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Goodwill and Specifically Identifiable Intangible Assets (Schedule Of Intangible Assets By Reportable Segment) (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
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Finite And Indefinife Lived Intangible Assets Net [Abstract] |  |
Gross carrying amount | $ 712 | $ 715
Accumulated amortization | 192 | 155
Retirement Plan Services Segment [Member] | Mutual Fund Contract Rights [Member] |  |
Finite And Indefinife Lived Intangible Assets Net [Abstract] |  |
Gross carrying amount | 5 | 5
Life Insurance Segment [Member] | Sales Force [Member] |  |
Finite And Indefinife Lived Intangible Assets Net [Abstract] |  |
Gross carrying amount | 100 | 100
Accumulated amortization | 67 | 63
Group Protection Segment [Member] | Insurance Licenses [Member] |  |
Finite And Indefinife Lived Intangible Assets Net [Abstract] |  |
Gross carrying amount |  | 3
Group Protection Segment [Member] | VOCRA [Member] |  |
Finite And Indefinife Lived Intangible Assets Net [Abstract] |  |
Gross carrying amount | 576 | 576
Accumulated amortization | 115 | 85
Group Protection Segment [Member] | VODA [Member] |  |
Finite And Indefinife Lived Intangible Assets Net [Abstract] |  |
Gross carrying amount | 31 | 31
Accumulated amortization | $ 10 | $ 7

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- Definition The aggregate gross carrying amounts (including any previously recognized impairment charges) of major finite-lived intangible assets, and the carrying amounts (original costs for current and prior period additions adjusted for impairment, if any) as of the balance sheet date of intangible assets, excluding goodwill, having a projected indefinite period of benefit. + References No definition available. + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(16)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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