v3.26.1
Business segment information - Summary of components of segment sales (Detail) - JPY (¥)
¥ in Millions
 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Disclosure of operating segments [line items]      
Total sales ¥ 12,479,620 ¥ 12,034,917 ¥ 11,260,037
Game & Network Services [member] | Operating segments [member]      
Disclosure of operating segments [line items]      
Total sales 4,685,651 4,670,044 4,267,734
Music [member] | Operating segments [member]      
Disclosure of operating segments [line items]      
Total sales 2,120,110 1,842,604 1,618,958
Pictures [member] | Operating segments [member]      
Disclosure of operating segments [line items]      
Total sales 1,499,290 1,505,944 1,493,050
Entertainment, Technology & Services [member] | Operating segments [member]      
Disclosure of operating segments [line items]      
Total sales 2,260,532 2,409,275 2,453,718
Imaging & Sensing Solutions [member] | Operating segments [member]      
Disclosure of operating segments [line items]      
Total sales 2,151,533 1,799,005 1,602,738
All Other [member]      
Disclosure of operating segments [line items]      
Total sales 89,072 96,333 89,370
Corporate and elimination [member]      
Disclosure of operating segments [line items]      
Total sales (326,568) (288,288) (265,531)
Customer [member] | Game & Network Services [member] | Operating segments [member]      
Disclosure of operating segments [line items]      
Total sales 4,570,053 4,543,571 4,172,994
Customer [member] | Music [member] | Operating segments [member]      
Disclosure of operating segments [line items]      
Total sales 2,090,534 1,820,263 1,594,955
Customer [member] | Pictures [member] | Operating segments [member]      
Disclosure of operating segments [line items]      
Total sales 1,486,296 1,498,534 1,486,717
Customer [member] | Entertainment, Technology & Services [member] | Operating segments [member]      
Disclosure of operating segments [line items]      
Total sales 2,184,815 2,362,838 2,414,946
Customer [member] | Imaging & Sensing Solutions [member] | Operating segments [member]      
Disclosure of operating segments [line items]      
Total sales 2,059,020 1,712,534 1,503,906
Customer [member] | All Other [member]      
Disclosure of operating segments [line items]      
Total sales 74,564 82,477 75,784
Intersegment [member] | Game & Network Services [member] | Operating segments [member]      
Disclosure of operating segments [line items]      
Total sales 115,598 126,473 94,740
Intersegment [member] | Music [member] | Operating segments [member]      
Disclosure of operating segments [line items]      
Total sales 29,576 22,341 24,003
Intersegment [member] | Pictures [member] | Operating segments [member]      
Disclosure of operating segments [line items]      
Total sales 12,994 7,410 6,333
Intersegment [member] | Entertainment, Technology & Services [member] | Operating segments [member]      
Disclosure of operating segments [line items]      
Total sales 75,717 46,437 38,772
Intersegment [member] | Imaging & Sensing Solutions [member] | Operating segments [member]      
Disclosure of operating segments [line items]      
Total sales 92,513 86,471 98,832
Intersegment [member] | All Other [member]      
Disclosure of operating segments [line items]      
Total sales ¥ 14,508 ¥ 13,856 ¥ 13,586