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Subsequent Events - Additional Information (Detail) € in Millions |  |  | 1 Months Ended
--- | --- | --- | ---
Feb. 01, 2018 EUR (€) | Dec. 31, 2017 | Jan. 31, 2018 USD ($)
Muscle Shoals factoring facility [member] | Factoring of receivables [member] |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |
Accounts receivable factoring agreement maturity date |  | Jan. 24, 2018 |
Events after reporting period [member] | Muscle Shoals factoring facility [member] | Factoring of receivables [member] |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |
Maximum borrowing capacity | $ |  |  | $ 375,000,000
Accounts receivable factoring agreement maturity date |  |  | Jan. 24, 2020
Disposal of leased assets [member] | Novelis [member] |  |  |
Disclosure of non-adjusting events after reporting period [line items] |  |  |
Purchase price transactions | € | € 200 |  |

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- Definition The cash inflow from the disposal of property, plant and equipment, intangible assets other than goodwill, investment property and other non-current assets. [Refer: Intangible assets other than goodwill; Investment property; Other non-current assets; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2017-01-01 -Paragraph 16 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2017-03-01&anchor=para_16&doctype=Standard -URIDate 2017-03-09 + Details
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- Details
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