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v3.26.1

Issued capital (Details) - EUR (€) |  |  |  |  |  |  |  | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 23, 2025 | Jun. 03, 2025 | Dec. 20, 2024 | Jul. 01, 2024 | Feb. 05, 2024 | Jun. 30, 2023 | Mar. 21, 2023 | Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |
Capital stock |  |  |  |  |  |  |  | € 7,345,000,000 | € 7,576,000,000 | € 8,092,000,000 | € 8,397,000,000
Share capital (in shares) |  |  |  |  |  |  |  | 14,689,319,502 | 15,152,492,322 | 16,184,146,059 | 16,794,401,584
Nominal value per share (in euro per share) |  |  |  |  |  |  |  | € 0.50 | € 0.50 | € 0.50 | € 0.50
Reduction of issued capital |  |  |  |  |  |  |  | € 8,000,000 | € 93,000,000 | € 0 |
Purchase of treasury shares (in shares) |  |  |  |  |  |  |  | 584,363,745 | 930,610,636 |  |
Crest depositary interest, share equivalent (in shares) |  |  |  |  |  |  |  | 1 |  |  |
American depositary receipt, share equivalent (in shares) |  |  |  |  |  |  |  | 1 |  |  |
Percentage of equity interests held by significant shareholders, minimum threshold |  |  |  |  |  |  |  | 3.00% |  |  |
Percentage of equity interests held by a single shareholder residing in tax haven, minimum threshold |  |  |  |  |  |  |  | 1.00% |  |  |
Number of shares owned by third parties managed by Group management companies (in shares) |  |  |  |  |  |  |  | 33,000,000 | 40,000,000 | 36,000,000 |
Shares owned by third parties managed by Group management companies, percentage of share capital |  |  |  |  |  |  |  | 0.22% | 0.26% | 0.22% |
Shares owned by third parties and received as security (in shares) |  |  |  |  |  |  |  | 28,000,000 |  |  |
Shares owned by third parties received as security, percentage of share capital |  |  |  |  |  |  |  | 0.19% |  |  |
2023 Program |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |
Purchase of treasury shares (in shares) |  |  |  |  |  |  |  |  |  | 286,842,316 |
State Street Bank |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |
Percentage of equity interests held by significant shareholders |  |  |  |  |  |  |  | 13.90% |  |  |
Chase Nominees Limited |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |
Percentage of equity interests held by significant shareholders |  |  |  |  |  |  |  | 7.50% |  |  |
Bank of New York Mellon Corporation |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |
Percentage of equity interests held by significant shareholders |  |  |  |  |  |  |  | 7.18% |  |  |
Citibank |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |
Percentage of equity interests held by significant shareholders |  |  |  |  |  |  |  | 6.40% |  |  |
BNP Paribas |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |
Percentage of equity interests held by significant shareholders |  |  |  |  |  |  |  | 3.74% |  |  |
Caceis Bank |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |
Percentage of equity interests held by significant shareholders |  |  |  |  |  |  |  | 3.57% |  |  |
The Northern Trust |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |
Percentage of equity interests held by significant shareholders |  |  |  |  |  |  |  | 3.06% |  |  |
(-) Own shares |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |
Share capital (in shares) |  |  |  |  |  |  |  | 11,077,291 | 15,529,459 | 297,815,673 |
Reduction of issued capital | € 98,002,935 | € 133,583,475 | € 170,890,625 | € 165,652,500 | € 179,283,743.5 | € 134,924,476.5 | € 170,203,286 | € (3,287,000,000) | € (4,294,000,000) | € (1,900,000,000) |
Redemption of treasury shares, shares | 196,005,870 | 267,166,950 | 341,781,250 | 331,305,000 | 358,567,487 | 269,848,953 | 340,406,572 |  |  |  |

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