Information on market risk and fair value of financial assets and liabilities (telecom activities) - Liquidity position (Details) € in Millions	Dec. 31, 2022 EUR (€)
Disclosure of detailed information about financial instruments [abstract]
Available undrawn amount of credit facilities	€ 6,394
Investments at fair value	4,500
Cash	2,668
Cash equivalents	3,178
Liquidity position	€ 16,741

The amount of cash on hand and demand deposits. [Refer: Cash on hand]

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- Definition

The amount of short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value.

+ References

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- References

No definition available.

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- Definition

The amount of investments other than investments accounted for using the equity method. [Refer: Investments accounted for using equity method]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

The amount of undrawn borrowing facilities that may be available for future operating activities and to settle capital commitments. [Refer: Capital commitments]

+ References

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- Definition

Liquid assets over liquid liabilities

+ References

No definition available.

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