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Pensions And Other Postretirement Benefits - Target Allocation tables (Details) - Pension Plan	Dec. 31, 2019	Dec. 31, 2018
U.S.
Defined Benefit Plan Disclosure [Line Items]
Target allocations	100.00%	100.00%
U.S. | Equity [Member]
Defined Benefit Plan Disclosure [Line Items]
Target allocations	12.00%	12.00%
U.S. | Corporate and other debt securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Target allocations	64.00%	64.00%
U.S. | Other [Member]
Defined Benefit Plan Disclosure [Line Items]
Target allocations	24.00%	24.00%
Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Target allocations	100.00%	100.00%
Non-U.S. | Equity [Member]
Defined Benefit Plan Disclosure [Line Items]
Target allocations	14.00%	14.00%
Non-U.S. | Corporate and other debt securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Target allocations	67.00%	66.00%
Non-U.S. | Other [Member]
Defined Benefit Plan Disclosure [Line Items]
Target allocations	19.00%	20.00%

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- Definition

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+ 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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