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Fair Value Measurements - Carrying Values and Estimated Fair Values of our Financial Instruments not Measured at Fair value (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | --- | ---
Assets: |  |  |  |
Mortgage and other loans receivable | [1] | $ 3,868 | $ 4,441 |
Other investments |  | 9,828 | 6,368 |
Short-term investments | [1] | 14,462 | 12,865 |
Cash |  | 1,302 | 1,540 | $ 1,482
Other assets | [1] | 4,735 | 5,425 |
Liabilities: |  |  |  |
Fortitude Re funds withheld payable |  | 3,207 | 3,527 |
Long-term debt |  | 8,922 | 10,606 |
Consolidated Entities, Excluding Consolidated Investments |  |  |  |
Liabilities: |  |  |  |
Long-term debt |  | 8,764 | 10,375 |
Consolidated Investments, Including Variable Interest Entities, Primarily Beneficiary |  |  |  |
Liabilities: |  |  |  |
Long-term debt | [1] | 158 | 231 |
Estimated Fair Value |  |  |  |
Assets: |  |  |  |
Mortgage and other loans receivable |  | 3,752 | 4,355 |
Other investments |  | 583 | 651 |
Short-term investments |  | 4,673 | 3,502 |
Cash |  | 1,302 | 1,540 |
Other assets |  | 15 | 32 |
Liabilities: |  |  |  |
Fortitude Re funds withheld payable |  | 3,335 | 3,675 |
Estimated Fair Value | Consolidated Entities, Excluding Consolidated Investments |  |  |  |
Liabilities: |  |  |  |
Long-term debt |  | 8,221 | 9,890 |
Estimated Fair Value | Consolidated Investments, Including Variable Interest Entities, Primarily Beneficiary |  |  |  |
Liabilities: |  |  |  |
Long-term debt |  | 158 | 231 |
Carrying Value |  |  |  |
Assets: |  |  |  |
Mortgage and other loans receivable |  | 3,868 | 4,441 |
Other investments |  | 583 | 651 |
Short-term investments |  | 4,673 | 3,502 |
Cash |  | 1,302 | 1,540 |
Other assets |  | 15 | 32 |
Liabilities: |  |  |  |
Fortitude Re funds withheld payable |  | 3,335 | 3,675 |
Carrying Value | Consolidated Entities, Excluding Consolidated Investments |  |  |  |
Liabilities: |  |  |  |
Long-term debt |  | 8,764 | 10,375 |
Carrying Value | Consolidated Investments, Including Variable Interest Entities, Primarily Beneficiary |  |  |  |
Liabilities: |  |  |  |
Long-term debt |  | 158 | 231 |
Level 1 | Estimated Fair Value |  |  |  |
Assets: |  |  |  |
Mortgage and other loans receivable |  | 0 | 0 |
Other investments |  | 0 | 0 |
Short-term investments |  | 0 | 0 |
Cash |  | 1,302 | 1,540 |
Other assets |  | 15 | 32 |
Liabilities: |  |  |  |
Fortitude Re funds withheld payable |  | 0 | 0 |
Level 1 | Estimated Fair Value | Consolidated Entities, Excluding Consolidated Investments |  |  |  |
Liabilities: |  |  |  |
Long-term debt |  | 0 | 0 |
Level 1 | Estimated Fair Value | Consolidated Investments, Including Variable Interest Entities, Primarily Beneficiary |  |  |  |
Liabilities: |  |  |  |
Long-term debt |  | 0 | 0 |
Level 2 | Estimated Fair Value |  |  |  |
Assets: |  |  |  |
Mortgage and other loans receivable |  | 339 | 242 |
Other investments |  | 578 | 645 |
Short-term investments |  | 4,673 | 3,502 |
Cash |  | 0 | 0 |
Other assets |  | 0 | 0 |
Liabilities: |  |  |  |
Fortitude Re funds withheld payable |  | 0 | 0 |
Level 2 | Estimated Fair Value | Consolidated Entities, Excluding Consolidated Investments |  |  |  |
Liabilities: |  |  |  |
Long-term debt |  | 7,981 | 9,623 |
Level 2 | Estimated Fair Value | Consolidated Investments, Including Variable Interest Entities, Primarily Beneficiary |  |  |  |
Liabilities: |  |  |  |
Long-term debt |  | 0 | 0 |
Level 3 | Estimated Fair Value |  |  |  |
Assets: |  |  |  |
Mortgage and other loans receivable |  | 3,413 | 4,113 |
Other investments |  | 5 | 6 |
Short-term investments |  | 0 | 0 |
Cash |  | 0 | 0 |
Other assets |  | 0 | 0 |
Liabilities: |  |  |  |
Fortitude Re funds withheld payable |  | 3,335 | 3,675 |
Level 3 | Estimated Fair Value | Consolidated Entities, Excluding Consolidated Investments |  |  |  |
Liabilities: |  |  |  |
Long-term debt |  | 240 | 267 |
Level 3 | Estimated Fair Value | Consolidated Investments, Including Variable Interest Entities, Primarily Beneficiary |  |  |  |
Liabilities: |  |  |  |
Long-term debt |  | $ 158 | $ 231 |
[1] | See Note 10 for details of balances associated with variable interest entities.

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