Equity - Total Number of Shares Authorized and Issued (Parenthetical) (Detail) - JPY (¥) ¥ in Millions	Feb. 27, 2026	Feb. 29, 2024
Equity [abstract]
Cancellation of treasury stock	¥ 747,000,000	¥ 154,285,290

The amount of treasury stock cancelled during the period. [Refer: Treasury shares]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
-Paragraph 106
-Subparagraph d
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_106_d&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_CancellationOfTreasuryShares
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration