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Savings Plans, Pension Plans and Other Postretirement Employee Benefits (Weighted Average Assumptions Used to Determine the Benefit Obligation for our Pension and OPEB Plans) (Details)	Dec. 31, 2022	Dec. 31, 2021
Pension Plans [Member]
Discount rate	5.60%	3.00%
Pension Plans [Member] | Minimum [Member]
Rate of compensation increase	3.00%	3.00%
Pension Plans [Member] | Maximum [Member]
Rate of compensation increase	5.00%	4.00%
OPEB [Member]
Discount rate	5.55%	2.95%
OPEB [Member] | Minimum [Member]
Rate of compensation increase	0.00%	0.00%
OPEB [Member] | Maximum [Member]
Rate of compensation increase	0.00%	0.00%

X

- Definition

Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan.

+ 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 (k)(1)
-URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

+ Details

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X

- Definition

Weighted average rate increase of compensation, used to determine benefit obligation of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan.

+ 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 (k)(2)
-URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

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- Details

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