Finance debt (Tables)

12 Months Ended

Dec. 31, 2022

Disclosure of detailed information about borrowings [line items]

Schedule of finance debt

	December 31, 2022				December 31, 2021
	Short-term debt	Current portion of long-term debt	Long-term debt	Total	Short-term debt	Current portion of long-term debt	Long-term debt	Total
(€ million)
Banks	3,645	851	1,999	6,495	362	347	4,650	5,359
Ordinary bonds		2,140	16,372	18,512		913	18,049	18,962
Convertible bonds						399		399
Sustainability-Linked Bond		2	996	998		2	996	998
Commercial papers	34			34	836			836
Other financial institutions	767	104	7	878	1,101	120	19	1,240
	4,446	3,097	19,374	26,917	2,299	1,781	23,714	27,794

Schedule of breakdown of committed borrowing facilities

(€ million)	December 31, 2022	December 31, 2021
Undrawn long-term Sustainability-Linked bonds	8,100	2,800
Other undrawn long-term borrowing facilities	2	20
Drawn long-term Sustainability-Linked bonds		2,050
Other drawn long-term borrowing facilities	70	162
Long-term borrowing facilities	8,172	5,032
Other undrawn short-term borrowing facilities	43	15
Other drawn short-term borrowing facilities	83	67
Short-term borrowing facilities	126	82
	8,298	5,114

Schedule of fair value of long-term debt

Fair value of long-term debt, including the current portion of long-term debt is described below:

(€ million)	December 31, 2022	December 31, 2021
Ordinary bonds and Sustainability-Linked Bond	18,167	23,070
Convertible bonds		513
Banks	2,733	5,029
Other financial institutions	111	138
	21,011	28,750

Schedule of changes in liabilities arising from financing activities

(€ million)	Long-term debt and current portion of long-term debt		Short-term debt		Long-term and current portion of long-term lease liabilietis		Total
Carrying amount at December 31, 2021	25,495		2,299		5,337		33,131
Cash flows	(3,944	)	1,375		(994	)	(3,563	)
Currency translation differences	208		547		289		1,044
Changes in the scope of consolidation	477		(95	)	(1,953	)	(1,571	)
Other non-monetary changes	235		320		2,272		2,827
Carrying amount at December 31, 2022	22,471		4,446		4,951		31,868
Carrying amount at December 31, 2020	23,804		2,882		5,018		31,704
Cash flows	666		(910	)	(939	)	(1,183	)
Currency translation differences	255		153		303		711
Changes in the scope of consolidation	545		160		103		808
Other non-monetary changes	225		14		852		1,091
Carrying amount at December 31, 2021	25,495		2,299		5,337		33,131

Currency

Disclosure of detailed information about borrowings [line items]

Schedule of finance debt

	December 31, 2022				December 31, 2021
	Short-term debt (€ million)	Average rate (%)	Long-term debt and current portion of long term debt (€ million)	Average rate (%)	Short-term debt (€ million)	Average rate (%)		Long-term debt and current portion of long term debt (€ million)	Average rate (%)
Euro	3,994	0.9	17,171	1.8	1,356			20,399	1.5
U.S. dollar	337	2.2	5,298	5.1	928	0.2		5,096	3.8
Other currencies	115		2	2.4	15	(0.3	)
	4,446		22,471		2,299			25,495

Ordinary Bonds

Disclosure of detailed information about borrowings [line items]

Schedule of finance debt

The following table provides a breakdown of ordinary bonds by issuing entity, maturity date, interest rate and currency as of December 31, 2022:

(€ million)	Amount	Discount on bond issue and accrued expense		Total	Currency	Maturity		Rate %
						from	to	from	to
Issuing entity
Euro Medium Term Notes
Eni SpA	1,200	15		1,215	EUR		2025		3.750
Eni SpA	1,000	29		1,029	EUR		2029		3.625
Eni SpA	1,000	15		1,015	EUR		2023		3.250
Eni SpA	1,000	11		1,011	EUR		2026		1.500
Eni SpA	1,000	10		1,010	EUR		2031		2.000
Eni SpA	1,000	3		1,003	EUR		2026		1.250
Eni SpA	1,000	3		1,003	EUR		2030		0.625
Eni SpA	900			900	EUR		2024		0.625
Eni SpA	800	2		802	EUR		2028		1.625
Eni SpA	750	11		761	EUR		2024		1.750
Eni SpA	750	8		758	EUR		2027		1.500
Eni SpA	750	(3	)	747	EUR		2034		1.000
Eni SpA	650	4		654	EUR		2025		1.000
Eni SpA	600	(2	)	598	EUR		2028		1.125
Eni Finance International SA	1,639	6		1,645	USD	2026	2027		variable
Eni Finance International SA	795	7		802	EUR	2025	2043	1.275	5.441
	14,834	119		14,953
Other bonds
Eni SpA	937	10		947	USD		2023		4.000
Eni SpA	937	5		942	USD		2028		4.750
Eni SpA	937	1		938	USD		2029		4.250
Eni SpA	328	1		329	USD		2040		5.700
Eni USA Inc	375			375	USD		2027		7.300
PLT Wind 2022 SpA	18			18	EUR		2031		variable
SEF Srl	10			10	EUR		2026		7.000
	3,542	17		3,559
	18,376	136		18,512

Convertible Bonds

Disclosure of detailed information about borrowings [line items]

Schedule of finance debt

(€ million)	Amount	Discount on bond issue and accrued expense		Total	Currency	Maturity	Rate %
Eni SpA	1,000	(2	)	998	EUR	2028	0.375