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PROPERTY, PLANT AND EQUIPMENT (Details) € in Millions	6 Months Ended
	Jun. 30, 2020 EUR (€)
Reconciliation of changes in property, plant and equipment [abstract]
Beginning balance	€ 2,056
Additions	112
Disposals	(2)
Depreciation and impairment	(132)
Transfer during the year	0
Effects of changes in foreign exchange rates	(3)
Ending balance	2,031
Cost
Reconciliation of changes in property, plant and equipment [abstract]
Ending balance	3,322
Less accumulated depreciation and impairment
Reconciliation of changes in property, plant and equipment [abstract]
Ending balance	(1,291)
Land and Property Rights
Reconciliation of changes in property, plant and equipment [abstract]
Beginning balance	19
Additions	0
Disposals	0
Depreciation and impairment	0
Transfer during the year	2
Effects of changes in foreign exchange rates	0
Ending balance	21
Land and Property Rights | Cost
Reconciliation of changes in property, plant and equipment [abstract]
Ending balance	37
Land and Property Rights | Less accumulated depreciation and impairment
Reconciliation of changes in property, plant and equipment [abstract]
Ending balance	(16)
Buildings
Reconciliation of changes in property, plant and equipment [abstract]
Beginning balance	366
Additions	9
Disposals	0
Depreciation and impairment	(14)
Transfer during the year	18
Effects of changes in foreign exchange rates	(1)
Ending balance	378
Buildings | Cost
Reconciliation of changes in property, plant and equipment [abstract]
Ending balance	552
Buildings | Less accumulated depreciation and impairment
Reconciliation of changes in property, plant and equipment [abstract]
Ending balance	(174)
Machinery and Equipment
Reconciliation of changes in property, plant and equipment [abstract]
Beginning balance	1,451
Additions	36
Disposals	(2)
Depreciation and impairment	(108)
Transfer during the year	52
Effects of changes in foreign exchange rates	0
Ending balance	1,429
Machinery and Equipment | Cost
Reconciliation of changes in property, plant and equipment [abstract]
Ending balance	2,488
Machinery and Equipment | Less accumulated depreciation and impairment
Reconciliation of changes in property, plant and equipment [abstract]
Ending balance	(1,059)
Construction Work in Progress
Reconciliation of changes in property, plant and equipment [abstract]
Beginning balance	203
Additions	66
Disposals	0
Depreciation and impairment	(5)
Transfer during the year	(74)
Effects of changes in foreign exchange rates	(2)
Ending balance	188
Construction Work in Progress | Cost
Reconciliation of changes in property, plant and equipment [abstract]
Ending balance	198
Construction Work in Progress | Less accumulated depreciation and impairment
Reconciliation of changes in property, plant and equipment [abstract]
Ending balance	(10)
Other
Reconciliation of changes in property, plant and equipment [abstract]
Beginning balance	17
Additions	1
Disposals	0
Depreciation and impairment	(5)
Transfer during the year	2
Effects of changes in foreign exchange rates	0
Ending balance	15
Other | Cost
Reconciliation of changes in property, plant and equipment [abstract]
Ending balance	47
Other | Less accumulated depreciation and impairment
Reconciliation of changes in property, plant and equipment [abstract]
Ending balance	€ (32)

X

- Definition

The amount of additions to property, plant and equipment other than those acquired through business combinations. [Refer: Business combinations [member]; Property, plant and equipment]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 16
-IssueDate 2019-01-01
-Paragraph 73
-Subparagraph e
-Clause i
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2019-en-r&anchor=para_73_e_i&doctype=Standard
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- Definition

The amount of depreciation of property, plant and equipment. [Refer: Depreciation and amortisation expense; Property, plant and equipment]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 16
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The decrease in property, plant and equipment resulting from disposals. [Refer: Property, plant and equipment]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 16
-IssueDate 2019-01-01
-Paragraph 73
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- Definition

The increase (decrease) in property, plant and equipment resulting from net exchange differences arising on the translation of the financial statements 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: Property, plant and equipment]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
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-IssueDate 2019-01-01
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- Definition

The increase (decrease) in property, plant and equipment resulting from transfers. [Refer: Property, plant and equipment]

+ References

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-Name IAS
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- Definition

The amount of tangible assets that: (a) are held for use in the production or supply of goods or services, for rental to others, or for administrative purposes; and (b) are expected to be used during more than one period.

+ References

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