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Fair Value of Assets and Liabilities (Balances of Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
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Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value | [1] | $ 316,321 |  | $ 307,719 |  |
Assets supporting experience-rated contractholder liabilities |  | 3,168 |  | 2,844 |  |
Market risk benefit assets |  | 1,981 |  | 800 | [2] | $ 944
Fixed maturities, trading | [1] | 9,790 |  | 5,951 |  |
Equity Securities | [1] | 8,242 |  | 7,150 |  |
Commercial mortgage and other loans | [1] | 59,305 |  | 56,745 |  |
Other invested assets | [1] | 22,855 |  | 21,099 |  |
Reinsurance recoverables and deposit receivables |  | 27,311 | [3] | 18,993 | [2],[4] |
Other Assets | [1] | 13,179 | [3] | 12,686 | [2],[4] |
Separate account assets |  | 198,888 |  | 197,679 |  |
TOTAL ASSETS |  | 721,123 |  | 689,029 |  |
Market risk benefit liabilities |  | 5,467 |  | 5,864 | [2] | $ 10,175
Reinsurance and funds withheld payables (includes $490 and $(31) of embedded derivatives at fair value at December 31, 2023 and 2022, respectively) |  | 15,729 | [3] | 5,733 | [2],[4] |
Other liabilities | [1] | 16,071 |  | 15,720 | [2],[4] |
Total liabilities |  | 691,336 |  | 657,110 |  |
Netting |  | (13,158) |  | (14,802) |  |
Fixed Maturities, available-for-sale, Amortized Cost |  | 334,598 |  | 335,447 |  |
Fixed maturities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets supporting experience-rated contractholder liabilities |  | 889 |  | 945 |  |
U.S. Treasury securities and obligations of U.S. government authorities and agencies |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 21,796 |  | 26,069 |  |
Fixed Maturities, available-for-sale, Amortized Cost |  | 24,874 |  | 29,372 |  |
Obligations of U.S. states and their political subdivisions |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 8,458 |  | 9,689 |  |
Fixed Maturities, available-for-sale, Amortized Cost |  | 8,650 |  | 10,179 |  |
Foreign government bonds |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 70,190 |  | 73,226 |  |
Assets supporting experience-rated contractholder liabilities |  | 604 |  | 668 |  |
Fixed Maturities, available-for-sale, Amortized Cost |  | 71,556 |  | 74,103 |  |
U.S. public corporate securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 98,172 |  | 87,586 |  |
Fixed Maturities, available-for-sale, Amortized Cost |  | 105,593 |  | 99,854 |  |
U.S. private corporate securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 41,020 |  | 36,879 |  |
Fixed Maturities, available-for-sale, Amortized Cost |  | 42,801 |  | 39,867 |  |
Foreign public corporate securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 19,643 |  | 20,687 |  |
Fixed Maturities, available-for-sale, Amortized Cost |  | 20,473 |  | 22,235 |  |
Foreign private corporate securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 32,290 |  | 27,660 |  |
Fixed Maturities, available-for-sale, Amortized Cost |  | 35,128 |  | 32,755 |  |
Corporate securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets supporting experience-rated contractholder liabilities |  | 79 |  | 88 |  |
Asset-backed securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 12,595 |  | 12,851 |  |
Fixed Maturities, available-for-sale, Amortized Cost |  | 12,514 |  | 12,972 |  |
Commercial mortgage-backed securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 9,892 |  | 10,655 |  |
Fixed Maturities, available-for-sale, Amortized Cost |  | 10,571 |  | 11,497 |  |
Residential mortgage-backed securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 2,265 |  | 2,417 |  |
Fixed Maturities, available-for-sale, Amortized Cost |  | 2,438 |  | 2,613 |  |
Equity securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fair value investment measured at NAV per share |  | 239 |  |  |  |
Fair Value, Measurements, Recurring |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 316,321 |  | 307,719 |  |
Assets supporting experience-rated contractholder liabilities |  | 3,168 |  | 2,844 |  |
Market risk benefit assets |  | 1,981 |  | 800 |  |
Fixed maturities, trading |  | 9,790 |  | 5,951 |  |
Equity Securities |  | 8,003 |  | 7,150 |  |
Commercial mortgage and other loans |  | 519 |  | 137 |  |
Other invested assets |  | 1,949 |  | 1,993 |  |
Short-term investments |  | 3,900 |  | 3,787 |  |
Cash equivalents |  | 10,302 |  | 7,474 |  |
Reinsurance recoverables and deposit receivables |  | 149 |  | 38 |  |
Other Assets |  | 11 |  | 11 |  |
Separate account assets |  | 171,812 |  | 171,805 |  |
TOTAL ASSETS |  | 527,905 |  | 509,709 |  |
Market risk benefit liabilities |  | 5,467 |  | 5,864 |  |
Policyholders' account balances |  | 7,752 |  | 3,492 |  |
Reinsurance and funds withheld payables (includes $490 and $(31) of embedded derivatives at fair value at December 31, 2023 and 2022, respectively) |  | 490 |  |  |  |
Other liabilities |  | 4,175 |  | 3,056 |  |
Notes issued by consolidated VIEs |  | 778 |  | 0 |  |
Total liabilities |  | 18,662 |  | 12,381 |  |
Assets Netting |  | (13,158) |  | (14,802) |  |
Liabilities Netting |  | (22,973) |  | (23,298) |  |
Netting |  | (9,815) |  | (8,496) |  |
Fair Value, Measurements, Recurring | Fixed Maturities, Netting |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Reinsurance and funds withheld payables (includes $490 and $(31) of embedded derivatives at fair value at December 31, 2023 and 2022, respectively) |  |  |  | (31) |  |
Fair Value, Measurements, Recurring | Other invested assets |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets Netting |  | (13,158) |  | (14,802) |  |
Fair Value, Measurements, Recurring | Other liabilities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Liabilities Netting |  | (22,973) |  | (23,298) |  |
Fair Value, Measurements, Recurring | U.S. Treasury securities and obligations of U.S. government authorities and agencies |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 21,796 |  | 26,069 |  |
Assets supporting experience-rated contractholder liabilities |  | 206 |  | 189 |  |
Fair Value, Measurements, Recurring | Obligations of U.S. states and their political subdivisions |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 8,458 |  | 9,689 |  |
Fair Value, Measurements, Recurring | Foreign government bonds |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 70,190 |  | 73,226 |  |
Assets supporting experience-rated contractholder liabilities |  | 604 |  | 668 |  |
Fair Value, Measurements, Recurring | U.S. public corporate securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 98,172 |  | 87,586 |  |
Fair Value, Measurements, Recurring | U.S. private corporate securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 41,020 |  | 36,879 |  |
Fair Value, Measurements, Recurring | Foreign public corporate securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 19,643 |  | 20,687 |  |
Fair Value, Measurements, Recurring | Foreign private corporate securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 32,290 |  | 27,660 |  |
Fair Value, Measurements, Recurring | Corporate securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets supporting experience-rated contractholder liabilities |  | 79 |  | 88 |  |
Fair Value, Measurements, Recurring | Asset-backed securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 12,595 |  | 12,851 |  |
Fair Value, Measurements, Recurring | Commercial mortgage-backed securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 9,892 |  | 10,655 |  |
Fair Value, Measurements, Recurring | Residential mortgage-backed securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 2,265 |  | 2,417 |  |
Fair Value, Measurements, Recurring | Equity securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets supporting experience-rated contractholder liabilities |  | 2,279 |  | 1,899 |  |
Fair Value, Measurements, Recurring | Level 1 |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 0 |  | 0 |  |
Assets supporting experience-rated contractholder liabilities |  | 1,004 |  | 780 |  |
Market risk benefit assets |  | 0 |  | 0 |  |
Fixed maturities, trading |  | 0 |  | 0 |  |
Equity Securities |  | 5,953 |  | 4,338 |  |
Commercial mortgage and other loans |  | 0 |  | 0 |  |
Other invested assets |  | 27 |  | 15 |  |
Short-term investments |  | 125 |  | 341 |  |
Cash equivalents |  | 2,240 |  | 544 |  |
Reinsurance recoverables and deposit receivables |  | 0 |  | 0 |  |
Other Assets |  | 0 |  | 0 |  |
Separate account assets |  | 8,925 |  | 8,310 |  |
TOTAL ASSETS |  | 18,274 |  | 14,328 |  |
Market risk benefit liabilities |  | 0 |  | 0 |  |
Policyholders' account balances |  | 0 |  | 0 |  |
Reinsurance and funds withheld payables (includes $490 and $(31) of embedded derivatives at fair value at December 31, 2023 and 2022, respectively) |  | 0 |  |  |  |
Other liabilities |  | 35 |  | 26 |  |
Notes issued by consolidated VIEs |  | 0 |  | 0 |  |
Total liabilities |  | 35 |  | 26 |  |
Fair Value, Measurements, Recurring | Level 1 | Fixed Maturities, Netting |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Reinsurance and funds withheld payables (includes $490 and $(31) of embedded derivatives at fair value at December 31, 2023 and 2022, respectively) |  |  |  | 0 |  |
Fair Value, Measurements, Recurring | Level 1 | U.S. Treasury securities and obligations of U.S. government authorities and agencies |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 0 |  | 0 |  |
Assets supporting experience-rated contractholder liabilities |  | 0 |  | 0 |  |
Fair Value, Measurements, Recurring | Level 1 | Obligations of U.S. states and their political subdivisions |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 0 |  | 0 |  |
Fair Value, Measurements, Recurring | Level 1 | Foreign government bonds |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 0 |  | 0 |  |
Assets supporting experience-rated contractholder liabilities |  | 0 |  | 0 |  |
Fair Value, Measurements, Recurring | Level 1 | U.S. public corporate securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 0 |  | 0 |  |
Fair Value, Measurements, Recurring | Level 1 | U.S. private corporate securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 0 |  | 0 |  |
Fair Value, Measurements, Recurring | Level 1 | Foreign public corporate securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 0 |  | 0 |  |
Fair Value, Measurements, Recurring | Level 1 | Foreign private corporate securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 0 |  | 0 |  |
Fair Value, Measurements, Recurring | Level 1 | Corporate securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets supporting experience-rated contractholder liabilities |  | 0 |  | 0 |  |
Fair Value, Measurements, Recurring | Level 1 | Asset-backed securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 0 |  | 0 |  |
Fair Value, Measurements, Recurring | Level 1 | Commercial mortgage-backed securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 0 |  | 0 |  |
Fair Value, Measurements, Recurring | Level 1 | Residential mortgage-backed securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 0 |  | 0 |  |
Fair Value, Measurements, Recurring | Level 1 | Equity securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets supporting experience-rated contractholder liabilities |  | 1,004 |  | 780 |  |
Fair Value, Measurements, Recurring | Level 2 |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 310,203 |  | 302,557 |  |
Assets supporting experience-rated contractholder liabilities |  | 2,164 |  | 2,064 |  |
Market risk benefit assets |  | 0 |  | 0 |  |
Fixed maturities, trading |  | 9,361 |  | 5,647 |  |
Equity Securities |  | 1,538 |  | 2,185 |  |
Commercial mortgage and other loans |  | 519 |  | 137 |  |
Other invested assets |  | 14,234 |  | 16,241 |  |
Short-term investments |  | 3,746 |  | 3,428 |  |
Cash equivalents |  | 8,058 |  | 6,930 |  |
Reinsurance recoverables and deposit receivables |  | (75) |  | (103) |  |
Other Assets |  | 0 |  | 0 |  |
Separate account assets |  | 161,793 |  | 162,414 |  |
TOTAL ASSETS |  | 511,541 |  | 501,500 |  |
Market risk benefit liabilities |  | 0 |  | 0 |  |
Policyholders' account balances |  | 0 |  | 0 |  |
Reinsurance and funds withheld payables (includes $490 and $(31) of embedded derivatives at fair value at December 31, 2023 and 2022, respectively) |  | 490 |  |  |  |
Other liabilities |  | 27,112 |  | 26,327 |  |
Notes issued by consolidated VIEs |  | 0 |  | 0 |  |
Total liabilities |  | 27,602 |  | 26,296 |  |
Fair Value, Measurements, Recurring | Level 2 | Fixed Maturities, Netting |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Reinsurance and funds withheld payables (includes $490 and $(31) of embedded derivatives at fair value at December 31, 2023 and 2022, respectively) |  |  |  | (31) |  |
Fair Value, Measurements, Recurring | Level 2 | U.S. Treasury securities and obligations of U.S. government authorities and agencies |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 21,796 |  | 26,069 |  |
Assets supporting experience-rated contractholder liabilities |  | 206 |  | 189 |  |
Fair Value, Measurements, Recurring | Level 2 | Obligations of U.S. states and their political subdivisions |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 8,451 |  | 9,682 |  |
Fair Value, Measurements, Recurring | Level 2 | Foreign government bonds |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 70,182 |  | 73,218 |  |
Assets supporting experience-rated contractholder liabilities |  | 604 |  | 668 |  |
Fair Value, Measurements, Recurring | Level 2 | U.S. public corporate securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 98,097 |  | 87,521 |  |
Fair Value, Measurements, Recurring | Level 2 | U.S. private corporate securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 38,199 |  | 34,487 |  |
Fair Value, Measurements, Recurring | Level 2 | Foreign public corporate securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 19,576 |  | 20,621 |  |
Fair Value, Measurements, Recurring | Level 2 | Foreign private corporate securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 30,447 |  | 26,325 |  |
Fair Value, Measurements, Recurring | Level 2 | Corporate securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets supporting experience-rated contractholder liabilities |  | 79 |  | 88 |  |
Fair Value, Measurements, Recurring | Level 2 | Asset-backed securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 12,236 |  | 12,582 |  |
Fair Value, Measurements, Recurring | Level 2 | Commercial mortgage-backed securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 8,954 |  | 9,644 |  |
Fair Value, Measurements, Recurring | Level 2 | Residential mortgage-backed securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 2,265 |  | 2,408 |  |
Fair Value, Measurements, Recurring | Level 2 | Equity securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets supporting experience-rated contractholder liabilities |  | 1,275 |  | 1,119 |  |
Fair Value, Measurements, Recurring | Level 3 |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 6,118 |  | 5,162 |  |
Assets supporting experience-rated contractholder liabilities |  | 0 |  | 0 |  |
Market risk benefit assets |  | 1,981 |  | 800 |  |
Fixed maturities, trading |  | 429 |  | 304 |  |
Equity Securities |  | 512 |  | 627 |  |
Commercial mortgage and other loans |  | 0 |  | 0 |  |
Other invested assets |  | 846 |  | 539 |  |
Short-term investments |  | 29 |  | 18 |  |
Cash equivalents |  | 4 |  | 0 |  |
Reinsurance recoverables and deposit receivables |  | 224 |  | 141 |  |
Other Assets |  | 11 |  | 11 |  |
Separate account assets |  | 1,094 |  | 1,081 |  |
TOTAL ASSETS |  | 11,248 |  | 8,683 |  |
Market risk benefit liabilities |  | 5,467 |  | 5,864 |  |
Policyholders' account balances |  | 7,752 |  | 3,492 |  |
Reinsurance and funds withheld payables (includes $490 and $(31) of embedded derivatives at fair value at December 31, 2023 and 2022, respectively) |  | 0 |  |  |  |
Other liabilities |  | 1 |  | 1 |  |
Notes issued by consolidated VIEs |  | 778 |  | 0 |  |
Total liabilities |  | 13,998 |  | 9,357 |  |
Fair Value, Measurements, Recurring | Level 3 | Fixed Maturities, Netting |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Reinsurance and funds withheld payables (includes $490 and $(31) of embedded derivatives at fair value at December 31, 2023 and 2022, respectively) |  |  |  | 0 |  |
Fair Value, Measurements, Recurring | Level 3 | U.S. Treasury securities and obligations of U.S. government authorities and agencies |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 0 |  | 0 |  |
Assets supporting experience-rated contractholder liabilities |  | 0 |  | 0 |  |
Fair Value, Measurements, Recurring | Level 3 | Obligations of U.S. states and their political subdivisions |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 7 |  | 7 |  |
Fair Value, Measurements, Recurring | Level 3 | Foreign government bonds |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 8 |  | 8 |  |
Assets supporting experience-rated contractholder liabilities |  | 0 |  | 0 |  |
Fair Value, Measurements, Recurring | Level 3 | U.S. public corporate securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 75 |  | 65 |  |
Fair Value, Measurements, Recurring | Level 3 | U.S. private corporate securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 2,821 |  | 2,392 |  |
Fair Value, Measurements, Recurring | Level 3 | Foreign public corporate securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 67 |  | 66 |  |
Fair Value, Measurements, Recurring | Level 3 | Foreign private corporate securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 1,843 |  | 1,335 |  |
Fair Value, Measurements, Recurring | Level 3 | Corporate securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets supporting experience-rated contractholder liabilities |  | 0 |  | 0 |  |
Fair Value, Measurements, Recurring | Level 3 | Asset-backed securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 359 |  | 269 |  |
Fair Value, Measurements, Recurring | Level 3 | Commercial mortgage-backed securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 938 |  | 1,011 |  |
Fair Value, Measurements, Recurring | Level 3 | Residential mortgage-backed securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 0 |  | 9 |  |
Fair Value, Measurements, Recurring | Level 3 | Equity securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets supporting experience-rated contractholder liabilities |  | 0 |  | 0 |  |
Prudential Netting Agreement | U.S. private corporate securities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 12,370 |  | 8,040 |  |
Fixed Maturities, available-for-sale, Amortized Cost |  | 12,370 |  | 8,040 |  |
Prudential Netting Agreement | U.S. private corporate securities | Fixed maturities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fixed Maturities, available-for-sale, at fair value |  | 12,370 |  | 8,040 |  |
Fixed Maturities, available-for-sale, Amortized Cost |  | 12,370 |  | 8,040 |  |
Other invested assets |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fair value investment measured at NAV per share |  | 4,125 |  | 3,689 |  |
Separate account assets |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Fair value investment measured at NAV per share |  | $ 27,076 |  | $ 25,874 |  |
[1] | See Note 4 for details of balances associated with variable interest entities.
[2] | Prior period amounts adjusted for the implementation of ASU 2018-12: Targeted Improvements to the Accounting for Long-Duration Contracts.
[3] | See Note 24 for additional information regarding related party transactions.
[4] | Prior period amounts have been reclassified to conform to current period presentation.

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