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Employee Benefit Plans (Actual Asset Allocation For Global Pension Plan Assets) (Details) - Pension Benefits [Member] | Dec. 31, 2020 | Dec. 31, 2019
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Defined Benefit Plan Disclosure [Line Items] |  |
Asset allocation | 100.00% | 100.00%
Equity Securities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Asset allocation | 54.00% | 53.00%
Debt Securities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Asset allocation | 35.00% | 36.00%
Other Pension Plan Assets [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Asset allocation | 11.00% | 11.00%
UNITED STATES |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Percentage of U.S. pension plan to global pension plan assets (as a percent) | 75.00% |
UNITED STATES | Equity Securities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Asset allocation | 60.00% |
UNITED STATES | Debt Securities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Asset allocation | 40.00% |
Foreign Plan [Member] | Equity Securities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Asset allocation | 36.00% |
Foreign Plan [Member] | Debt Securities [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Asset allocation | 20.00% |
Foreign Plan [Member] | Other Pension Plan Assets [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Asset allocation | 44.00% |

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Percentage of actual 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/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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