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Pension and Other Postretirement Benefits (Summary of Strategic Ranges for Assets Allocation Plan) (Details) - Pension Plan	Dec. 31, 2020
Minimum | U.S. Plans | Equities
Defined Benefit Plan Disclosure [Line Items]
Target plan asset allocations	39.00%
Minimum | U.S. Plans | International equities
Defined Benefit Plan Disclosure [Line Items]
Target plan asset allocations	12.00%
Minimum | U.S. Plans | Fixed income
Defined Benefit Plan Disclosure [Line Items]
Target plan asset allocations	16.00%
Minimum | U.S. Plans | Balanced funds
Defined Benefit Plan Disclosure [Line Items]
Target plan asset allocations	7.00%
Minimum | U.S. Plans | Real estate
Defined Benefit Plan Disclosure [Line Items]
Target plan asset allocations	7.00%
Minimum | Non-U.S. Plans | Equities
Defined Benefit Plan Disclosure [Line Items]
Target plan asset allocations	0.00%
Minimum | Non-U.S. Plans | Real estate
Defined Benefit Plan Disclosure [Line Items]
Target plan asset allocations	0.00%
Minimum | Non-U.S. Plans | Investment grade credit
Defined Benefit Plan Disclosure [Line Items]
Target plan asset allocations	30.00%
Minimum | Non-U.S. Plans | Hedge funds
Defined Benefit Plan Disclosure [Line Items]
Target plan asset allocations	0.00%
Minimum | Non-U.S. Plans | Alternative credit
Defined Benefit Plan Disclosure [Line Items]
Target plan asset allocations	0.00%
Minimum | Non-U.S. Plans | Other
Defined Benefit Plan Disclosure [Line Items]
Target plan asset allocations	0.00%
Maximum | U.S. Plans | Equities
Defined Benefit Plan Disclosure [Line Items]
Target plan asset allocations	49.00%
Maximum | U.S. Plans | International equities
Defined Benefit Plan Disclosure [Line Items]
Target plan asset allocations	18.00%
Maximum | U.S. Plans | Fixed income
Defined Benefit Plan Disclosure [Line Items]
Target plan asset allocations	26.00%
Maximum | U.S. Plans | Balanced funds
Defined Benefit Plan Disclosure [Line Items]
Target plan asset allocations	13.00%
Maximum | U.S. Plans | Real estate
Defined Benefit Plan Disclosure [Line Items]
Target plan asset allocations	13.00%
Maximum | Non-U.S. Plans | Equities
Defined Benefit Plan Disclosure [Line Items]
Target plan asset allocations	30.00%
Maximum | Non-U.S. Plans | Real estate
Defined Benefit Plan Disclosure [Line Items]
Target plan asset allocations	5.00%
Maximum | Non-U.S. Plans | Investment grade credit
Defined Benefit Plan Disclosure [Line Items]
Target plan asset allocations	100.00%
Maximum | Non-U.S. Plans | Hedge funds
Defined Benefit Plan Disclosure [Line Items]
Target plan asset allocations	10.00%
Maximum | Non-U.S. Plans | Alternative credit
Defined Benefit Plan Disclosure [Line Items]
Target plan asset allocations	15.00%
Maximum | Non-U.S. Plans | Other
Defined Benefit Plan Disclosure [Line Items]
Target plan asset allocations	20.00%

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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

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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=118257860&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=118255775&loc=d3e1928-114920

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