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UNAUDITED INTERIM CONSOLIDATED STATEMENT OF CHANGES IN EQUITY - EUR (€) € in Millions | Total | Share capital | Share premium | Re-measurement | Cash flow hedges | Foreign currency translation reserve | Other reserves | Retained losses | Total Equity holders of Constellium | Non-controlling interests
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning balance at Dec. 31, 2018 | € (114) | € 3 | € 420 | € (129) | € (8) | € 3 | € 37 | € (448) | € (122) | € 8
Net (loss) / income | 41 |  |  |  |  |  |  | 39 | 39 | 2
Other comprehensive loss | (47) |  |  | (47) | 1 | (1) |  |  | (47) |
Total comprehensive loss | (6) |  |  | (47) | 1 | (1) |  | 39 | (8) | 2
Share-based compensation | 7 |  |  |  |  |  | 7 |  | 7 |
Transactions with non-controlling interests | 0 |  |  |  |  |  |  |  |  | 0
Ending balance at Jun. 30, 2019 | (113) | 3 | 420 | (176) | (7) | 2 | 44 | (409) | (123) | 10
Beginning balance at Dec. 31, 2018 | (114) | 3 | 420 | (129) | (8) | 3 | 37 | (448) | (122) | 8
Net (loss) / income | 64 |  |  |  |  |  |  | 59 | 59 | 5
Other comprehensive loss | (49) |  |  | (48) | (2) | 1 |  |  | (49) | 0
Total comprehensive loss | 15 |  |  | (48) | (2) | 1 |  | 59 | 10 | 5
Share-based compensation | 16 |  |  |  |  |  | 16 |  | 16 |
Transactions with non-controlling interests | (2) |  |  |  |  |  |  |  |  | (2)
Ending balance at Dec. 31, 2019 | (85) | 3 | 420 | (177) | (10) | 4 | 53 | (389) | (96) | 11
Net (loss) / income | (63) |  |  |  |  |  |  | (64) | (64) | 1
Other comprehensive loss | (34) |  |  | (32) | 0 | (2) |  |  | (34) |
Total comprehensive loss | (97) |  |  | (32) | 0 | (2) |  | (64) | (98) | 1
Share issuance |  | 0 | 0 |  |  |  |  |  |  |
Share-based compensation | 8 |  |  |  |  |  | 8 |  | 8 |
Transactions with non-controlling interests | 0 |  |  |  |  |  |  |  |  | 0
Ending balance at Jun. 30, 2020 | € (174) | € 3 | € 420 | € (209) | € (10) | € 2 | € 61 | € (453) | € (186) | € 12

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