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v3.23.3

Reserve for Future Policy Benefits and Contractholder Funds - Schedule of Account Values by Comparison of Current Crediting Rate to Guaranteed Minimum Crediting Rate (Details) $ in Millions | Sep. 30, 2023 USD ($) | Sep. 30, 2022 USD ($)
--- | --- | ---
Policyholder Account Balance [Line Items] |  |
Account values with crediting rates | $ 884 | $ 893
Less than 3.00% |  |
Policyholder Account Balance [Line Items] |  |
Account values with crediting rates | $ 0 | $ 0
Less than 3.00% | Maximum |  |
Policyholder Account Balance [Line Items] |  |
Range of guaranteed minimum crediting rates | 3.00% | 3.00%
3.00% - 3.49% |  |
Policyholder Account Balance [Line Items] |  |
Account values with crediting rates | $ 27 | $ 13
3.00% - 3.49% | Minimum |  |
Policyholder Account Balance [Line Items] |  |
Range of guaranteed minimum crediting rates | 3.00% | 3.00%
3.00% - 3.49% | Maximum |  |
Policyholder Account Balance [Line Items] |  |
Range of guaranteed minimum crediting rates | 3.49% | 3.49%
3.50% - 3.99% |  |
Policyholder Account Balance [Line Items] |  |
Account values with crediting rates | $ 11 | $ 12
3.50% - 3.99% | Minimum |  |
Policyholder Account Balance [Line Items] |  |
Range of guaranteed minimum crediting rates | 3.50% | 3.50%
3.50% - 3.99% | Maximum |  |
Policyholder Account Balance [Line Items] |  |
Range of guaranteed minimum crediting rates | 3.99% | 3.99%
4.00% - 4.49% |  |
Policyholder Account Balance [Line Items] |  |
Account values with crediting rates | $ 437 | $ 438
4.00% - 4.49% | Minimum |  |
Policyholder Account Balance [Line Items] |  |
Range of guaranteed minimum crediting rates | 4.00% | 4.00%
4.00% - 4.49% | Maximum |  |
Policyholder Account Balance [Line Items] |  |
Range of guaranteed minimum crediting rates | 4.49% | 4.49%
4.50% - 4.99% |  |
Policyholder Account Balance [Line Items] |  |
Account values with crediting rates | $ 263 | $ 269
4.50% - 4.99% | Minimum |  |
Policyholder Account Balance [Line Items] |  |
Range of guaranteed minimum crediting rates | 4.50% | 4.50%
4.50% - 4.99% | Maximum |  |
Policyholder Account Balance [Line Items] |  |
Range of guaranteed minimum crediting rates | 4.99% | 4.99%
5.00% or greater |  |
Policyholder Account Balance [Line Items] |  |
Account values with crediting rates | $ 68 | $ 70
5.00% or greater | Minimum |  |
Policyholder Account Balance [Line Items] |  |
Range of guaranteed minimum crediting rates | 5.00% | 5.00%
Non-account balances |  |
Policyholder Account Balance [Line Items] |  |
Account values with crediting rates | $ 78 | $ 91
At guaranteed minimum |  |
Policyholder Account Balance [Line Items] |  |
Account values with crediting rates | 779 | 789
At guaranteed minimum | Less than 3.00% |  |
Policyholder Account Balance [Line Items] |  |
Account values with crediting rates | 0 | 0
At guaranteed minimum | 3.00% - 3.49% |  |
Policyholder Account Balance [Line Items] |  |
Account values with crediting rates | 0 | 0
At guaranteed minimum | 3.50% - 3.99% |  |
Policyholder Account Balance [Line Items] |  |
Account values with crediting rates | 11 | 12
At guaranteed minimum | 4.00% - 4.49% |  |
Policyholder Account Balance [Line Items] |  |
Account values with crediting rates | 437 | 438
At guaranteed minimum | 4.50% - 4.99% |  |
Policyholder Account Balance [Line Items] |  |
Account values with crediting rates | 263 | 269
At guaranteed minimum | 5.00% or greater |  |
Policyholder Account Balance [Line Items] |  |
Account values with crediting rates | 68 | 70
At guaranteed minimum | Non-account balances |  |
Policyholder Account Balance [Line Items] |  |
Account values with crediting rates |  |
1-50 basis points above |  |
Policyholder Account Balance [Line Items] |  |
Account values with crediting rates | $ 27 | 13
1-50 basis points above | Minimum |  |
Policyholder Account Balance [Line Items] |  |
Policyholder account balance above guaranteed minimum crediting rate | 0.0001 |
1-50 basis points above | Maximum |  |
Policyholder Account Balance [Line Items] |  |
Policyholder account balance above guaranteed minimum crediting rate | 0.0050 |
1-50 basis points above | Less than 3.00% |  |
Policyholder Account Balance [Line Items] |  |
Account values with crediting rates | $ 0 | 0
1-50 basis points above | 3.00% - 3.49% |  |
Policyholder Account Balance [Line Items] |  |
Account values with crediting rates | 27 | 13
1-50 basis points above | 3.50% - 3.99% |  |
Policyholder Account Balance [Line Items] |  |
Account values with crediting rates | 0 | 0
1-50 basis points above | 4.00% - 4.49% |  |
Policyholder Account Balance [Line Items] |  |
Account values with crediting rates | 0 | 0
1-50 basis points above | 4.50% - 4.99% |  |
Policyholder Account Balance [Line Items] |  |
Account values with crediting rates | 0 | 0
1-50 basis points above | 5.00% or greater |  |
Policyholder Account Balance [Line Items] |  |
Account values with crediting rates | 0 | 0
1-50 basis points above | Non-account balances |  |
Policyholder Account Balance [Line Items] |  |
Account values with crediting rates |  |

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- Definition Value above guaranteed minimum crediting rate on policyholder account balance. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 29F -Publisher FASB -URI https://asc.fasb.org//1943274/2147480046/944-40-55-29F Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 7A -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480081/944-40-50-7A + Details
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- Definition Amount due to policyholder. Includes, but is not limited to, unpaid policy dividend, retrospective refund, and undistributed earnings on participating business. Excludes future policy benefit and claim expense. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 29F -Publisher FASB -URI https://asc.fasb.org//1943274/2147480046/944-40-55-29F Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 7A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480081/944-40-50-7A Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 7A -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480081/944-40-50-7A Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(14)(a)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 7A -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480081/944-40-50-7A + Details
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