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Borrowings (Tables) | 6 Months Ended
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Jun. 30, 2018
Text block1 [abstract] |
Summary of Borrowings |
(in millions of Euros) |  | June 30, 2018 |  |  | December 31, 2017 |
| Nominal Value in Currency |  |  | Nominal rate |  |  | Effective rate |  |  | Nominal Value In Euros |  |  | (Arrangement fees) |  |  | Accrued interests |  |  | Carrying value |  |  | Carrying value |
Secured Pan US ABL (due 2022) |  | $ | 90 |  |  |  | Floating |  |  |  | 4.32 | % |  |  | 77 |  |  |  | — |  |  |  | — |  |  |  | 77 |  |  |  | 65 |
Secured Inventory Based Facility (due 2019) |  |  | — |  |  |  | Floating |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Senior Unsecured Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Constellium N.V. (Issued May 2014, due 2024) |  | $ | 400 |  |  |  | 5.75 | % |  |  | 6.26 | % |  |  | 343 |  |  |  | (4 | ) |  |  | 2 |  |  |  | 341 |  |  |  | 332 |
Constellium N.V. (Issued May 2014, due 2021) |  | € | 300 |  |  |  | 4.63 | % |  |  | 5.16 | % |  |  | 300 |  |  |  | (3 | ) |  |  | 2 |  |  |  | 299 |  |  |  | 298 |
Constellium N.V. (Issued February 2017, due 2025) |  | $ | 650 |  |  |  | 6.63 | % |  |  | 7.13 | % |  |  | 558 |  |  |  | (12 | ) |  |  | 12 |  |  |  | 558 |  |  |  | 541 |
Constellium N.V. (Issued November 2017, due 2026) |  | $ | 500 |  |  |  | 5.88 | % |  |  | 6.26 | % |  |  | 429 |  |  |  | (8 | ) |  |  | 10 |  |  |  | 431 |  |  |  | 413 |
Constellium N.V. (Issued November 2017, due 2026) |  | € | 400 |  |  |  | 4.25 | % |  |  | 4.57 | % |  |  | 400 |  |  |  | (7 | ) |  |  | 6 |  |  |  | 399 |  |  |  | 395 |
Unsecured Revolving Credit Facility (due 2021)(A) |  |  | — |  |  |  | Floating |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Other loans (including Finance leases) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 76 |  |  |  | — |  |  |  | 3 |  |  |  | 79 |  |  |  | 83 |
Total Borrowings |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,183 |  |  |  | (34 | ) |  |  | 35 |  |  |  | 2,184 |  |  |  | 2,127 |
Of which non-current |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,054 |  |  |  | 2,021 |
Of which current |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 130 |  |  |  | 106 |
Constellium N.V. Senior Notes are guaranteed by certain subsidiaries.
(A) | On March 28, 2018, Constellium Issoire entered into a €10 million unsecured Revolving Credit Facility with BPI France, a related party.
Summary of Reconciliation of Movement in Net Borrowings Explanatory |
(in millions of Euros) |  | Period ended June 30, 2018 |  |  | Year ended December 31, 2017 |
At January 1, |  |  | 2,127 |  |  |  | 2,468 |
Cash flows |  |  |  |  |  |  |  |
Proceeds from issuance of Senior Notes(A)(B) |  |  | — |  |  |  | 1,440 |
Repayments of Senior Notes(B)(C) |  |  | — |  |  |  | (1,559 | )
Proceeds / (Repayments) from U.S. Revolving Credit Facilities and other loans |  |  | 10 |  |  |  | 29 |
Arrangement fees payment |  |  | — |  |  |  | (29 | )
Finance lease repayment and others |  |  | (7 | ) |  |  | (13 | )
Non-cash changes |  |  |  |  |  |  |  |
Movement in interests accrued or capitalized |  |  | 11 |  |  |  | (13 | )
New finance leases |  |  | 1 |  |  |  | 17 |
Deferred arrangement fees and step-up amortization |  |  | 2 |  |  |  | 7 |
Effects of changes in foreign exchange rates |  |  | 40 |  |  |  | (220 | )
At end of the period |  |  | 2,184 |  |  |  | 2,127 |
(A) | The proceeds from the Senior Notes issued on November 9, 2017 represented €830 million, converted at the issuance date exchange rate of EUR/USD=1.1630.
(B) | The proceeds from the Senior Notes issued on February 16, 2017 represented €610 million, converted at the issuance date exchange rate of EUR/USD=1.0652. The repurchase of Muscle Shoals Senior Notes was completed on the same day for the same amount.
(C) | The redemption of Secured and Unsecured Notes on November 9, 2017 represented €949 million, converted at the redemption date exchange rate of EUR/USD=1.1630.
Summary of Composition of Carrying Amounts of Total Borrowings | The composition of the carrying amounts of total borrowings in Euro equivalents is denominated in the currencies shown below:
(in millions of Euros) |  | At June 30, 2018 |  |  | At December 31, 2017 |
U.S. Dollar |  |  | 1,442 |  |  |  | 1,387 |
Euro |  |  | 722 |  |  |  | 720 |
Other currencies |  |  | 20 |  |  |  | 20 |
Total borrowings |  |  | 2,184 |  |  |  | 2,127 |

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