The proportion of ownership interest held by a shareholder of the entity.

No definition available.

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Namespace Prefix:	eqnr_
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- Definition

The lease contracts with related party, terms.

+ References

No definition available.

+ Details

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Namespace Prefix:	eqnr_
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Balance Type:	na
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- 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 2019-01-01
-Paragraph 20
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+ Details

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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 domain members defined in one or many axes of the table.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of goods purchased by the entity in related party transactions. [Refer: Related parties [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
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-Number 24
-IssueDate 2019-01-01
-Paragraph 21
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-URIDate 2019-03-27

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of liabilities settled by the entity on behalf of a related party in related party transactions. [Refer: Related parties [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 24
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-Paragraph 21
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-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2019-en-r&anchor=para_21_j&doctype=Standard
-URIDate 2019-03-27

+ Details

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Data Type:	xbrli:monetaryItemType
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- Details

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Namespace Prefix:
Data Type:	na
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- Details

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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_SignificantInvestmentsInAssociatesAxis=eqnr_GasscoasmemberMember
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Data Type:	na
Balance Type:
Period Type:

- Details

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Data Type:	na
Balance Type:
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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=eqnr_TjeldbergoddenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=eqnr_FolketrygdfondetMember
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Related parties - narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Disclosure of transactions between related parties [line items]
Amounts payable, related party transactions	$ 0	$ 0	$ 0
Equinor ASA [member]
Disclosure of transactions between related parties [line items]
Ownership interests held by shareholder	67.00%
Equinor ASA [member] \| Lease liabilities [member]
Disclosure of transactions between related parties [line items]
Amounts payable, related party transactions	$ 311
Related Party Lease Contract Term	The lease contracts extend to the years 2034 and 2037
Equinor ASA [member] \| Gassco AS [member]
Disclosure of transactions between related parties [line items]
Settlement of liabilities by entity on behalf of related party, related party transactions	$ 1,203	1,396	1,351
Norwegian State [member] \| Oil and gas assets [member]
Disclosure of transactions between related parties [line items]
Purchases of of goods with related party	5,108	7,505	8,604
Norwegian State [member] \| Tjeldbergodden [member]
Disclosure of transactions between related parties [line items]
Purchases of of goods with related party	$ 18	$ 36	$ 49
Folketrygdfondet [member]
Disclosure of transactions between related parties [line items]
Ownership interests held by shareholder	3.60%