v3.25.2
Operating Segment and Revenue Information - Schedule of Geographic Information (Details) - JPY (¥)
¥ in Millions
12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2023
Disclosure of geographical areas [line items]      
Revenue from contracts with customers ¥ 4,581,551 ¥ 4,263,762 ¥ 4,027,478
Non-current assets 10,975,135 11,698,327  
Japan      
Disclosure of geographical areas [line items]      
Revenue from contracts with customers 418,462 451,391 512,043
Non-current assets 317,089 366,276  
U.S.      
Disclosure of geographical areas [line items]      
Revenue from contracts with customers 2,379,651 2,195,711 2,103,772
Non-current assets 7,654,971 8,223,949  
Europe and Canada      
Disclosure of geographical areas [line items]      
Revenue from contracts with customers 1,055,252 966,835 842,668
Latin America      
Disclosure of geographical areas [line items]      
Revenue from contracts with customers 235,848 198,100 160,375
China      
Disclosure of geographical areas [line items]      
Revenue from contracts with customers 191,740 174,844 150,973
Asia (excluding Japan & China)      
Disclosure of geographical areas [line items]      
Revenue from contracts with customers 99,392 86,375 74,033
Russia/CIS      
Disclosure of geographical areas [line items]      
Revenue from contracts with customers 72,356 72,594 88,431
Ireland      
Disclosure of geographical areas [line items]      
Non-current assets 872,944 885,496  
Switzerland      
Disclosure of geographical areas [line items]      
Non-current assets 799,783 860,795  
Other      
Disclosure of geographical areas [line items]      
Revenue from contracts with customers 128,849 117,911 ¥ 95,182
Non-current assets ¥ 1,330,348 ¥ 1,361,811