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Employee Benefit Plans - Weighted-Average Assumptions, Pension Plans (Details) - Pension Plans	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
United States
Summary of weighted-average actuarial assumptions used in determining annual pension expense
Discount rate (as a percent)	4.35%	3.70%	4.20%
Rate of increase in compensation levels (as a percent)	3.00%	3.00%	3.00%
Expected long-term rate of return on plan assets (as a percent)	5.40%	5.40%	5.40%
Gain and loss amortization period (years)	22 years	21 years	21 years
Foreign Plan
Summary of weighted-average actuarial assumptions used in determining annual pension expense
Discount rate (as a percent)	3.04%	2.70%	3.90%
Rate of increase in compensation levels (as a percent)	3.08%	3.08%	3.10%
Expected long-term rate of return on plan assets (as a percent)	5.36%	5.50%	5.48%
Gain and loss amortization period (years)	24 years	26 years	26 years

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- Definition

Expected gain and loss amortization period in years.

+ References

No definition available.

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-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 of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(3)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

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- Definition

Weighted average rate of compensation increase used to determine net periodic benefit cost of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-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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