Employee Benefit Plans (Assumptions in Determining Benefit Obligations) (Details) - UNITED STATES	Dec. 31, 2020	Dec. 31, 2019
Pension Benefits
Assumptions used in determining benefit obligations [Abstract]
Weighted average discount rate	2.65%	3.30%
Weighted average interest crediting rate	3.46%	3.99%
Pension Benefits \| Minimum
Assumptions used in determining benefit obligations [Abstract]
Rate of compensation increase	2.50%	2.25%
Pension Benefits \| Maximum
Assumptions used in determining benefit obligations [Abstract]
Rate of compensation increase	8.00%	8.50%
Other Postretirement Benefits
Assumptions used in determining benefit obligations [Abstract]
Weighted average discount rate	2.85%	3.45%

Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan.

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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- 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

Weighted-average interest crediting rate used to determine benefit obligation of defined benefit plan. Plan includes, but is not limited to, cash balance and other defined benefit plans with promised interest crediting rate.

+ 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)(4)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

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- References

No definition available.

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