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Retirement and Deferred Compensation Plans (Tables) | 12 Months Ended
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Dec. 31, 2022
Retirement and Deferred Compensation Plans [Abstract] |
Benefit Plans' Assets and Obligations |
| As of or For the Years Ended December 31, |  |
| 2022 |  | 2021 |  | 2022 |  | 2021 |  |
|  |  |  |  |  |  | Other Postretirement |  |
| Pension Plans |  | Benefit Plans |  |
Fair value of plan assets | $ | 1,126 |  | $ | 1,667 |  | $ | 71 |  | $ | 67 |  |
Projected benefit obligation |  | 1,126 |  |  | 1,595 |  |  | 44 |  |  | 79 |  |
Funded status | $ | - |  | $ | 72 |  | $ | 27 |  | $ | (12 | ) |
Amounts Recognized on the |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated Balance Sheets |  |  |  |  |  |  |  |  |  |  |  |  |
Other assets | $ | 91 |  | $ | 182 |  | $ | 27 |  | $ | - |  |
Other liabilities |  | (91 | ) |  | (110 | ) |  | - |  |  | (12 | ) |
Net amount recognized | $ | - |  | $ | 72 |  | $ | 27 |  | $ | (12 | ) |
Weighted-Average Assumptions |  |  |  |  |  |  |  |  |  |  |  |  |
Benefit obligations: |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average discount rate |  | 5.49% |  |  | 2.76% |  |  | 5.70% |  |  | 3.10% |  |
Net periodic benefit cost: |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average discount rate |  | 2.81% |  |  | 2.61% |  |  | 3.73% |  |  | 2.96% |  |
Expected return on plan assets |  | 5.67% |  |  | 6.13% |  |  | 6.50% |  |  | 6.50% |  |
Fair Value Of Benefit Plan Assets |
| As of December 31, |  |
| 2022 |  | 2021 |  |
Fixed maturity securities: |  |  |  |  |  |  |
Corporate bonds | $ | 292 |  | $ | 452 |  |
U.S. government bonds |  | 196 |  |  | 228 |  |
Foreign government bonds |  | 128 |  |  | 191 |  |
State and municipal bonds |  | 22 |  |  | 28 |  |
Limited partnerships and common and |  |  |  |  |  |  |
preferred stock |  | 353 |  |  | 527 |  |
Bulk annuity insurance policy |  | 89 |  |  | 150 |  |
Cash and invested cash |  | 46 |  |  | 91 |  |
Other investments |  | 71 |  |  | 67 |  |
Total | $ | 1,197 |  | $ | 1,734 |  |
Deferred Compensation Plans Liabilities And Investments |
| As of December 31, |  |  |  |
| 2022 |  | 2021 |  |  |  |
Total liabilities (1) | $ | 686 |  | $ | 841 |  |  |  |
Investments dedicated to fund liabilities (2) |  | 206 |  |  | 254 |  |  |  |
(1)Reported in other liabilities on the Consolidated Balance Sheets. (2)Reported in other assets on the Consolidated Balance Sheets.

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- Definition Disclosure of the total liabilities that represent currently earned compensation under compensation arrangements that is not actually paid until a later date and investments held to fund the liabilities associated with non-qualified, unfunded, deferred compensation plans for various groups: employees; agents; non-employee directors; and certain agents. + References No definition available. + Details
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- Definition For pension plans and/or other employee benefit plans, disclosure of the reconciliation of beginning and ending balances of the fair value of plan assets, change in benefit obligation, amounts that are recognized in the balance sheet, net gain or loss and net prior service cost or credit recognized in other comprehensive income (loss), and assumptions used to determine the benefit obligation and net benefit cost, including assumed discount rates and rate of increase in compensation. + References No definition available. + Details
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- References No definition available. + Details
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- Definition Tabular disclosure of defined benefit plan asset investment. Includes, but is not limited to, fair value of category of plan asset and its level within fair value hierarchy. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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