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SCHEDULE IV REINSURANCE Schedule IV - Reinsurance (Detail) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items] |  |  |  |
Gross Amount, Life Insurance in Force |  | $ 187,553 | $ 163,601 | $ 132,880
Ceded to Other Companies, Life Insurance in Force |  | 13,481 | 15,592 | 11,755
Assumed from Other Companies, Life Insurance in Force |  | 21,192 | 28,716 | 34,599
Net Amount, Life Insurance in Force |  | $ 195,264 | $ 176,725 | $ 155,724
Percentage of Amount Assumed to Net, Life Insurance in Force |  | 11.00% | 16.00% | 22.00%
Gross amount |  | $ 13,562 | $ 14,318 | $ 15,025
Ceded to Other Companies |  | 284 | 404 | 419
Assumed from Other companies |  | 162 | 209 | 295
Net Amount | [1] | $ 13,440 | $ 14,123 | $ 14,901
Percentage of Amount Assumed to Net |  | 1.00% | 1.00% | 2.00%
Health insurance |  |  |  |
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items] |  |  |  |
Gross amount |  | $ 11,784 | $ 12,335 | $ 12,900
Ceded to Other Companies |  | 233 | 352 | 384
Assumed from Other companies |  | 135 | 167 | 235
Net Amount |  | $ 11,686 | $ 12,150 | $ 12,751
Percentage of Amount Assumed to Net |  | 1.00% | 1.00% | 2.00%
Life insurance |  |  |  |
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items] |  |  |  |
Gross amount |  | $ 1,778 | $ 1,983 | $ 2,125
Ceded to Other Companies |  | 51 | 52 | 35
Assumed from Other companies |  | 27 | 42 | 60
Net Amount |  | $ 1,754 | $ 1,973 | $ 2,150
Percentage of Amount Assumed to Net |  | 2.00% | 2.00% | 3.00%
[1] | Includes a gain (loss) of $(81), $20 and $(42) in 2024, 2023 and 2022, respectively, related to remeasurement of the deferred profit liability for limited-payment contracts.

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- Definition Amount of life insurance issued and outstanding assumed from other entity, as disclosed in supplementary reinsurance information. Includes, but is not limited to, dividend and adjustment to face value. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 17 -Paragraph Column D -Publisher SEC Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 235 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-17(Column D)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477965/944-235-S99-2 + Details
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- Definition Amount, before effect of reinsurance, of life insurance issued and outstanding, as disclosed in supplementary reinsurance information. Includes, but is not limited to, dividend and adjustment to face value. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 17 -Paragraph Column B -Publisher SEC Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 235 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-17(Column B)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477965/944-235-S99-2 + Details
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