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Nature of Operations, Basis of Presentation and Summary of Significant Accounting Policies (Narrative) (Details) $ in Millions |  | 3 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Oct. 01, 2021 USD ($) | Dec. 31, 2022 USD ($) item | Sep. 30, 2022 USD ($) | Jun. 30, 2022 USD ($) | Mar. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Sep. 30, 2021 USD ($) | Jun. 30, 2021 USD ($) | Mar. 31, 2021 USD ($) | Jun. 30, 2022 USD ($) | Jun. 30, 2021 USD ($) | Sep. 30, 2022 USD ($) | Sep. 30, 2021 USD ($) | Dec. 31, 2022 USD ($) item | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated Contract Life UL Policies (In Years) |  |  |  |  |  |  |  |  |  |  |  |  |  | 40 years |  |
Estimated Contract Life VUL Policies (In Years) |  |  |  |  |  |  |  |  |  |  |  |  |  | 40 years |  |
Front End Load Annuity Products Assumed Life (In Years) |  |  |  |  |  |  |  |  |  |  |  |  |  | 25 years |  |
Number Of Scenarios Used Per Policy To Value A Block Of Guarantees |  | 100 |  |  |  |  |  |  |  |  |  |  |  | 100 |  |
Total Scenarios To Value GLB liability | item |  | 44,000,000 |  |  |  |  |  |  |  |  |  |  |  | 44,000,000 |  |
Dividend Expenses |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 49 | $ 48 | $ 53
Other revenues |  | $ 191 | $ 189 | $ 160 | $ 182 | $ 206 | $ 181 | $ 192 | $ 198 |  |  |  |  | 723 | 777 | 658
Insurance fees |  | 1,453 | 1,527 | 1,506 | 1,568 | 1,635 | 2,000 | 1,673 | 1,597 |  |  |  |  | 6,054 | 6,905 | 6,371
Reinsurance amount of in-force executive benefit and universal life reserves |  | 9,400 |  |  |  |  |  |  |  |  |  |  |  | 9,400 |  |
Coinsurance investments book value | $ 4,600 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Coinsurance Investments Fair Value | 5,200 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Realized gain on coinsurance investments | 635 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred gain on coinsurance investments | $ 797 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization of deferred gain on business sold through reinsurance |  | 10 | 10 | 11 | 11 | 11 | 9 | 9 | 9 | $ 22 | $ 17 | $ 31 | $ 27 | 42 | 38 | 41
Realized gain (loss) |  | (407) | 212 | 515 | 25 | 514 | 79 | 1 | (180) | 540 | (179) | 752 | (100) | 345 | 414 | (513)
Commissions and other expenses |  | 1,382 | 1,355 | 1,123 | 1,235 | 1,330 | 1,908 | 1,325 | 1,231 |  |  |  |  | 5,096 | 5,794 | 5,064
Federal income tax expense (benefit) |  | (37) | (565) | 29 | (15) | 146 | 50 | 131 | 35 |  |  |  |  | (589) | 362 | (76)
Other liabilities |  | 10,885 | 10,970 | 11,425 | 13,298 | 15,297 | 15,121 | 15,479 | 14,862 | 11,425 | 15,479 | 10,970 | 15,121 | 10,885 | 15,297 |
Retained earnings |  | 6,707 | 6,762 | 9,445 | 9,346 | 9,578 | 9,360 | 9,242 | 8,769 | 9,445 | 9,242 | 6,762 | 9,360 | 6,707 | 9,578 |
Income (loss) before taxes |  | (16) | (3,148) | 257 | 77 | 854 | 366 | 776 | 254 |  |  |  |  | (2,830) | 2,249 | $ 423
Other assets |  | 20,708 | 19,991 | 18,137 | 18,467 | 18,519 | 18,076 | 18,125 | 18,264 | 18,137 | 18,125 | 19,991 | 18,076 | 20,708 | 18,519 |
Derivative investments |  | 3,594 | 3,455 | 3,167 | 4,573 | 5,697 | 5,075 | 4,730 | 3,482 | 3,167 | 4,730 | 3,455 | 5,075 | 3,594 | 5,697 |
Other Adjustments [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other liabilities |  | (212) |  |  |  | (500) |  |  |  |  |  |  |  | (212) | (500) |
Income (loss) before taxes |  |  |  |  |  |  |  |  |  |  |  |  |  | 12 | (12) |
Other assets |  | (70) |  |  |  | (760) |  |  |  |  |  |  |  | (70) | (760) |
Derivative investments |  | $ (142) |  |  |  | $ 260 |  |  |  |  |  |  |  | $ (142) | $ 260 |
Sales Force Intangibles [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Useful Life of Intangible Assets (In Years) |  |  |  |  |  |  |  |  |  |  |  |  |  | 25 years |  |
VOCRA [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Useful Life of Intangible Assets (In Years) |  |  |  |  |  |  |  |  |  |  |  |  |  | 20 years |  |
VODA [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Useful Life of Intangible Assets (In Years) |  |  |  |  |  |  |  |  |  |  |  |  |  | 13 years |  |
Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated Contract Life Fixed and Variable Deferred Annuities (In Years) |  |  |  |  |  |  |  |  |  |  |  |  |  | 30 years |  |
Traditional Contract Acquisition Cost Amortization Period (In Years) |  |  |  |  |  |  |  |  |  |  |  |  |  | 30 years |  |
Participating Policies as a Percentage of the Face Amount of the Insurance In Force |  | 1.00% |  |  |  | 1.00% |  |  |  |  |  |  |  | 1.00% | 1.00% | 1.00%
Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated Contract Life Fixed and Variable Deferred Annuities (In Years) |  |  |  |  |  |  |  |  |  |  |  |  |  | 15 years |  |
Life Insurance Segment [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investment Yield Assumptions for Traditional Direct Individual Life Reserves |  | 7.75% |  |  |  |  |  |  |  |  |  |  |  | 7.75% |  |
Life Insurance Segment [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investment Yield Assumptions for Traditional Direct Individual Life Reserves |  | 2.25% |  |  |  |  |  |  |  |  |  |  |  | 2.25% |  |
Annuities Segment [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fee income |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 743 | $ 848 | $ 732
Other revenues |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 584 | 628 | 516
Annuities Segment [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investment Yield Assumptions for Immediate and Deferred Paid-Up Annuities |  | 12.15% |  |  |  |  |  |  |  |  |  |  |  | 12.15% |  |
Annuities Segment [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investment Yield Assumptions for Immediate and Deferred Paid-Up Annuities |  | 0.50% |  |  |  |  |  |  |  |  |  |  |  | 0.50% |  |
Group Protection Segment [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other revenues |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 203 | 180 | $ 177
Commercial [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of days past due to qualify as delinquent |  |  |  |  |  |  |  |  |  |  |  |  |  | 60 days |  |
Number of missed payments to qualify as delinqent | item |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |
Period In Which Loans No Longer Accrue Interest In Days |  |  |  |  |  |  |  |  |  |  |  |  |  | 90 days |  |
Number of missed payments to qualify loans as non-accrual | item |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 |  |
Loan-to-value ratio indicating principal is greater than collateral |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.00% |  |
Commercial [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt-service coverage ratio indicating property income not covering debt payments |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.0 |  |
Residential [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Period In Which Loans No Longer Accrue Interest In Days |  |  |  |  |  |  |  |  |  |  |  |  |  | 90 days |  |
Resolution Life [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
No. of Years in Which Deferred Gain From Reinsurance Transaction is Recognized as Income |  |  |  |  |  |  |  |  |  |  |  |  |  | 30 years |  |
Swiss Re [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
No. of Years in Which Deferred Gain From Reinsurance Transaction is Recognized as Income |  |  |  |  |  |  |  |  |  |  |  |  |  | 15 years |  |
Athene Holding Ltd. [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
No. of Years in Which Deferred Gain From Reinsurance Transaction is Recognized as Income |  |  |  |  |  |  |  |  |  |  |  |  |  | 20 years |  |
Other assets |  | $ 2 |  |  |  | $ 5 |  |  |  |  |  |  |  | $ 2 | 5 |
Derivative investments |  | 39 |  |  |  | 93 |  |  |  |  |  |  |  | 39 | 93 |
Restatement Impacts [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other revenues |  |  | 30 | (30) |  |  |  |  |  |  |  |  |  | 1 |  |
Insurance fees |  |  |  |  |  | 6 | 4 | 3 | 5 |  |  |  |  |  | 18 |
Amortization of deferred gain on business sold through reinsurance |  | (8) | (8) | (8) | (8) | (8) |  |  |  | (16) |  | (25) |  | (32) | (8) |
Realized gain (loss) |  | 28 | (8) | (7) | (4) | 628 | (6) | 3 | 1 | (11) | 3 | (19) | (3) | 9 | 626 |
Commissions and other expenses |  | 8 | (3) | (4) | (1) | 2 | 2 | (1) |  |  |  |  |  | 1 | 3 |
Federal income tax expense (benefit) |  | 3 | (2) | (2) | (3) | 130 |  | 1 | (2) |  |  |  |  | (5) | 129 |
Other liabilities |  | (797) | (987) | (910) | (878) | (846) | (154) | (268) | (182) | (910) | (268) | (987) | (154) | (797) | (846) |
Retained earnings |  | 468 | 451 | 460 | 470 | 482 | (5) | (3) | (6) | 460 | (3) | 451 | (5) | 468 | 482 |
Income (loss) before taxes |  | 19 | (11) | (12) | (15) | 618 | (2) | 4 | (8) |  |  |  |  | (19) | 611 |
Other assets |  | (187) | (284) | (244) | (120) | (614) | (401) | (450) | (215) | (244) | (450) | (284) | (401) | (187) | (614) |
Derivative investments |  | (142) | $ (226) | $ (203) | $ (267) | 260 | $ 247 | $ 182 | $ 29 | $ (203) | $ 182 | $ (226) | $ 247 | (142) | 260 |
Restatement Impacts [Member] | Misstatement Associated with the Coinsurance Reinsurance Transaction [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization of deferred gain on business sold through reinsurance |  |  |  |  |  |  |  |  |  |  |  |  |  | (32) | (8) |
Realized gain (loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 635 |
Commissions and other expenses |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4 |
Federal income tax expense (benefit) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 131 |
Other liabilities |  |  |  |  |  | (492) |  |  |  |  |  |  |  |  | (492) |
Retained earnings |  | $ 467 |  |  |  | $ 492 |  |  |  |  |  |  |  | $ 467 | $ 492 |

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- Definition The amortization of net deferred gain on indemnity reinsurance transactions. + References No definition available. + Details
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- Definition Coinsurance investments book value. + References No definition available. + Details
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- Definition Coinsurance investments fair value. + References No definition available. + Details
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- Definition Debt-service coverage ratio indicating property income not covering debt payments + References No definition available. + Details
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- Definition Deferred gain on coinsurance investments. + References No definition available. + Details
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- Definition The number of years in which deferred gain from a series of indemnity reinsurance transactions is recognized into income. These transactions occurred in December 2001 when Swiss Re Life & Health America, Inc. acquired reinsurance operations of Lincoln Financial Group. + References No definition available. + Details
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- Definition The estimated contract life for fixed and variable deferred annuities + References No definition available. + Details
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- Definition The estimated contract life for universal policies + References No definition available. + Details
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- Definition The estimated contract life for variable universal life policies + References No definition available. + Details
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- Definition The assumed life of front-end load annuity products + References No definition available. + Details
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- Definition Insurance fees for investment and interest-sensitive life insurance contracts consist of asset-based fees, cost of insurance charges, percent of premium charges, contract administration charges and surrender charges that are assessed against contract holder account balances. + References No definition available. + Details
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- Definition The number of days a loan may be past due before it is reported as delinquent + References No definition available. + Details
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- Definition The number of risk-neutral Monte Carlo simulations used per policy when valuing a block of guarantees + References No definition available. + Details
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- Definition The number of days overdue a loan may be before interest is no longer accrued + References No definition available. + Details
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- Definition Reinsurance amount of in-force executive benefit and universal life reserves. + References No definition available. + Details
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- Definition The amortization period range for acquisition costs associated with all traditional contracts, including traditional life insurance contracts + References No definition available. + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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