v3.25.2
Subsidiaries - Summary of Major Consolidated Subsidiaries (Detail)
12 Months Ended
Mar. 31, 2025
Sony Interactive Entertainment Inc. [member]  
Disclosure of subsidiaries [line items]  
Name of company Sony Interactive Entertainment Inc.
Country of incorporation/residence Japan
Percentage owned 100.00%
Sony Music Entertainment (Japan) Inc. [member]  
Disclosure of subsidiaries [line items]  
Name of company Sony Music Entertainment (Japan) Inc.
Country of incorporation/residence Japan
Percentage owned 100.00%
Sony Corporation [member]  
Disclosure of subsidiaries [line items]  
Name of company Sony Corporation
Country of incorporation/residence Japan
Percentage owned 100.00%
Sony Global Manufacturing & Operations Corporation [member]  
Disclosure of subsidiaries [line items]  
Name of company Sony Global Manufacturing & Operations Corporation
Country of incorporation/residence Japan
Percentage owned 100.00%
Sony Network Communications Inc. [Member]  
Disclosure of subsidiaries [line items]  
Name of company Sony Network Communications Inc.
Country of incorporation/residence Japan
Percentage owned 100.00%
Sony Marketing Inc. [member]  
Disclosure of subsidiaries [line items]  
Name of company Sony Marketing Inc.
Country of incorporation/residence Japan
Percentage owned 100.00%
Sony Semiconductor Solutions Corporation [Member]  
Disclosure of subsidiaries [line items]  
Name of company Sony Semiconductor Solutions Corporation
Country of incorporation/residence Japan
Percentage owned 100.00%
Sony Semiconductor Manufacturing Corporation [member]  
Disclosure of subsidiaries [line items]  
Name of company Sony Semiconductor Manufacturing Corporation
Country of incorporation/residence Japan
Percentage owned 100.00%
Sony Storage Media Solutions Corporation [Member]  
Disclosure of subsidiaries [line items]  
Name of company Sony Storage Media Solutions Corporation [1]
Country of incorporation/residence Japan [1]
Percentage owned 100.00% [1]
Sony Financial Group Inc. [member]  
Disclosure of subsidiaries [line items]  
Name of company Sony Financial Group Inc.
Country of incorporation/residence Japan
Percentage owned 100.00%
Sony Life Insurance Co., Ltd. [member]  
Disclosure of subsidiaries [line items]  
Name of company Sony Life Insurance Co., Ltd.
Country of incorporation/residence Japan
Percentage owned 100.00%
Sony Bank Inc. [member]  
Disclosure of subsidiaries [line items]  
Name of company Sony Bank Inc.
Country of incorporation/residence Japan
Percentage owned 100.00%
Sony Assurance Inc. [Member]  
Disclosure of subsidiaries [line items]  
Name of company Sony Assurance Inc.
Country of incorporation/residence Japan
Percentage owned 100.00%
Sony Corporation of America [member]  
Disclosure of subsidiaries [line items]  
Name of company Sony Corporation of America
Country of incorporation/residence U.S.A.
Percentage owned 100.00%
Sony Interactive Entertainment LLC [member]  
Disclosure of subsidiaries [line items]  
Name of company Sony Interactive Entertainment LLC
Country of incorporation/residence U.S.A.
Percentage owned 100.00%
Sony Music Entertainment [member]  
Disclosure of subsidiaries [line items]  
Name of company Sony Music Entertainment
Country of incorporation/residence U.S.A.
Percentage owned 100.00%
Sony Music Publishing LLC [Member]  
Disclosure of subsidiaries [line items]  
Name of company Sony Music Publishing LLC
Country of incorporation/residence U.S.A.
Percentage owned 100.00%
Sony Pictures Entertainment Inc. [member]  
Disclosure of subsidiaries [line items]  
Name of company Sony Pictures Entertainment Inc.
Country of incorporation/residence U.S.A.
Percentage owned 100.00%
Sony Electronics Inc. [member]  
Disclosure of subsidiaries [line items]  
Name of company Sony Electronics Inc.
Country of incorporation/residence U.S.A.
Percentage owned 100.00%
Sony Interactive Entertainment Europe Limited [member]  
Disclosure of subsidiaries [line items]  
Name of company Sony Interactive Entertainment Europe Ltd.
Country of incorporation/residence U.K.
Percentage owned 100.00%
Sony Europe B.V. [member]  
Disclosure of subsidiaries [line items]  
Name of company Sony Europe B.V.
Country of incorporation/residence U.K.
Percentage owned 100.00%
Sony Global Treasury Services Plc [member]  
Disclosure of subsidiaries [line items]  
Name of company Sony Global Treasury Services Plc
Country of incorporation/residence U.K.
Percentage owned 100.00%
Sony Overseas Holding B.V. [member]  
Disclosure of subsidiaries [line items]  
Name of company Sony Overseas Holding B.V.
Country of incorporation/residence Netherlands
Percentage owned 100.00%
Sony (China) Limited [member]  
Disclosure of subsidiaries [line items]  
Name of company Sony (China) Limited
Country of incorporation/residence China
Percentage owned 100.00%
Sony EMCS (Malaysia) Sdn. Bhd. [Member]  
Disclosure of subsidiaries [line items]  
Name of company Sony EMCS (Malaysia) Sdn. Bhd.
Country of incorporation/residence Malaysia
Percentage owned 100.00%
Sony Electronics (Singapore) Pte. Ltd. [member]  
Disclosure of subsidiaries [line items]  
Name of company Sony Electronics (Singapore) Pte. Ltd.
Country of incorporation/residence Singapore
Percentage owned 100.00%
[1] The storage media business of Sony Storage Media Solutions Corporation was transferred to Sony Storage Media Manufacturing Corporation by way of an absorption-type split as of April 1, 2025, and Sony Storage Media Manufacturing Corporation changed its company name to Sony Storage Media Corporation.