XML 215 R104.htm IDEA: XBRL DOCUMENT v3.21.1

Property, plant and equipment - Unproved mineral interests (Details) - EUR (€) € in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Property, plant and equipment
Property, plant and equipment - beginning of the year	€ 62,192	€ 60,302
Additions	4,407	8,049
Currency translation differences	(4,140)	1,044
Property, plant and equipment - end of the year	53,943	62,192
Unproved mineral interest
Property, plant and equipment
Property, plant and equipment - beginning of the year	2,162	2,478
Additions	57	256
Net (impairments) reversals	(196)	(495)
Reclassification to proved mineral interest	(90)	(129)
Currency translation differences	(170)	52
Property, plant and equipment - end of the year	1,763	2,162
Unproved mineral interest | Congo
Property, plant and equipment
Property, plant and equipment - beginning of the year	253	769
Net (impairments) reversals	(25)	(533)
Currency translation differences	(25)	17
Property, plant and equipment - end of the year	203	253
Unproved mineral interest | Nigeria
Property, plant and equipment
Property, plant and equipment - beginning of the year	939	921
Currency translation differences	(79)	18
Property, plant and equipment - end of the year	860	939
Unproved mineral interest | Turkmenistan
Property, plant and equipment
Property, plant and equipment - beginning of the year	139	77
Net (impairments) reversals	(134)	65
Reclassification to proved mineral interest	(2)	(4)
Currency translation differences	(3)	1
Property, plant and equipment - end of the year		139
Unproved mineral interest | USA
Property, plant and equipment
Property, plant and equipment - beginning of the year	162	103
Additions		97
Net (impairments) reversals	(37)	(27)
Reclassification to proved mineral interest		(14)
Currency translation differences	(11)	3
Property, plant and equipment - end of the year	114	162
Unproved mineral interest | Algeria
Property, plant and equipment
Property, plant and equipment - beginning of the year	115	77
Additions	55	135
Reclassification to proved mineral interest	(61)	(99)
Currency translation differences	(9)	2
Property, plant and equipment - end of the year	100	115
Unproved mineral interest | Egypt
Property, plant and equipment
Property, plant and equipment - beginning of the year	19	29
Additions	2	1
Reclassification to proved mineral interest	(2)	(12)
Currency translation differences	(1)	1
Property, plant and equipment - end of the year	18	19
Unproved mineral interest | United Arab Emirates
Property, plant and equipment
Property, plant and equipment - beginning of the year	535	502
Additions		23
Reclassification to proved mineral interest	(25)
Currency translation differences	(42)	10
Property, plant and equipment - end of the year	€ 468	€ 535

X

- Definition

The amount of impairment loss and reversal of impairment loss recognised in profit or loss for property, plant and equipment.

+ References

No definition available.

+ Details

Name:	e_ImpairmentLossAndReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment
Namespace Prefix:	e_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The amount of additions to property, plant and equipment other than those acquired through business combinations. [Refer: Business combinations [member]; Property, plant and equipment]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 16
-IssueDate 2020-01-01
-Paragraph 73
-Subparagraph e
-Clause i
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2020-en-r&anchor=para_73_e_i&doctype=Standard
-URIDate 2020-01-01

+ Details

Name:	ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- 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

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

X

- Definition

The increase (decrease) in property, plant and equipment resulting from net exchange differences arising on the translation of the financial statements from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Property, plant and equipment]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 16
-IssueDate 2020-01-01
-Paragraph 73
-Subparagraph e
-Clause viii
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2020-en-r&anchor=para_73_e_viii&doctype=Standard
-URIDate 2020-01-01

+ Details

Name:	ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The increase (decrease) in property, plant and equipment resulting from transfers. [Refer: Property, plant and equipment]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 16
-IssueDate 2020-01-01
-Paragraph 73
-Subparagraph e
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2020-en-r&anchor=para_73_e&doctype=Standard
-URIDate 2020-01-01

+ Details

Name:	ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The amount of tangible assets that: (a) are held for use in the production or supply of goods or services, for rental to others, or for administrative purposes; and (b) are expected to be used during more than one period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 16
-IssueDate 2020-01-01
-Paragraph 73
-Subparagraph e
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2020-en-r&anchor=para_73_e&doctype=Standard
-URIDate 2020-01-01

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2020-01-01
-Paragraph 54
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_54_a&doctype=Standard
-URIDate 2020-01-01

+ Details

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

X

- Details

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

X

- Details

Name:	ifrs-full_GeographicalAreasAxis=country_CG
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_GeographicalAreasAxis=country_NG
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_GeographicalAreasAxis=country_TM
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_GeographicalAreasAxis=country_US
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_GeographicalAreasAxis=country_DZ
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_GeographicalAreasAxis=country_EG
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_GeographicalAreasAxis=country_AE
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: