Discontinued Operations - Summary Of Disclosure of Condensed Cash Flow Statement For Discontinued Operations Explanatory (Detail) - EUR (€) € in Millions	6 Months Ended
Jun. 30, 2026	Dec. 31, 2025
Cash flows from continuing and discontinued operations [abstract]
Net cash inflow (outflow) from operating activities	€ 114	€ 81
Net cash inflow (outflow) from investing activities	(2)	(6)
Net cash inflow (outflow) from financing activities	(76)	(69)
Net cash inflow (outflow) from discontinued operations	€ 35	€ 5

No definition available.

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- Definition

The cash flows from (used in) the entity's financing activities, related to discontinued operations. [Refer: Discontinued operations [member]; Cash flows from (used in) financing activities]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 5
-IssueDate 2025-01-01
-Paragraph 33
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=5&code=ifrs-tx-2025-en-r&anchor=para_33_c&doctype=Standard
-URIDate 2025-03-27

+ Details

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- Definition

The cash flows from (used in) the entity's investing activities, related to discontinued operations. [Refer: Discontinued operations [member]; Cash flows from (used in) investing activities]

+ References

+ Details

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- Definition

The cash flows from (used in) the entity's operating activities, related to discontinued operations. [Refer: Discontinued operations [member]; Cash flows from (used in) operating activities]

+ References

+ Details

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- Definition

The increase (decrease) in cash and cash equivalents from discontinued operations. [Refer: Cash and cash equivalents; Discontinued operations [member]]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 5
-IssueDate 2025-01-01
-Paragraph 33
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=5&code=ifrs-tx-2025-en-r&anchor=para_33_c&doctype=Standard
-URIDate 2025-03-27

+ Details

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