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OPERATING SEGMENT INFORMATION - Segment Adjusted EBITDA and reconciliation of Adjusted EBITDA to Net Income (Details) - EUR (€) € in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Disclosure of segment adjusted EBITDA and reconciliation of adjusted EBITDA to net income [line items] |  |  |
Adjusted EBITDA | € 581 | € 465 | € 562
Metal price lag | 187 | (8) | (46)
Start-up and development costs | 0 | (5) | (11)
Bowling Green one-time costs related to the acquisition | 0 | 0 | (5)
Share based compensation costs | (15) | (15) | (16)
(Losses) / gains on pension plan amendments | (32) | (2) | 1
Depreciation and amortization | (267) | (259) | (256)
Impairment of assets | 0 | (43) | 0
Restructuring costs | (3) | (13) | (4)
Unrealized gains on derivatives | 35 | 16 | 33
Unrealized exchange gains from the remeasurement of monetary assets and liabilities – net | 1 | 1 | 0
Losses on disposal | (3) | (4) | (3)
Other | 0 | (8) | 0
Income from operations | 484 | 125 | 255
Finance costs - net | (167) | (159) | (175)
Share of income of joint-ventures | 0 | 0 | 2
Income / (loss) before tax | 317 | (34) | 82
Income tax (expense) / benefit | (55) | 17 | (18)
Net income / (loss) | 262 | (17) | 64
Losses reclassified from OCI as a result of hedge accounting discontinuation | 0 | 6 | 0
OPEB |  |  |
Disclosure of segment adjusted EBITDA and reconciliation of adjusted EBITDA to net income [line items] |  |  |
Negative past service cost recorded to cancel gain originally recognized | 31 |  |
COVID-19 |  |  |
Disclosure of segment adjusted EBITDA and reconciliation of adjusted EBITDA to net income [line items] |  |  |
Procurement penalties and termination fees |  | 2 |
Losses reclassified from OCI as a result of hedge accounting discontinuation |  | 6 |
P&ARP |  |  |
Disclosure of segment adjusted EBITDA and reconciliation of adjusted EBITDA to net income [line items] |  |  |
Adjusted EBITDA | 344 | 291 | 273
A&T |  |  |
Disclosure of segment adjusted EBITDA and reconciliation of adjusted EBITDA to net income [line items] |  |  |
Adjusted EBITDA | 111 | 106 | 204
AS&I |  |  |
Disclosure of segment adjusted EBITDA and reconciliation of adjusted EBITDA to net income [line items] |  |  |
Adjusted EBITDA | 142 | 88 | 106
H&C |  |  |
Disclosure of segment adjusted EBITDA and reconciliation of adjusted EBITDA to net income [line items] |  |  |
Adjusted EBITDA | € (16) | € (20) | € (21)

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