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Realized Gain (Loss) (Schedule Of Realized Gain (Loss)) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended
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Dec. 31, 2022 | Sep. 30, 2022 | Jun. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2021 | Sep. 30, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Realized gain (loss) related to certain investments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
AFS securities. Gross gains |  |  |  |  |  |  |  |  |  |  |  |  | $ 38 | $ 663 | $ 31
AFS securities. Gross losses |  |  |  |  |  |  |  |  |  |  |  |  | (53) | (37) | (84)
Credit loss benefit (expense) |  |  |  |  |  |  |  |  |  |  |  |  | (15) | (11) | (26)
Realized gain (loss) on equity securities |  |  |  |  |  |  |  |  |  |  |  |  | 15 | 44 | 8
Other gain (loss) on investments |  |  |  |  |  |  |  |  |  |  |  |  | (35) |  | (7)
Associated amortization of DAC, VOBA, DSI and DFEL and changes in other contract holder funds |  |  |  |  |  |  |  |  |  |  |  |  | (18) | (25) | 31
Total realized gain (loss) related to certain financial assets |  |  |  |  |  |  |  |  |  |  |  |  | (160) | 811 | (138)
Realized gain (loss) on the mark-to-market on certain instruments |  |  |  |  |  |  |  |  |  |  |  |  | 37 | 63 | 26
Indexed annuity and IUL contracts net derivatives results: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gross gain (loss) |  |  |  |  |  |  |  |  |  |  |  |  | 74 | 22 | 37
Associated amortization of DAC, VOBA, DSI, and DFEL |  |  |  |  |  |  |  |  |  |  |  |  | (56) | 4 | (25)
Variable annuity net derivatives results: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gross gain (loss) |  |  |  |  |  |  |  |  |  |  |  |  | 526 | (513) | (367)
Associated amortization of DAC, VOBA, DSI, and DFEL |  |  |  |  |  |  |  |  |  |  |  |  | (39) | 90 | (20)
Total realized gain (loss) | $ (407) | $ 212 | $ 515 | $ 25 | $ 514 | $ 79 | $ 1 | $ (180) | $ 540 | $ (179) | $ 752 | $ (100) | 345 | 414 | (513)
Mortgage Loans On Real Estate [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Realized gain (loss) related to certain investments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit loss benefit (expense) |  |  |  |  |  |  |  |  |  |  |  |  | (3) | 112 | (117)
Realized gain (loss) on the mark-to-market on certain instruments |  |  |  |  |  |  |  |  |  |  |  |  | (24) | 3 | (24)
Reinsurance Related Assets [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Realized gain (loss) related to certain investments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit loss benefit (expense) |  |  |  |  |  |  |  |  |  |  |  |  | (126) | 2 |
Equity Securities [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Realized gain (loss) related to certain investments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Realized gain (loss) on equity securities |  |  |  |  |  |  |  |  |  |  |  |  | $ 10 | $ 47 | $ 8

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- Definition Represents the amortization of deferred acquisition costs, value of business acquired, deferred sales inducements and deferred front-end loads and changes in other contract holder funds and funds withheld reinsurance liabilities associated with realized gains and losses related to certain investments. + References No definition available. + Details
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- Definition Amortization income (expense) of deferred acquisition costs, value of business acquired, deferred sales inducements and deferred front-end loads associated with gross gains (losses) on indexed annuity and universal life net derivative results. + References No definition available. + Details
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- Definition Represents the net difference between the change in the fair value of the S&P 500 call options that we hold and the change in the fair value of the embedded derivative liabilities of our indexed annuity and universal life products along with changes in the fair value of embedded derivative liabilities related to index call options we may purchase in the future to hedge contract holder index allocations applicable to future reset periods for our indexed annuity products. + References No definition available. + Details
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- Definition Represents changes in the fair values of certain derivative instruments (including those associated with consolidated variable interest entities), total return swaps (embedded derivatives that are theoretically included in various assets and liabilities assoicated with these arrangements) and trading securities. + References No definition available. + Details
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- Definition Amortization income (expense) of deferred acquisition costs, value of business acquired, deferred sales inducements and deferred front-end loads associated with gross gains (losses) on variable annuity net derivatives results. + References No definition available. + Details
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- Definition Includes the net difference in the change in embedded derivative reserves of guaranteed living benefit products and the change in the fair value of the derivative instruments that hedge guaranteed death benefit and guaranteed living benefit products, including the cost of purchasing the hedging instruments. + References No definition available. + Details
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- Definition Amount of realized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27357-111563 + Details
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- Definition Amount of realized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27357-111563 + Details
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- Definition Amount of realized gain (loss) from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 321 -SubTopic 10 -Section 50 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=126980263&loc=SL75117546-209714 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(3)(d)) -URI https://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 + Details
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- Definition Amount of credit loss expense (reversal of expense) for financing receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(11)) -URI https://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 + Details
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- Definition Amount of expense (reversal of expense) for expected credit loss on reinsurance recoverable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 + Details
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