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REINSURANCE Effect of Reinsurance on Premiums and Benefits and Claims (Detail) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Reinsurance Disclosures [Abstract] |  |  |  |
Earned premiums, direct |  | $ 13,562 | $ 14,318 | $ 15,025
Earned premiums, ceded |  | (284) | (404) | (419)
Earned premiums, assumed |  | 162 | 209 | 295
Net earned premiums | [1] | 13,440 | 14,123 | 14,901
Benefits and claims, excluding reserve remeasurement, direct |  | 8,098 | 8,599 | 9,171
Benefits and claims, excluding reserve remeasurement, ceded |  | (153) | (147) | (322)
Benefits and claims, excluding reserve remeasurement, assumed |  | 63 | 142 | 253
Benefits and claims, excluding reserve remeasurement |  | 8,008 | 8,594 | 9,102
Reserve remeasurement (gains) losses, direct |  | (558) | (394) | (196)
Reserve remeasurement (gains) losses, ceded |  | 0 | 11 | (19)
Reserve remeasurement (gains) losses |  | (558) | (383) | (215)
Total benefits and claims, net |  | $ 7,450 | $ 8,211 | $ 8,887
[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 earned premiums assumed from other entities. + References Reference 1: 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 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 605 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479032/944-605-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 605 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479032/944-605-50-1 + Details
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- Definition Amount of remeasurement gain (loss) on liability for future policy benefit from application of revised benefit ratio as of contract issue. Includes, but is not limited to, remeasurement gain (loss) for annuitization insurance benefit, death and other insurance benefits, and traditional and limited-payment contracts. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480112/944-40-45-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480112/944-40-45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480112/944-40-45-4 + Details
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