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SEGMENT REPORTING - Schedule of Segment Results (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Mar. 31, 2024 | Jun. 30, 2023 | Mar. 31, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Segment Reporting Information [Line Items] |  |  |  |  |  |
Total revenues | $ 2,902 |  | $ 1,974 |  | $ 5,387 | $ 3,149
Policyholder benefits and claims incurred | (1,515) |  | (1,133) |  | (2,929) | (1,875)
Income tax recovery (expense) | 298 |  | (13) |  | 273 | (2)
Net income for the period | 269 | $ 337 | 360 | $ (93) | 606 | 267
Operating Segments |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Net premiums and other policy related revenues | 1,716 |  | 1,202 |  | 3,359 | 2,099
Other net investment income, including reinsurance funds withheld | 1,197 |  | 605 |  | 1,922 | 1,081
Total revenues | 2,913 |  | 1,807 |  | 5,281 | 3,180
Policyholder benefits and claims incurred | (1,467) |  | (1,117) |  | (2,910) | (1,820)
Other insurance and reinsurance expenses | (718) |  | (299) |  | (1,056) | (594)
Operating expenses excluding transactions costs | (290) |  | (170) |  | (516) | (337)
Interest expense | (95) |  | (60) |  | (167) | (120)
Income tax recovery (expense) | (45) |  | (1) |  | (55) | (4)
Net income for the period | 298 |  | 160 |  | 577 | 305
Operating Segments | Annuity |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Net premiums and other policy related revenues | 773 |  | 508 |  | 1,425 | 686
Other net investment income, including reinsurance funds withheld | 924 |  | 385 |  | 1,387 | 696
Total revenues | 1,697 |  | 893 |  | 2,812 | 1,382
Policyholder benefits and claims incurred | (740) |  | (542) |  | (1,479) | (725)
Other insurance and reinsurance expenses | (562) |  | (164) |  | (742) | (309)
Operating expenses excluding transactions costs | (79) |  | (34) |  | (120) | (73)
Interest expense | 0 |  | 0 |  | 0 | 0
Income tax recovery (expense) | (46) |  | 0 |  | (46) | 0
Net income for the period | 270 |  | 153 |  | 425 | 275
Operating Segments | Life |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Net premiums and other policy related revenues | 193 |  | 196 |  | 393 | 396
Other net investment income, including reinsurance funds withheld | 110 |  | 93 |  | 221 | 180
Total revenues | 303 |  | 289 |  | 614 | 576
Policyholder benefits and claims incurred | (128) |  | (151) |  | (292) | (305)
Other insurance and reinsurance expenses | (38) |  | (41) |  | (71) | (77)
Operating expenses excluding transactions costs | (62) |  | (56) |  | (119) | (111)
Interest expense | 0 |  | 0 |  | 0 | 0
Income tax recovery (expense) | (12) |  | 0 |  | (12) | 0
Net income for the period | 63 |  | 41 |  | 120 | 83
Operating Segments | P&C |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Net premiums and other policy related revenues | 750 |  | 498 |  | 1,541 | 1,017
Other net investment income, including reinsurance funds withheld | 128 |  | 92 |  | 231 | 130
Total revenues | 878 |  | 590 |  | 1,772 | 1,147
Policyholder benefits and claims incurred | (599) |  | (424) |  | (1,139) | (790)
Other insurance and reinsurance expenses | (118) |  | (94) |  | (243) | (208)
Operating expenses excluding transactions costs | (128) |  | (71) |  | (256) | (139)
Interest expense | 0 |  | 0 |  | 0 | 0
Income tax recovery (expense) | 4 |  | 0 |  | 2 | 0
Net income for the period | 37 |  | 1 |  | 136 | 10
Operating Segments | Corporate & Other |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Net premiums and other policy related revenues | 0 |  | 0 |  | 0 | 0
Other net investment income, including reinsurance funds withheld | 35 |  | 35 |  | 83 | 75
Total revenues | 35 |  | 35 |  | 83 | 75
Policyholder benefits and claims incurred | 0 |  | 0 |  | 0 | 0
Other insurance and reinsurance expenses | 0 |  | 0 |  | 0 | 0
Operating expenses excluding transactions costs | (21) |  | (9) |  | (21) | (14)
Interest expense | (95) |  | (60) |  | (167) | (120)
Income tax recovery (expense) | 9 |  | (1) |  | 1 | (4)
Net income for the period | (72) |  | (35) |  | (104) | (63)
Segment Reconciling Items |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Net income for the period | 269 |  | 360 |  | 606 | 267
Depreciation expense | (34) |  | (5) |  | (56) | (10)
Deferred income tax recovery | 343 |  | (11) |  | 328 | 2
Transaction costs | (137) |  | (5) |  | (149) | (9)
Net investment results from reinsurance funds withheld | (5) |  | 289 |  | 178 | 126
Unrealized mark to market losses within insurance contracts | $ (196) |  | $ (68) |  | $ (272) | $ (147)

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