v3.25.1
Revenue disaggregation and segmental analysis - Segmental assets (Details) - EUR (€)
€ in Millions
 12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2023
Disclosure of operating segments [line items]      
Non-current assets € 64,150 € 67,351 € 85,199
Capital additions 6,893 6,412 8,665
Right-of-use asset additions 4,656 3,103 7,387
Other additions to intangible assets 236 283 439
Depreciation and amortisation on owned assets 10,804 10,414 10,255
Impairment reversal/(loss) 4,515 (64) 64
Common Functions      
Disclosure of operating segments [line items]      
Non-current assets 2,281 1,972 2,013
Capital additions 1,142 782 839
Right-of-use asset additions 212 203 127
Other additions to intangible assets 0 0 0
Depreciation and amortisation on owned assets 1,078 970 993
Impairment reversal/(loss) 0 0 0
Germany      
Disclosure of operating segments [line items]      
Non-current assets 37,621 42,931 43,878
Capital additions 2,482 2,565 2,701
Right-of-use asset additions 1,127 1,045 2,145
Other additions to intangible assets 0 0 2
Depreciation and amortisation on owned assets 4,536 4,543 4,154
Impairment reversal/(loss) 4,350 0 0
Italy      
Disclosure of operating segments [line items]      
Non-current assets     10,235
Capital additions     833
Right-of-use asset additions     916
Other additions to intangible assets     5
Depreciation and amortisation on owned assets     0
Impairment reversal/(loss)     0
UK      
Disclosure of operating segments [line items]      
Non-current assets 7,904 6,863 6,629
Capital additions 926 878 892
Right-of-use asset additions 2,157 957 1,639
Other additions to intangible assets 48 0 0
Depreciation and amortisation on owned assets 1,908 1,733 1,562
Impairment reversal/(loss) 0 0 0
Spain      
Disclosure of operating segments [line items]      
Non-current assets     6,331
Capital additions     565
Right-of-use asset additions     742
Other additions to intangible assets     8
Depreciation and amortisation on owned assets     0
Impairment reversal/(loss)     0
Other Europe      
Disclosure of operating segments [line items]      
Non-current assets 7,304 7,564 7,815
Capital additions 857 862 927
Right-of-use asset additions 474 442 1,104
Other additions to intangible assets 26 0 151
Depreciation and amortisation on owned assets 1,472 1,447 1,363
Impairment reversal/(loss) 165 0 0
Turkey      
Disclosure of operating segments [line items]      
Non-current assets 2,059 1,644 1,502
Capital additions 447 320 235
Right-of-use asset additions 187 160 150
Other additions to intangible assets 0 120 9
Depreciation and amortisation on owned assets 681 537 546
Impairment reversal/(loss) 0 (64) 64
Africa      
Disclosure of operating segments [line items]      
Non-current assets 6,981 6,377 6,796
Capital additions 1,039 1,005 1,122
Right-of-use asset additions 499 296 246
Other additions to intangible assets 162 163 264
Depreciation and amortisation on owned assets 1,129 1,184 1,311
Impairment reversal/(loss) € 0 € 0 0
Vantage Towers      
Disclosure of operating segments [line items]      
Non-current assets     0
Capital additions     551
Right-of-use asset additions     318
Other additions to intangible assets     0
Depreciation and amortisation on owned assets     326
Impairment reversal/(loss)     € 0