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LONG-TERM DEBT - 4 3/4% and 3 1/4% Senior Notes (Details)	Feb. 13, 2017 USD ($)	Dec. 31, 2020	Feb. 26, 2020 EUR (€)	Feb. 13, 2017 EUR (€)
4¾% Senior Notes
Redemption price percent if change in control occurs in addition to accrued and unpaid interest	101.00%			101.00%
3¼% Senior Notes
Redemption price percent if change in control occurs in addition to accrued and unpaid interest	101.00%			101.00%
2¼% Senior Notes
Debt instrument, face amount			€ 500,000,000.0
Senior Notes | 4¾% Senior Notes
Stated interest rate		4.75%
Debt instrument, face amount | $	$ 300,000,000.0
Debt instrument offering price percentage at principal amount	100.00%			100.00%
Senior Notes | 3¼% Senior Notes
Stated interest rate		3.25%
Debt instrument, face amount				€ 650,000,000.0
Debt instrument offering price percentage at principal amount	100.00%			100.00%
Senior Notes | 2¼% Senior Notes
Stated interest rate		2.25%
Debt instrument, face amount			€ 500,000,000.0
Debt instrument offering price percentage at principal amount			100.00%
Debt Instrument, Redemption Period - Post March 15 2020 | 4¾% Senior Notes
Debt instrument, redemption price, percentage, initial plus accrued and unpaid interest	102.375%
Debt Instrument, Redemption Period - Post March 15 2020 | 3¼% Senior Notes
Debt instrument, redemption price, percentage, initial plus accrued and unpaid interest	101.625%
Debt Instrument, Redemption Period - Post March 15 2022 | 4¾% Senior Notes
Debt instrument, redemption price, percentage, ending, plus accrued and unpaid interest	100.00%
Debt Instrument, Redemption Period - Post March 15 2022 | 3¼% Senior Notes
Debt instrument, redemption price, percentage, ending, plus accrued and unpaid interest	100.00%

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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

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Contractual interest rate for funds borrowed, under the debt agreement.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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