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Pension and Other Retiree Benefits (Weighted Average Assumptions Used in Calculating Benefit Obligation) (Details)	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Pension | U.S.
Defined Benefit Plan Disclosure [Line Items]
Discount rate	2.60%	3.30%	4.60%
Pension | International
Defined Benefit Plan Disclosure [Line Items]
Discount rate	1.20%	1.80%	2.50%
Rate of compensation increase	2.90%	2.90%	3.00%
Post-retirement
Defined Benefit Plan Disclosure [Line Items]
Discount rate	1.90%	2.70%	3.70%

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 http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

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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 http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

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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.

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