Leases - Maturity profile of lease liabilities (Details) - EUR (€) € in Millions |
Mar. 31, 2026 |
Mar. 31, 2025 |
|---|---|---|
| Leases | ||
| Undiscounted lease liability | € 14,734 | € 12,869 |
| Effect of discounting | (2,346) | (2,043) |
| Lease liability | 12,388 | 10,826 |
| Committed future lease contracts not yet commenced | ||
| Leases | ||
| Undiscounted lease liability | 2,349 | 1,464 |
| Committed future lease contracts not yet commenced | Vantage Towers AG | ||
| Leases | ||
| Undiscounted lease liability | 1,386 | 1,102 |
| Within one year | ||
| Leases | ||
| Undiscounted lease liability | 3,241 | 2,765 |
| In more than one year but less than two years | ||
| Leases | ||
| Undiscounted lease liability | 2,546 | 2,081 |
| In more than two years but less than three years | ||
| Leases | ||
| Undiscounted lease liability | 1,972 | 1,756 |
| In more than three years but less than four years | ||
| Leases | ||
| Undiscounted lease liability | 1,441 | 1,434 |
| In more than four years but less than five years | ||
| Leases | ||
| Undiscounted lease liability | 1,269 | 965 |
| In more than five years | ||
| Leases | ||
| Undiscounted lease liability | € 4,265 | € 3,868 |