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POLICY LIABILITIES - Additional Information (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Dec. 31, 2022
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |  |
Effect of changes in discount rate assumptions during period, net of income taxes | $ (2,794) | $ 4,224 | $ 13,700
Reserve remeasurement (gains) losses | (53) | (34) | $ (215)
Accumulated other comprehensive income (loss) |  |  |
Liability for Future Policy Benefit, by Product Segment [Line Items] |  |  |
Effect of changes in discount rate assumptions during period, net of income taxes | $ (2,794) | $ 4,224 |

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 45 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=124509262&loc=SL117780257-158436 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=124509262&loc=d3e14722-158436 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124509262&loc=d3e14714-158436 + Details
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- Definition Amount, after tax and reclassification adjustment, of unrealized gain (loss) from (increase) decrease in liability for future policy benefit from change in discount rate, attributable to parent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI https://asc.fasb.org/extlink&oid=126929396&loc=SL4569616-111683 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (c)(3) -URI https://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (m) -URI https://asc.fasb.org/extlink&oid=126968391&loc=SL7669646-108580 + Details
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