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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 | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Fixed maturity securities available-for-sale: |  |  |  |
Assets, Total Gains (Losses) Included in Earnings | $ (4) | $ (5) |  |
Assets, Total Gains (Losses) Included in AOCI | 0 | (214) |  |
Assets, Purchases | 723 | 1,144 |  |
Assets, Sales | (15) | (40) |  |
Assets, Settlements | (165) | (134) |  |
Assets, Net transfer In (Out) of Level 3 | (21) | (18) |  |
Change in Unrealized Included in OCI | (1) | (221) |  |
Liabilities |  |  |  |
Liabilities, Total Gains (Losses) Included in Earnings | 197 | (575) |  |
Liabilities, Total Gains (Losses) Included in AOCI | 0 | 0 |  |
Liabilities, Purchases | 93 | 146 |  |
Liabilities, Sales | 0 | 0 |  |
Liabilities, Settlements | (38) | (25) |  |
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 | 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) | 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 | $ 8,229 | $ 5,525 | $ 8,286 | $ 5,641
Balance at End of Period | 8,759 | 6,315 | 8,759 | 6,315
Liabilities |  |  |  |
Balance at Beginning of Period | 3,893 | 3,881 | 3,397 | 4,352
Balance at End of Period | 4,134 | 3,233 | 4,134 | 3,233
FIA/ IUL embedded derivatives, included in contractholder funds |  |  |  |
Liabilities |  |  |  |
Balance at Beginning of Period | 3,569 | 3,395 | 3,115 | 3,883
Liabilities, Total Gains (Losses) Included in Earnings | 197 | (575) | 582 | (1,159)
Liabilities, Total Gains (Losses) Included in AOCI | 0 | 0 | 0 | 0
Liabilities, Purchases | 93 | 146 | 189 | 272
Liabilities, Sales | 0 | 0 | 0 | 0
Liabilities, Settlements | (38) | (25) | (65) | (55)
Liabilities, Net transfer In (Out) of Level 3 | 0 | 0 | 0 | 0
Balance at End of Period | 3,821 | 2,941 | 3,821 | 2,941
Change in Unrealized Gains (Losses) Included in OCI | 0 | 0 | 0 | 0
Asset-backed securities |  |  |  |
Fixed maturity securities available-for-sale: |  |  |  |
Balance at Beginning of Period | 6,300 | 4,161 | 6,263 | 3,959
Assets, Total Gains (Losses) Included in Earnings | (3) | 1 | (11) | 1
Assets, Total Gains (Losses) Included in AOCI | 15 | (142) | 33 | (272)
Assets, Purchases | 379 | 827 | 795 | 1,227
Assets, Sales | (15) | (39) | (98) | (39)
Assets, Settlements | (151) | (126) | (386) | (278)
Assets, Net transfer In (Out) of Level 3 | (15) | (5) | (86) | 79
Balance at End of Period | 6,510 | 4,677 | 6,510 | 4,677
Change in Unrealized Included in OCI | 14 | (153) | 32 | (291)
Commercial mortgage-backed securities |  |  |  |
Fixed maturity securities available-for-sale: |  |  |  |
Balance at Beginning of Period | 29 | 40 | 37 | 35
Assets, Total Gains (Losses) Included in Earnings | 0 | 0 | 0 | 0
Assets, Total Gains (Losses) Included in AOCI | 0 | (3) | 1 | (5)
Assets, Purchases | 0 | 0 | 12 | 0
Assets, Sales | 0 | 0 | 0 | 0
Assets, Settlements | 0 | 0 | 0 | 0
Assets, Net transfer In (Out) of Level 3 | (12) | 0 | (33) | 7
Balance at End of Period | 17 | 37 | 17 | 37
Change in Unrealized Included in OCI | 0 | (2) | 1 | (4)
Corporates |  |  |  |
Fixed maturity securities available-for-sale: |  |  |  |
Balance at Beginning of Period | 1,544 | 1,141 | 1,440 | 1,135
Assets, Total Gains (Losses) Included in Earnings | 0 | 0 | (1) | 0
Assets, Total Gains (Losses) Included in AOCI | (33) | (64) | (56) | (137)
Assets, Purchases | 127 | 307 | 261 | 386
Assets, Sales | 0 | 0 | (1) | 0
Assets, Settlements | (14) | (6) | (19) | (32)
Assets, Net transfer In (Out) of Level 3 | 4 | (4) | 4 | 22
Balance at End of Period | 1,628 | 1,374 | 1,628 | 1,374
Change in Unrealized Included in OCI | (33) | (61) | (56) | (134)
Municipals |  |  |  |
Fixed maturity securities available-for-sale: |  |  |  |
Balance at Beginning of Period | 32 | 37 | 29 | 43
Assets, Total Gains (Losses) Included in Earnings | 0 | 0 | 0 | 0
Assets, Total Gains (Losses) Included in AOCI | 17 | (4) | 20 | (10)
Assets, Purchases | 0 | 0 | 0 | 0
Assets, Sales | 0 | 0 | 0 | 0
Assets, Settlements | 0 | 0 | 0 | 0
Assets, Net transfer In (Out) of Level 3 | 0 | 0 | 0 | 0
Balance at End of Period | 49 | 33 | 49 | 33
Change in Unrealized Included in OCI | 17 | (4) | 20 | (9)
Residential mortgage-backed securities |  |  |  |
Fixed maturity securities available-for-sale: |  |  |  |
Balance at Beginning of Period | 12 |  | 302 | 0
Assets, Total Gains (Losses) Included in Earnings | 0 | 0 | 1 | 0
Assets, Total Gains (Losses) Included in AOCI | 0 | 0 | 8 | 0
Assets, Purchases | 24 | 9 | 32 | 9
Assets, Sales | 0 | 0 | 0 | 0
Assets, Settlements | 0 | 0 | (8) | 0
Assets, Net transfer In (Out) of Level 3 | (8) | 0 | (307) | 0
Balance at End of Period | 28 | 9 | 28 | 9
Change in Unrealized Included in OCI | 0 | 0 | 8 | 0
Foreign Governments |  |  |  |
Fixed maturity securities available-for-sale: |  |  |  |
Balance at Beginning of Period | 16 | 17 | 16 | 18
Assets, Total Gains (Losses) Included in Earnings | 0 | 0 | 0 | 0
Assets, Total Gains (Losses) Included in AOCI | 0 | (1) | 0 | (2)
Assets, Purchases | 0 | 0 | 0 | 0
Assets, Sales | 0 | 0 | 0 | 0
Assets, Settlements | 0 | 0 | 0 | 0
Assets, Net transfer In (Out) of Level 3 | 0 | 0 | 0 | 0
Balance at End of Period | 16 | 16 | 16 | 16
Change in Unrealized Included in OCI | 0 | (1) | 0 | (1)
Investment in unconsolidated affiliates |  |  |  |
Fixed maturity securities available-for-sale: |  |  |  |
Balance at Beginning of Period | 107 | 21 | 23 | 21
Assets, Total Gains (Losses) Included in Earnings | 0 | 0 | 0 | 0
Assets, Total Gains (Losses) Included in AOCI | 0 | 0 | 0 | 0
Assets, Purchases | 90 | 0 | 174 | 0
Assets, Sales | 0 | 0 | 0 | 0
Assets, Settlements | 0 | 0 | 0 | 0
Assets, Net transfer In (Out) of Level 3 | 0 | 0 | 0 | 0
Balance at End of Period | 197 | 21 | 197 | 21
Change in Unrealized Included in OCI | 0 |  | 0 | 0
Short term investments |  |  |  |
Fixed maturity securities available-for-sale: |  |  |  |
Balance at Beginning of Period | 23 | 19 | 0 | 321
Assets, Total Gains (Losses) Included in Earnings | 0 | 0 | 0 | 0
Assets, Total Gains (Losses) Included in AOCI | 0 | 0 | 0 | (1)
Assets, Purchases | 103 | 0 | 126 | 20
Assets, Sales | 0 | 0 | 0 | 0
Assets, Settlements | 0 | 0 | 0 | 0
Assets, Net transfer In (Out) of Level 3 | 0 | (19) | 0 | (340)
Balance at End of Period | 126 | 0 | 126 | 0
Change in Unrealized Included in OCI | 0 | 0 | 0 | (1)
Preferred securities |  |  |  |
Fixed maturity securities available-for-sale: |  |  |  |
Balance at Beginning of Period | 1 | 1 | 1 | 2
Assets, Total Gains (Losses) Included in Earnings | 0 | 0 | 0 | 0
Assets, Total Gains (Losses) Included in AOCI | 0 | 0 | 0 | (1)
Assets, Purchases | 0 | 0 | 0 | 0
Assets, Sales | 0 | 0 | 0 | 0
Assets, Settlements | 0 | 0 | 0 | 0
Assets, Net transfer In (Out) of Level 3 | 6 | 0 | 6 | 0
Balance at End of Period | 7 | 1 | 7 | 1
Change in Unrealized Included in OCI | 0 | 0 | 0 | (1)
Equity securities |  |  |  |
Fixed maturity securities available-for-sale: |  |  |  |
Balance at Beginning of Period | 11 | 10 | 10 | 9
Assets, Total Gains (Losses) Included in Earnings | (1) | 0 | 0 | 0
Assets, Total Gains (Losses) Included in AOCI | 0 | 0 | 0 | 0
Assets, Purchases | 0 | 1 | 1 | 1
Assets, Sales | 0 | (1) | (1) | 0
Assets, Settlements | 0 | 0 | 0 | 0
Assets, Net transfer In (Out) of Level 3 | 4 | 0 | 4 | 0
Balance at End of Period | 14 | 10 | 14 | 10
Change in Unrealized Included in OCI | 0 | 0 | 0 | 0
Available-for-sale embedded derivative |  |  |  |
Fixed maturity securities available-for-sale: |  |  |  |
Balance at Beginning of Period | 25 | 30 | 23 | 34
Assets, Total Gains (Losses) Included in Earnings | 0 | (6) | 0 | (10)
Assets, Total Gains (Losses) Included in AOCI | 1 | 0 | 3 | 0
Assets, Purchases | 0 | 0 | 0 | 0
Assets, Sales | 0 | 0 | 0 | 0
Assets, Settlements | 0 | 0 | 0 | 0
Assets, Net transfer In (Out) of Level 3 | 0 |  | 0 | 0
Balance at End of Period | 26 | 24 | 26 | 24
Change in Unrealized Included in OCI | 1 | 0 | 3 | 0
Credit linked note |  |  |  |
Fixed maturity securities available-for-sale: |  |  |  |
Balance at Beginning of Period | 13 | 19 | 15 | 23
Assets, Total Gains (Losses) Included in Earnings | 0 | 0 | 0 | 0
Assets, Total Gains (Losses) Included in AOCI | 0 | 0 | 0 | (3)
Assets, Purchases | 0 | 0 | 0 | 0
Assets, Sales | 0 | 0 | 0 | 0
Assets, Settlements | 0 | (2) | (2) | (3)
Assets, Net transfer In (Out) of Level 3 | 0 | 0 | 0 | 0
Balance at End of Period | 13 | 17 | 13 | 17
Change in Unrealized Included in OCI | 0 | 0 | 0 | 0
Secured borrowing receivable |  |  |  |
Fixed maturity securities available-for-sale: |  |  |  |
Balance at Beginning of Period | 10 | 0 | 10 | 0
Assets, Total Gains (Losses) Included in Earnings | 0 | 0 | 0 | 0
Assets, Total Gains (Losses) Included in AOCI | 0 | 0 | 0 | 0
Assets, Purchases | 0 | 0 | 0 | 0
Assets, Sales | 0 | 0 | 0 | 0
Assets, Settlements | 0 | 0 | 0 | 0
Assets, Net transfer In (Out) of Level 3 | 0 | 10 | 0 | 10
Balance at End of Period | 10 | 10 | 10 | 10
Change in Unrealized Included in OCI | 0 | 0 | 0 | 0
Subtotal Level 3 assets at fair value |  |  |  |
Fixed maturity securities available-for-sale: |  |  |  |
Balance at Beginning of Period |  |  | 8,169 | 5,600
Assets, Total Gains (Losses) Included in Earnings |  |  | (11) | (9)
Assets, Total Gains (Losses) Included in AOCI |  |  | 9 | (431)
Assets, Purchases |  |  | 1,401 | 1,643
Assets, Sales |  |  | (100) | (39)
Assets, Settlements |  |  | (415) | (313)
Assets, Net transfer In (Out) of Level 3 |  |  | (412) | (222)
Balance at End of Period | 8,641 | 6,229 | 8,641 | 6,229
Change in Unrealized Included in OCI |  |  | 8 | (441)
Subtotal Level 3 assets at fair value | Level 3 |  |  |  |
Fixed maturity securities available-for-sale: |  |  |  |
Balance at Beginning of Period | 8,123 | 5,496 |  |
Balance at End of Period | 8,641 | 6,229 | 8,641 | 6,229
Market risk benefits asset |  |  |  |
Fixed maturity securities available-for-sale: |  |  |  |
Balance at End of Period | 118 |  | 118 |
Market risk benefits asset | Level 3 |  |  |  |
Fixed maturity securities available-for-sale: |  |  |  |
Balance at Beginning of Period | 106 | 29 | 117 | 41
Balance at End of Period | 118 | 86 | 118 | 86
Subtotal Level 3 liabilities at fair value |  |  |  |
Liabilities |  |  |  |
Balance at Beginning of Period |  |  | 3,115 | 3,883
Liabilities, Total Gains (Losses) Included in Earnings |  |  | 582 | (1,159)
Liabilities, Total Gains (Losses) Included in AOCI |  |  | 0 | 0
Liabilities, Purchases |  |  | 189 | 272
Liabilities, Sales |  |  | 0 | 0
Liabilities, Settlements |  |  | (65) | (55)
Liabilities, Net transfer In (Out) of Level 3 |  |  | 0 | 0
Balance at End of Period | 3,821 | 2,941 | 3,821 | 2,941
Change in Unrealized Gains (Losses) Included in OCI | 0 |  | 0 | 0
Subtotal Level 3 liabilities at fair value | Level 3 |  |  |  |
Liabilities |  |  |  |
Balance at Beginning of Period | 3,569 | 3,395 |  |
Balance at End of Period | 3,821 | 2,941 | 3,821 | 2,941
Market risk benefits liability | Level 3 |  |  |  |
Liabilities |  |  |  |
Balance at Beginning of Period | 324 | 486 | 282 | 469
Balance at End of Period | $ 313 | $ 292 | $ 313 | $ 292

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