DEFERRED INCOME TAXES - Changes in Net Deferred Income Tax Assets / (Liabilities) (Details) - EUR (€) € in Millions	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Significant components of deferred tax assets and liabilities [line items]
At January 1	€ 161	€ 141
Acquisitions	0	3
Recognized in Profit or loss	31	14
Recognized in OCI	(2)	15
FX	(7)	(12)
At December 31	183	161
Long-term assets
Significant components of deferred tax assets and liabilities [line items]
At January 1	(99)	(94)
Acquisitions	0	1
Recognized in Profit or loss	(16)	(3)
Recognized in OCI	0	0
FX	9	(3)
At December 31	(106)	(99)
Inventories
Significant components of deferred tax assets and liabilities [line items]
At January 1	8	5
Acquisitions	0	0
Recognized in Profit or loss	(3)	2
Recognized in OCI	0	0
FX	0	1
At December 31	5	8
Pensions
Significant components of deferred tax assets and liabilities [line items]
At January 1	127	116
Acquisitions	0	0
Recognized in Profit or loss	(1)	(4)
Recognized in OCI	5	13
FX	(5)	2
At December 31	126	127
Derivative valuation
Significant components of deferred tax assets and liabilities [line items]
At January 1	6	12
Acquisitions	0	0
Recognized in Profit or loss	(4)	(8)
Recognized in OCI	(7)	2
FX	0	0
At December 31	(5)	6
Tax losses carried forward
Significant components of deferred tax assets and liabilities [line items]
At January 1	75	61
Acquisitions	0	0
Recognized in Profit or loss	49	27
Recognized in OCI	0	0
FX	(8)	(13)
At December 31	116	75
Other
Significant components of deferred tax assets and liabilities [line items]
At January 1	44	41
Acquisitions	0	2
Recognized in Profit or loss	6	0
Recognized in OCI	0	0
FX	(3)	1
At December 31	€ 47	€ 44

Significant components of deferred tax assets and liabilities line items.

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- Definition

The amount of tax expense or income relating to changes in deferred tax liabilities and deferred tax assets, recognised in profit or loss. [Refer: Deferred tax assets; Deferred tax expense (income); Deferred tax liabilities]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2020-01-01
-Paragraph 81
-Subparagraph g
-Clause ii
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2020-en-r&anchor=para_81_g_ii&doctype=Standard
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- Definition

The amount of deferred tax liabilities or assets. [Refer: Deferred tax liabilities; Deferred tax assets]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2020-01-01
-Paragraph 81
-Subparagraph g
-Clause i
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2020-en-r&anchor=para_81_g_i&doctype=Standard
-URIDate 2020-01-01

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- Definition

The amount of income tax relating to amounts recognised in other comprehensive income. [Refer: Other comprehensive income]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2020-01-01
-Paragraph 81
-Subparagraph ab
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-URIDate 2020-01-01

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2020-01-01
-Paragraph 90
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_90&doctype=Standard
-URIDate 2020-01-01

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- Definition

The increase (decrease) in deferred tax liability (asset) resulting from business combinations. [Refer: Deferred tax liability (asset)]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 12
-IssueDate 2020-01-01
-Paragraph 81
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2020-en-r&anchor=para_81&doctype=Standard
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- Definition

The increase (decrease) in deferred tax liability (asset) resulting from the net exchange differences arising when the financial statements are translated from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Deferred tax liability (asset)]

+ References

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