v3.26.1
Earnings per shares (Details)
€ / shares in Units, € in Millions, shares in Millions
12 Months Ended
Mar. 31, 2026
$ / shares
Mar. 31, 2026
EUR (€)
€ / shares
shares
Mar. 31, 2025
$ / shares
Mar. 31, 2025
EUR (€)
€ / shares
shares
Mar. 31, 2024
EUR (€)
€ / shares
shares
Weighted average number of shares for diluted earnings per share          
Weighted average number of shares for basic earnings per share | shares   24,033   26,149 27,056
Effect of dilutive potential shares: Employee share schemes | shares   0   0 95
Weighted average number of shares for diluted earnings per share | shares   24,033   26,149 27,151
Profit earnings for basic and diluted earnings per share          
(Loss)/profit for earnings per share from continuing operations attributable to owners | €   € (289)   € (4,147) € 1,205
Loss for earnings per share from discontinued operations attributable to owners | €   (108)   (22) (65)
(Loss)/profit for basic and diluted earnings per share | €   € (397)   € (4,169) € 1,140
Basic earnings per share          
Basic (loss)/earnings per share from continuing operations | (per share) $ (0.012) € (0.012) $ (0.1586) € (0.1586) € 0.0445
Basic loss per share from discontinued operations | € / shares   (0.0045)   (0.0008) (0.0024)
Basic (loss)/earnings per share | (per share) (0.0165) (0.0165) (0.1594) (0.1594) 0.0421
Diluted earnings per share          
Diluted (loss)/earnings per share from continuing operations | (per share) (0.012) (0.012) (0.1586) (0.1586) 0.0444
Diluted loss per share from discontinued operations | € / shares   (0.0045)   (0.0008) (0.0024)
Diluted (loss)/earnings per share | (per share) $ (0.0165) € (0.0165) $ (0.1594) € (0.1594) € 0.042