0 | 0
Assets, Settlements | 0 | 0
Assets, Net transfer In (Out) of Level 3 | (21) | 7
Balance at End of Period | 29 | 40
Change in Unrealized Gains (Losses) Incl in OCI | 1 | (2)
Corporates |  |
Fixed maturity securities available-for-sale: |  |
Balance at Beginning of Period | 1,440 | 1,135
Assets, Total Gains (Losses) Included in Earnings | (1) | 0
Assets, Total Gains (Losses) Included in AOCI | (23) | (74)
Assets, Purchases | 133 | 80
Assets, Sales | 0 | 0
Assets, Settlements | (5) | (26)
Assets, Net transfer In (Out) of Level 3 | 0 | 26
Balance at End of Period | 1,544 | 1,141
Change in Unrealized Gains (Losses) Incl in OCI | (23) | (73)
Municipals |  |
Fixed maturity securities available-for-sale: |  |
Balance at Beginning of Period | 29 | 43
Assets, Total Gains (Losses) Included in Earnings | 0 | 0
Assets, Total Gains (Losses) Included in AOCI | 3 | (6)
Assets, Purchases | 0 | 0
Assets, Sales | 0 | 0
Assets, Settlements | 0 | 0
Assets, Net transfer In (Out) of Level 3 | 0 | 0
Balance at End of Period | 32 | 37
Change in Unrealized Gains (Losses) Incl in OCI | 3 | (5)
Residential mortgage-backed securities |  |
Fixed maturity securities available-for-sale: |  |
Balance at Beginning of Period | 302 |
Assets, Total Gains (Losses) Included in Earnings | 1 |
Assets, Total Gains (Losses) Included in AOCI | 8 |
Assets, Purchases | 8 |
Assets, Sales | 0 |
Assets, Settlements | (8) |
Assets, Net transfer In (Out) of Level 3 | (299) |
Balance at End of Period | 12 |
Change in Unrealized Gains (Losses) Incl in OCI | 8 |
Foreign Governments |  |
Fixed maturity securities available-for-sale: |  |
Balance at Beginning of Period | 16 | 18
Assets, Total Gains (Losses) Included in Earnings | 0 | 0
Assets, Total Gains (Losses) Included in AOCI | 0 | (1)
Assets, Purchases | 0 | 0
Assets, Sales | 0 | 0
Assets, Settlements | 0 | 0
Assets, Net transfer In (Out) of Level 3 | 0 | 0
Balance at End of Period | 16 | 17
Change in Unrealized Gains (Losses) Incl in OCI | 0 | (1)
Investment in unconsolidated affiliates |  |
Fixed maturity securities available-for-sale: |  |
Balance at Beginning of Period | 23 | 21
Assets, Total Gains (Losses) Included in Earnings | 0 | 0
Assets, Total Gains (Losses) Included in AOCI | 0 | 0
Assets, Purchases | 84 | 0
Assets, Sales | 0 | 0
Assets, Settlements | 0 | 0
Assets, Net transfer In (Out) of Level 3 | 0 | 0
Balance at End of Period | 107 | 21
Change in Unrealized Gains (Losses) Incl in OCI | 0 | 0
Short term investments |  |
Fixed maturity securities available-for-sale: |  |
Balance at Beginning of Period | 0 | 321
Assets, Total Gains (Losses) Included in Earnings | 0 | 0
Assets, Total Gains (Losses) Included in AOCI | 0 | (1)
Assets, Purchases | 23 | 20
Assets, Sales | 0 | 0
Assets, Settlements | 0 | 0
Assets, Net transfer In (Out) of Level 3 | 0 | (321)
Balance at End of Period | 23 | 19
Change in Unrealized Gains (Losses) Incl in OCI | 0 | (1)
Preferred securities |  |
Fixed maturity securities available-for-sale: |  |
Balance at Beginning of Period | 1 | 2
Assets, Total Gains (Losses) Included in Earnings | 0 | 0
Assets, Total Gains (Losses) Included in AOCI | 0 | (1)
Assets, Purchases | 0 | 0
Assets, Sales | 0 | 0
Assets, Settlements | 0 | 0
Assets, Net transfer In (Out) of Level 3 | 0 | 0
Balance at End of Period | 1 | 1
Change in Unrealized Gains (Losses) Incl in OCI | 0 | (1)
Equity securities |  |
Fixed maturity securities available-for-sale: |  |
Balance at Beginning of Period | 10 | 9
Assets, Total Gains (Losses) Included in Earnings | 0 | 0
Assets, Total Gains (Losses) Included in AOCI | 0 | 0
Assets, Purchases | 1 | 1
Assets, Sales | 0 | 0
Assets, Settlements | 0 | 0
Assets, Net transfer In (Out) of Level 3 | 0 | 0
Balance at End of Period | 11 | 10
Change in Unrealized Gains (Losses) Incl in OCI | 0 | 0
Available-for-sale embedded derivative |  |
Fixed maturity securities available-for-sale: |  |
Balance at Beginning of Period | 23 | 34
Assets, Total Gains (Losses) Included in Earnings | 0 | (4)
Assets, Total Gains (Losses) Included in AOCI | 2 | 0
Assets, Purchases | 0 | 0
Assets, Sales | 0 | 0
Assets, Settlements | 0 | 0
Assets, Net transfer In (Out) of Level 3 | 0 | 0
Balance at End of Period | 25 | 30
Change in Unrealized Gains (Losses) Incl in OCI | 2 | 0
Credit linked note |  |
Fixed maturity securities available-for-sale: |  |
Balance at Beginning of Period | 15 | 23
Assets, Total Gains (Losses) Included in Earnings | 0 | 0
Assets, Total Gains (Losses) Included in AOCI | 0 | (3)
Assets, Purchases | 0 | 0
Assets, Sales | 0 | 0
Assets, Settlements | (2) | (1)
Assets, Net transfer In (Out) of Level 3 | 0 | 0
Balance at End of Period | 13 | 19
Change in Unrealized Gains (Losses) Incl in OCI | 0 | 0
Secured borrowing receivable |  |
Fixed maturity securities available-for-sale: |  |
Balance at Beginning of Period | 10 |
Assets, Total Gains (Losses) Included in Earnings | 0 |
Assets, Total Gains (Losses) Included in AOCI | 0 |
Assets, Purchases | 0 |
Assets, Sales | 0 |
Assets, Settlements | 0 |
Assets, Net transfer In (Out) of Level 3 | 0 |
Balance at End of Period | 10 |
Change in Unrealized Gains (Losses) Incl in OCI | 0 |
Subtotal Level 3 assets at fair value | Level 3 |  |
Fixed maturity securities available-for-sale: |  |
Balance at Beginning of Period | 8,169 | 5,600
Balance at End of Period | 8,123 | 5,496
Market risk benefits asset |  |
Fixed maturity securities available-for-sale: |  |
Balance at End of Period | 106 |
Market risk benefits asset | Level 3 |  |
Fixed maturity securities available-for-sale: |  |
Balance at Beginning of Period | 117 | 41
Balance at End of Period |  | 29
Subtotal Level 3 liabilities at fair value |  |
Liabilities |  |
Change in Unrealized Gains (Losses) Included in OCI | 0 |
Subtotal Level 3 liabilities at fair value | Level 3 |  |
Liabilities |  |
Balance at Beginning of Period | 3,115 | 3,883
Balance at End of Period | 3,569 | 3,395
Market risk benefits liability | Level 3 |  |
Liabilities |  |
Balance at Beginning of Period | 282 | 469
Balance at End of Period | $ 324 | $ 486

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