Contributions as share premium.

No definition available.

Name:	arvl_ContributionsAsSharePremium
Namespace Prefix:	arvl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Number Of Businesses Acquired

+ References

No definition available.

+ Details

Name:	arvl_NumberOfBusinessesAcquired
Namespace Prefix:	arvl_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Profit (loss) of acquiree before acquisition date.

+ References

No definition available.

+ Details

Name:	arvl_ProfitlossOfAcquireeBeforeAcquisitionDate
Namespace Prefix:	arvl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Retained Earnings recognized as of acquisition date.

+ References

No definition available.

+ Details

Name:	arvl_RetainedEarningsRecognizedAsOfAcquisitionDate
Namespace Prefix:	arvl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fair value, at acquisition date, of the consideration transferred in a business combination. [Refer: Business combinations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2021-01-01
-Paragraph B64
-Subparagraph f
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B64_f&doctype=Appendix&subtype=B
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amounts payable resulting from related party transactions. [Refer: Related parties [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 24
-IssueDate 2021-01-01
-Paragraph 20
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2021-en-r&anchor=para_20&doctype=Standard
-URIDate 2021-03-24

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 24
-IssueDate 2021-01-01
-Paragraph 18
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2021-en-r&anchor=para_18_b&doctype=Standard
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_AmountsPayableRelatedPartyTransactions
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount recognised as of the acquisition date for cash and cash equivalents acquired in a business combination. [Refer: Cash and cash equivalents; Business combinations [member]]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 3
-IssueDate 2021-01-01
-Paragraph B64
-Subparagraph i
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B64_i&doctype=Appendix&subtype=B
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_CashAndCashEquivalentsRecognisedAsOfAcquisitionDate
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The fair value, at acquisition date, of cash transferred as consideration in a business combination. [Refer: Business combinations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2021-01-01
-Paragraph B64
-Subparagraph f
-Clause i
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B64_f_i&doctype=Appendix&subtype=B
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_CashTransferred
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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

Name:	ifrs-full_DisclosureOfBusinessCombinationsLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of voting equity interests acquired in a business combination. [Refer: Business combinations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2021-01-01
-Paragraph B64
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B64_c&doctype=Appendix&subtype=B
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_PercentageOfVotingEquityInterestsAcquired
Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The profit (loss) of the acquiree, since the acquisition date, included in the consolidated statement of comprehensive income. [Refer: Profit (loss)]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2021-01-01
-Paragraph B64
-Subparagraph q
-Clause i
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B64_q_i&doctype=Appendix&subtype=B
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_ProfitLossOfAcquiree
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	ifrs-full_BusinessCombinationsAxis=arvl_ArrivalLTUABMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BusinessCombinationsAxis=arvl_ArrivalSolutionsGermanyGmbhMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BusinessCombinationsAxis=arvl_RoboraceLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BusinessCombinationsAxis=arvl_RoboraceIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BusinessCombinationsAxis=arvl_ArrivalMLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BusinessCombinationsAxis=arvl_ArrivalRLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BusinessCombinationsAxis=arvl_ArrivalUSAIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BusinessCombinationsAxis=arvl_KCybernationSARLAndKRobolifeSARLMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

BUSINESS COMBINATIONS - Additional Information (Details)	6 Months Ended		12 Months Ended
	Dec. 31, 2020 USD ($)	Jul. 14, 2020 USD ($)	Dec. 31, 2020 business	Sep. 21, 2020 USD ($)	Jul. 20, 2020 USD ($)	Jul. 20, 2020 EUR (€)	Jul. 14, 2020 EUR (€)	Mar. 09, 2020 USD ($)	Dec. 31, 2019 USD ($)	Sep. 02, 2019 USD ($)	Apr. 11, 2019 USD ($)
Arrival LT UAB
Disclosure of detailed information about business combination [line items]
Percentage of voting equity interests acquired		100.00%					100.00%
Cash transferred		$ 2,867					€ 2,500
Loss reported until acquisition date		240,870
Profit reported since acquisition	$ 1,438,338
Cash and cash equivalents recognised as of acquisition date		66,000
Consideration transferred		3,000
Arrival Solutions Germany GmbH
Disclosure of detailed information about business combination [line items]
Cash transferred					$ 10,000	€ 8,700		$ 28,640
Number of businesses acquired \| business			2
Roborace Ltd
Disclosure of detailed information about business combination [line items]
Contributions to share premium				$ 67,551
Cash and cash equivalents recognised as of acquisition date				65,306
Retained earnings recognized as of acquisition date		$ 63,612,611
Roborace Inc
Disclosure of detailed information about business combination [line items]
Cash and cash equivalents recognised as of acquisition date				$ 44,237
Retained earnings recognized as of acquisition date					$ 841,733
Arrival M Ltd
Disclosure of detailed information about business combination [line items]
Consideration transferred											$ 3,741,902
Arrival R Ltd
Disclosure of detailed information about business combination [line items]
Consideration transferred										$ 67,119,118
Arrival U S A Inc
Disclosure of detailed information about business combination [line items]
Consideration transferred										$ 4,951,654
K Cybernation S.à r.l. and K Robolife S.à r.l.
Disclosure of detailed information about business combination [line items]
Amount due to related party									$ 75,812,674