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PROPERTY, PLANT AND EQUIPMENT - Depreciation Expense (Details) - EUR (€) € in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Depreciation expense and impairment losses | € (267) | € (259) | € (256)
Cost of sales |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Depreciation expense and impairment losses | (245) | (240) | (237)
Selling and administrative expenses |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Depreciation expense and impairment losses | (17) | (14) | (13)
Research and development expenses |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Depreciation expense and impairment losses | € (5) | € (5) | € (6)

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- Definition The amount of depreciation expense, amortisation expense and impairment loss (reversal of impairment loss) recognised in profit or loss. [Refer: Depreciation and amortisation expense; Impairment loss (reversal of impairment loss) recognised in profit or loss] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_112_c&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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