Shares Issued and Outstanding (Detail) - Shares Issued and Outstanding - shares shares in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Shares Issued and Outstanding, in million [Line Items] | ||
| Shares issued (in shares) | 1,910.6 | 1,910.6 |
| Shares in treasury (in shares) | 31.5 | 7.7 |
| Of which: | ||
| Buyback (in shares) | 31.5 | 7.7 |
| Other (in shares) | 0.0 | 0.0 |
| Shares outstanding (in shares0 | 1,879.0 | 1,902.9 |
| X | ||||||||||
- Definition Shares Issued and Outstanding, in million [Line Items] No definition available.
|
| X | ||||||||||
- Definition of which [Abstract] No definition available.
|
| X | ||||||||||
- Definition Buyback, treasury shares No definition available.
|
| X | ||||||||||
- Definition Other, treasury shares No definition available.
|
| X | ||||||||||
- Definition The number of shares issued by the entity. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition The number of shares that have been authorised and issued, reduced by treasury shares held. [Refer: Treasury shares] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The number of shares in the entity held by the entity or by its subsidiaries or associates. [Refer: Total for all associates [member]; Total for all subsidiaries [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|