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FAIR VALUE MEASUREMENTS - Changes in Level III Assets (Details) - Level III - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation |  |
Balance, Beg. of Period | $ 58,050,471 | $ 40,861,523
Transfers In / (Out) - Changes in Consolidation | 655,303 | (5,672,986)
Transfers In | 493,525 | 815,522
Transfers Out | (399,367) | (2,630,913)
Net Purchases/Issuances/Sales/Settlements | 13,922,921 | 15,798,158
Net Unrealized and Realized Gains (Losses) | (1,410,146) | 8,885,494
Change in OCI | (488,092) | (6,327)
Balance, End of Period | 70,824,615 | 58,050,471
Changes in Net Unrealized Gains (Losses) Included in Earnings related to Level III Assets and Liabilities still held as of the Reporting Date | (1,602,844) | 7,905,712
Changes in Net Unrealized Gains (Losses) Included in OCI related to Level III Assets and Liabilities still held as of the Reporting Date | $ (451,798) | $ 15,579
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Liability, Gain (Loss), Statement of Other Comprehensive Income or Comprehensive Income [Extensible Enumeration] | Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest |
Fair Value, Recurring Basis, Unobservable Input Reconciliation Asset, Gain (Loss) Statement Of Income Extensible List Not Disclosed |  | Net Unrealized and Realized Gains (Losses)
Fair Value Liabilities, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement Of Income, Extensible List Not Disclosed Flag |  | Changes in Net Unrealized Gains (Losses) Included in Earnings related to Level III Assets and Liabilities still held as of the Reporting Date
Asset Management |  |
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation |  |
Balance, Beg. of Period | $ 44,793,124 | $ 33,695,354
Transfers In / (Out) - Changes in Consolidation | 655,303 | (5,672,986)
Transfers In | 9,617 | 127,516
Transfers Out | (235,277) | (2,556,949)
Net Purchases/Issuances/Sales/Settlements | 8,703,458 | 10,885,612
Net Unrealized and Realized Gains (Losses) | (824,876) | 8,304,163
Change in OCI | (4,468) | 10,414
Balance, End of Period | 53,096,881 | 44,793,124
Changes in Net Unrealized Gains (Losses) Included in Earnings related to Level III Assets and Liabilities still held as of the Reporting Date | (1,358,622) | 7,883,661
Changes in Net Unrealized Gains (Losses) Included in OCI related to Level III Assets and Liabilities still held as of the Reporting Date | 0 | 10,414
Insurance |  |
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation |  |
Balance, Beg. of Period | 13,257,347 | 7,166,169
Transfers In / (Out) - Changes in Consolidation | 0 | 0
Transfers In | 483,908 | 688,006
Transfers Out | (164,090) | (73,964)
Net Purchases/Issuances/Sales/Settlements | 5,219,463 | 4,912,546
Net Unrealized and Realized Gains (Losses) | (585,270) | 581,331
Change in OCI | (483,624) | (16,741)
Balance, End of Period | 17,727,734 | 13,257,347
Changes in Net Unrealized Gains (Losses) Included in Earnings related to Level III Assets and Liabilities still held as of the Reporting Date | (244,222) | 22,051
Changes in Net Unrealized Gains (Losses) Included in OCI related to Level III Assets and Liabilities still held as of the Reporting Date | (451,798) | 5,165
AFS fixed maturity securities | Insurance |  |
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation |  |
Balance, Beg. of Period | 8,479,061 | 3,702,548
Transfers In / (Out) - Changes in Consolidation | 0 | 0
Transfers In | 343,338 | 510,282
Transfers Out | (88,076) | (69,814)
Net Purchases/Issuances/Sales/Settlements | 1,546,037 | 4,352,786
Net Unrealized and Realized Gains (Losses) | (66,638) | 0
Change in OCI | (483,624) | (16,741)
Balance, End of Period | 9,730,098 | 8,479,061
Changes in Net Unrealized Gains (Losses) Included in Earnings related to Level III Assets and Liabilities still held as of the Reporting Date | 0 | 0
Changes in Net Unrealized Gains (Losses) Included in OCI related to Level III Assets and Liabilities still held as of the Reporting Date | (451,798) | 5,165
AFS fixed maturity securities | Corporate Securities | Insurance |  |
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation |  |
Balance, Beg. of Period | 7,650,660 | 3,504,578
Transfers In / (Out) - Changes in Consolidation | 0 | 0
Transfers In | 0 | 111,805
Transfers Out | (88,076) | (65,664)
Net Purchases/Issuances/Sales/Settlements | 1,177,295 | 4,112,225
Net Unrealized and Realized Gains (Losses) | (59,342) | 0
Change in OCI | (369,880) | (12,284)
Balance, End of Period | 8,310,657 | 7,650,660
Changes in Net Unrealized Gains (Losses) Included in Earnings related to Level III Assets and Liabilities still held as of the Reporting Date | 0 | 0
Changes in Net Unrealized Gains (Losses) Included in OCI related to Level III Assets and Liabilities still held as of the Reporting Date | (328,184) | 5,973
AFS fixed maturity securities | Structured securities | Insurance |  |
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation |  |
Balance, Beg. of Period | 828,401 | 197,970
Transfers In / (Out) - Changes in Consolidation | 0 | 0
Transfers In | 343,338 | 398,477
Transfers Out | 0 | (4,150)
Net Purchases/Issuances/Sales/Settlements | 368,742 | 240,561
Net Unrealized and Realized Gains (Losses) | (7,296) | 0
Change in OCI | (113,744) | (4,457)
Balance, End of Period | 1,419,441 | 828,401
Changes in Net Unrealized Gains (Losses) Included in Earnings related to Level III Assets and Liabilities still held as of the Reporting Date | 0 | 0
Changes in Net Unrealized Gains (Losses) Included in OCI related to Level III Assets and Liabilities still held as of the Reporting Date | (123,614) | (808)
Trading Fixed Maturity Securities | Insurance |  |
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation |  |
Balance, Beg. of Period | 983,799 | 691,311
Transfers In / (Out) - Changes in Consolidation | 0 | 0
Transfers In | 140,570 | 172,721
Transfers Out | (76,014) | (4,150)
Net Purchases/Issuances/Sales/Settlements | 452,103 | 124,065
Net Unrealized and Realized Gains (Losses) | (184,624) | (148)
Change in OCI | 0 | 0
Balance, End of Period | 1,315,834 | 983,799
Changes in Net Unrealized Gains (Losses) Included in Earnings related to Level III Assets and Liabilities still held as of the Reporting Date | (186,153) | (392)
Changes in Net Unrealized Gains (Losses) Included in OCI related to Level III Assets and Liabilities still held as of the Reporting Date | 0 | 0
Trading Fixed Maturity Securities | Corporate Securities | Insurance |  |
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation |  |
Balance, Beg. of Period | 565,025 | 676,650
Transfers In / (Out) - Changes in Consolidation | 0 | 0
Transfers In | 11,826 | 0
Transfers Out | (44,273) | 0
Net Purchases/Issuances/Sales/Settlements | 219,892 | (111,516)
Net Unrealized and Realized Gains (Losses) | (80,447) | (109)
Change in OCI | 0 | 0
Balance, End of Period | 672,023 | 565,025
Changes in Net Unrealized Gains (Losses) Included in Earnings related to Level III Assets and Liabilities still held as of the Reporting Date | (79,031) | (1,332)
Changes in Net Unrealized Gains (Losses) Included in OCI related to Level III Assets and Liabilities still held as of the Reporting Date | 0 | 0
Trading Fixed Maturity Securities | Structured securities | Insurance |  |
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation |  |
Balance, Beg. of Period | 418,774 | 14,661
Transfers In / (Out) - Changes in Consolidation | 0 | 0
Transfers In | 128,744 | 172,721
Transfers Out | (31,741) | (4,150)
Net Purchases/Issuances/Sales/Settlements | 232,211 | 235,581
Net Unrealized and Realized Gains (Losses) | (104,177) | (39)
Change in OCI | 0 | 0
Balance, End of Period | 643,811 | 418,774
Changes in Net Unrealized Gains (Losses) Included in Earnings related to Level III Assets and Liabilities still held as of the Reporting Date | (107,122) | 940
Changes in Net Unrealized Gains (Losses) Included in OCI related to Level III Assets and Liabilities still held as of the Reporting Date | 0 | 0
Equity securities at fair value | Insurance |  |
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation |  |
Balance, Beg. of Period | 32,937 | 66,660
Transfers In / (Out) - Changes in Consolidation | 0 | 0
Transfers In | 0 | 0
Transfers Out | 0 | 0
Net Purchases/Issuances/Sales/Settlements | 195 | (86,778)
Net Unrealized and Realized Gains (Losses) | (16,846) | 53,055
Change in OCI | 0 | 0
Balance, End of Period | 16,286 | 32,937
Changes in Net Unrealized Gains (Losses) Included in Earnings related to Level III Assets and Liabilities still held as of the Reporting Date | (16,846) | 20,292
Changes in Net Unrealized Gains (Losses) Included in OCI related to Level III Assets and Liabilities still held as of the Reporting Date | 0 | 0
Mortgage and other loan receivables | Insurance |  |
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation |  |
Balance, Beg. of Period | 832,674 | 928,673
Transfers In / (Out) - Changes in Consolidation | 0 | 0
Transfers In | 0 | 0
Transfers Out | 0 | 0
Net Purchases/Issuances/Sales/Settlements | 54,239 | (98,120)
Net Unrealized and Realized Gains (Losses) | (99,398) | 2,121
Change in OCI | 0 | 0
Balance, End of Period | 787,515 | 832,674
Changes in Net Unrealized Gains (Losses) Included in Earnings related to Level III Assets and Liabilities still held as of the Reporting Date | (84,219) | (1,515)
Changes in Net Unrealized Gains (Losses) Included in OCI related to Level III Assets and Liabilities still held as of the Reporting Date | 0 | 0
Other investments | Insurance |  |
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation |  |
Balance, Beg. of Period | 1,603,345 | 437,275
Transfers In / (Out) - Changes in Consolidation | 0 | 0
Transfers In | 0 | 5,003
Transfers Out | 0 | 0
Net Purchases/Issuances/Sales/Settlements | 3,167,542 | 630,457
Net Unrealized and Realized Gains (Losses) | 112,554 | 530,610
Change in OCI | 0 | 0
Balance, End of Period | 4,883,441 | 1,603,345
Changes in Net Unrealized Gains (Losses) Included in Earnings related to Level III Assets and Liabilities still held as of the Reporting Date | 42,996 | 3,666
Changes in Net Unrealized Gains (Losses) Included in OCI related to Level III Assets and Liabilities still held as of the Reporting Date | 0 | 0
Income assumed from funds withheld receivable at interest | Insurance |  |
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation |  |
Balance, Beg. of Period | 31,740 | 0
Transfers In / (Out) - Changes in Consolidation | 0 | 0
Transfers In | 0 | 0
Transfers Out | 0 | 0
Net Purchases/Issuances/Sales/Settlements | 10,435 | 0
Net Unrealized and Realized Gains (Losses) | (29,390) | 31,740
Change in OCI | 0 | 0
Balance, End of Period | 12,785 | 31,740
Changes in Net Unrealized Gains (Losses) Included in Earnings related to Level III Assets and Liabilities still held as of the Reporting Date | 0 | 0
Changes in Net Unrealized Gains (Losses) Included in OCI related to Level III Assets and Liabilities still held as of the Reporting Date | 0 | 0
Reinsurance recoverable | Insurance |  |
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation |  |
Balance, Beg. of Period | 1,293,791 | 1,339,702
Transfers In / (Out) - Changes in Consolidation | 0 | 0
Transfers In | 0 | 0
Transfers Out | 0 | 0
Net Purchases/Issuances/Sales/Settlements | (11,088) | (9,864)
Net Unrealized and Realized Gains (Losses) | (300,928) | (36,047)
Change in OCI | 0 | 0
Balance, End of Period | 981,775 | 1,293,791
Changes in Net Unrealized Gains (Losses) Included in Earnings related to Level III Assets and Liabilities still held as of the Reporting Date | 0 | 0
Changes in Net Unrealized Gains (Losses) Included in OCI related to Level III Assets and Liabilities still held as of the Reporting Date | 0 | 0
Private Equity | Investments | Asset Management |  |
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation |  |
Balance, Beg. of Period | 23,322,634 | 15,234,904
Transfers In / (Out) - Changes in Consolidation | (49,000) | 0
Transfers In | 0 | 5,034
Transfers Out | (138,220) | (504,112)
Net Purchases/Issuances/Sales/Settlements | 2,496,973 | 2,672,278
Net Unrealized and Realized Gains (Losses) | (295,430) | 5,914,530
Change in OCI | 0 | 0
Balance, End of Period | 25,336,957 | 23,322,634
Changes in Net Unrealized Gains (Losses) Included in Earnings related to Level III Assets and Liabilities still held as of the Reporting Date | (593,364) | 5,610,159
Changes in Net Unrealized Gains (Losses) Included in OCI related to Level III Assets and Liabilities still held as of the Reporting Date | 0 | 0
Credit | Investments | Asset Management |  |
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation |  |
Balance, Beg. of Period | 5,826,661 | 9,172,848
Transfers In / (Out) - Changes in Consolidation | 34,245 | (5,461,589)
Transfers In | 9,617 | 86,135
Transfers Out | (96,218) | 0
Net Purchases/Issuances/Sales/Settlements | 362,875 | 1,898,617
Net Unrealized and Realized Gains (Losses) | (346,686) | 120,236
Change in OCI | (4,468) | 10,414
Balance, End of Period | 5,786,026 | 5,826,661
Changes in Net Unrealized Gains (Losses) Included in Earnings related to Level III Assets and Liabilities still held as of the Reporting Date | (278,038) | 143,647
Changes in Net Unrealized Gains (Losses) Included in OCI related to Level III Assets and Liabilities still held as of the Reporting Date | 0 | 10,414
Real Assets | Investments | Asset Management |  |
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation |  |
Balance, Beg. of Period | 11,389,530 | 5,924,575
Transfers In / (Out) - Changes in Consolidation | 0 | (208,518)
Transfers In | 0 | 17,567
Transfers Out | 0 | (1,914,962)
Net Purchases/Issuances/Sales/Settlements | 5,115,282 | 5,996,313
Net Unrealized and Realized Gains (Losses) | 510,300 | 1,574,555
Change in OCI | 0 | 0
Balance, End of Period | 17,015,112 | 11,389,530
Changes in Net Unrealized Gains (Losses) Included in Earnings related to Level III Assets and Liabilities still held as of the Reporting Date | 114,614 | 1,443,458
Changes in Net Unrealized Gains (Losses) Included in OCI related to Level III Assets and Liabilities still held as of the Reporting Date | 0 | 0
Equity Method - Other | Investments | Asset Management |  |
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation |  |
Balance, Beg. of Period | 1,013,807 | 1,014,378
Transfers In / (Out) - Changes in Consolidation | 156,183 | 0
Transfers In | 0 | 0
Transfers Out | 0 | (22,601)
Net Purchases/Issuances/Sales/Settlements | 603,992 | (250,391)
Net Unrealized and Realized Gains (Losses) | (149,562) | 272,421
Change in OCI | 0 | 0
Balance, End of Period | 1,624,420 | 1,013,807
Changes in Net Unrealized Gains (Losses) Included in Earnings related to Level III Assets and Liabilities still held as of the Reporting Date | (142,352) | 222,087
Changes in Net Unrealized Gains (Losses) Included in OCI related to Level III Assets and Liabilities still held as of the Reporting Date | 0 | 0
Other Investments | Investments | Asset Management |  |
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation |  |
Balance, Beg. of Period | 3,240,013 | 2,341,981
Transfers In / (Out) - Changes in Consolidation | 513,875 | (2,879)
Transfers In | 0 | 18,780
Transfers Out | (839) | (115,274)
Net Purchases/Issuances/Sales/Settlements | 93,743 | 518,817
Net Unrealized and Realized Gains (Losses) | (512,426) | 478,588
Change in OCI | 0 | 0
Balance, End of Period | 3,334,366 | 3,240,013
Changes in Net Unrealized Gains (Losses) Included in Earnings related to Level III Assets and Liabilities still held as of the Reporting Date | (459,482) | 520,477
Changes in Net Unrealized Gains (Losses) Included in OCI related to Level III Assets and Liabilities still held as of the Reporting Date | 0 | 0
Other Derivatives | Investments | Asset Management |  |
Fair value, assets measured on recurring basis, level 3 fair-value category reconciliation |  |
Balance, Beg. of Period | 479 | 6,668
Transfers In / (Out) - Changes in Consolidation | 0 | 0
Transfers In | 0 | 0
Transfers Out | 0 | 0
Net Purchases/Issuances/Sales/Settlements | 30,593 | 49,978
Net Unrealized and Realized Gains (Losses) | (31,072) | (56,167)
Change in OCI | 0 | 0
Balance, End of Period | 0 | 479
Changes in Net Unrealized Gains (Losses) Included in Earnings related to Level III Assets and Liabilities still held as of the Reporting Date | 0 | (56,167)
Changes in Net Unrealized Gains (Losses) Included in OCI related to Level III Assets and Liabilities still held as of the Reporting Date | $ 0 | $ 0

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