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Employee Benefit Plans (Information About The Expected Cash Flows For The Qualified and Non-Qualified Pension Plans) (Details) | Dec. 31, 2023 USD ($)
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Qualified Plan [Member] | Pension Plan [Member] |
Defined Benefit Plan, Expected Future Employer Contributions [Abstract] |
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year | $ 0
Defined Benefit Plan, Expected Future Benefit Payment [Abstract] |
Defined Benefit Plan, Expected Future Benefit Payment, Next Twelve Months | 122,000,000
Defined Benefit Plan, Expected Future Benefit Payment, Year Two | 124,000,000
Defined Benefit Plan, Expected Future Benefit Payment, Year Three | 125,000,000
Defined Benefit Plan, Expected Future Benefit Payment, Year Four | 127,000,000
Defined Benefit Plan, Expected Future Benefit Payment, Year Five | 126,000,000
Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter | 602,000,000
Nonqualified Plan [Member] | Supplemental Employee Retirement Plan [Member] |
Defined Benefit Plan, Expected Future Employer Contributions [Abstract] |
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year | 9,000,000
Defined Benefit Plan, Expected Future Benefit Payment [Abstract] |
Defined Benefit Plan, Expected Future Benefit Payment, Next Twelve Months | 9,000,000
Defined Benefit Plan, Expected Future Benefit Payment, Year Two | 9,000,000
Defined Benefit Plan, Expected Future Benefit Payment, Year Three | 10,000,000
Defined Benefit Plan, Expected Future Benefit Payment, Year Four | 9,000,000
Defined Benefit Plan, Expected Future Benefit Payment, Year Five | 9,000,000
Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter | $ 35,000,000

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- Definition Amount of benefit for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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- Definition Amount of benefit for defined benefit plan expected to be paid in next fiscal year following current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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- Definition Amount of benefit for defined benefit plan expected to be paid in fifth fiscal year following current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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- Definition Amount of benefit for defined benefit plan expected to be paid in fourth fiscal year following current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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- Definition Amount of benefit for defined benefit plan expected to be paid in third fiscal year following current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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- Definition Amount of benefit for defined benefit plan expected to be paid in second fiscal year following current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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- Definition Amount of contribution expected to be received by defined benefit plan from employer in next fiscal year following current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480482/715-20-55-18 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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