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EMPLOYEE BENEFIT PLANS - Schedule of Weighted-Average Assumptions Used to Determine Benefit Obligations (Details) - Defined benefit pension plans	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Weighted-average assumptions used to determine the benefit obligations
Discount rate	0.90%	0.90%
Rate of compensation increase	2.80%	2.60%
Social securities increase	1.80%	1.50%
Pension increase	1.80%	1.80%
Weighted-average assumptions used to determine the net periodic benefit cost
Discount rate	0.90%	0.70%	1.00%
Expected return on plan assets	2.30%	2.40%	1.60%
Rate of compensation increase	2.60%	2.50%	2.70%
Social securities increase	1.50%	1.40%	1.60%
Pension increase	1.80%	0.30%	2.00%

X

- Definition

This element represents the percentage of increase in pension.

+ References

No definition available.

+ Details

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X

- Definition

This element represents the percentage of increase in social security.

+ References

No definition available.

+ Details

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Namespace Prefix:	ew_
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X

- Definition

This element represents the percentage of increase in pension.

+ References

No definition available.

+ Details

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- Definition

This element represents the percentage of increase in social security.

+ References

No definition available.

+ Details

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Namespace Prefix:	ew_
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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://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=108410482&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://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=108410482&loc=d3e1928-114920

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X

- 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=108410482&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=108410482&loc=d3e1928-114920

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X

- 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=108410482&loc=d3e1928-114920

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- References

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- References

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- Details

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