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Employee Benefit Plans (Information About The Expected Cash Flows For The Qualified and Non-Qualified Pension Plans) (Details)	Dec. 31, 2022 USD ($)
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	125,000,000
Defined Benefit Plan, Expected Future Benefit Payment, Year Two	127,000,000
Defined Benefit Plan, Expected Future Benefit Payment, Year Three	126,000,000
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	601,000,000
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	43,000,000
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]
Defined Benefit Plan, Expected Future Benefit Payment, Next Twelve Months	43,000,000
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	10,000,000
Defined Benefit Plan, Expected Future Benefit Payment, Year Five	10,000,000
Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter	$ 44,000,000

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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (f)
-URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (f)
-URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (f)
-URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (f)
-URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

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Amount of benefit for defined benefit plan expected to be paid in third fiscal year following current fiscal year.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (f)
-URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

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Amount of benefit for defined benefit plan expected to be paid in second fiscal year following current fiscal year.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
-Section 50
-Paragraph 1
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-URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

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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/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (g)
-URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

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-Publisher FASB
-Name Accounting Standards Codification
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-Section 55
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-URI https://asc.fasb.org/extlink&oid=123450688&loc=d3e4587-114921

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