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Pension And Postretirement Benefits (Schedule Of Pension Plan Target Allocations And Weighted-Average Asset Allocations By Asset Category) (Details) | Dec. 31, 2021 | Dec. 31, 2020
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Equity securities |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Actual Allocation | 44.00% | 44.00%
Equity securities | Minimum |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target Allocation | 15.00% | 15.00%
Equity securities | Maximum |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target Allocation | 75.00% | 75.00%
Fixed income securities |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Actual Allocation | 31.00% | 26.00%
Fixed income securities | Minimum |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target Allocation | 15.00% | 15.00%
Fixed income securities | Maximum |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target Allocation | 75.00% | 75.00%
Alternative assets/Other |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Actual Allocation | 22.00% | 27.00%
Alternative assets/Other | Minimum |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target Allocation | 0.00% | 0.00%
Alternative assets/Other | Maximum |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target Allocation | 45.00% | 45.00%
Cash and money market |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Actual Allocation | 3.00% | 3.00%
Cash and money market | Minimum |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target Allocation | 0.00% | 0.00%
Cash and money market | Maximum |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Target Allocation | 10.00% | 10.00%

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- Definition Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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