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Financial Expenses and Income (Details) - EUR (€) € in Millions	6 Months Ended		12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Disclosure of detailed information about finance income expense [Line Items]
Cost of debt	€ (232)	€ (151)	€ (365)
Interest income	257	59	241
Cost of net debt	25	(92)	(124)
Non-operating foreign exchange gains/(losses)	(3)	(1)	(4)
Unwinding of discounting of provisions	(22)	(8)	(20)
Net interest cost related to employee benefits	(41)	(26)	(47)
Gains/(losses) on disposals of financial assets	0	0	1
Net interest expense on lease liabilities	(21)	(20)	(40)
Other	(22)	(8)	0
Net financial income/(expenses)	(84)	(155)	(234)
Financial expenses	(370)	(189)	(440)
Financial income	286	34	206
Unwinding of discount and gains (losses) arising from revisions of expected cash flows	(35)	0	0
Interest rate and currency derivatives used to hedge debt
Disclosure of detailed information about finance income expense [Line Items]
Gain on derivatives used to manage debt	(25)	5	(11)
Gain on derivatives used to manage cash and cash equivalents	€ (4)	€ 36	€ 68

X

- Definition

The amount of expense recognised due to the unwinding of the discount on provisions other than provisions from employee benefits, resulting from the effect of the passage of time. [Refer: Other provisions]

+ References

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- Definition

The amount of costs associated with financing activities of the entity.

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- Definition

The amount of income associated with interest and other financing activities of the entity.

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The amount of income or cost associated with interest and other financing activities of the entity.

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- Definition

The gains (losses) on available-for-sale financial assets. [Refer: Financial assets available-for-sale]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2023-01-01
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- Definition

The amount of interest expense on borrowings. [Refer: Interest expense; Borrowings]

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- Definition

The amount of interest expense on lease liabilities. [Refer: Lease liabilities]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-IssueDate 2022-03-24
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- Definition

The amount of finance income or cost that the entity does not separately disclose in the same statement or note. [Refer: Finance income (cost)]

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- Definition

Cost of debt net.

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Gain (loss) on derivatives used to manage cash and cash equivalents.

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Gain (loss) on derivatives used to manage debt.

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Interest Income

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Net interest cost related to employee benefits.

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Non-operating foreign exchange gains/(losses).

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Unwinding Of Discount And Gains (Losses) Arising From Revisions Of Expected Cash Flows On Financial Income (Expense) Related To Liabilities At Amortized Cost

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