Other Financial Liabilities (Details) - JPY (¥) ¥ in Millions	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Disclosure of financial liabilities [abstract]
Derivative financial instruments (Note 26)	¥ 20,524	¥ 16,528
Lease liabilities (Note 26)	594,520	573,325
Financial liabilities associated with programs to sell certain receivables	79,788	67,223
Financial liabilities associated with contingent consideration arrangements (Note 26)	3,185	4,362	¥ 7,772
Other	14,452	108,582
Total	712,469	770,020
Non-current	571,248	550,900
Current	¥ 141,220	¥ 219,120

The amount of contingent liabilities recognised in a business combination. [Refer: Classes of contingent liabilities [domain]; Total for all business combinations [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
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- Definition

The amount of financial liabilities classified as derivative instruments. [Refer: Financial assets; Derivatives [member]]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
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No definition available.

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- Definition

The amount of liabilities related to the entity's leases. Lease is a contract, or part of a contract, that conveys the right to use an underlying asset for a period of time in exchange for consideration.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
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-IssueDate 2025-01-01
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- Definition

The amount of current financial liabilities that the entity does not separately disclose in the same statement or note. [Refer: Other financial liabilities; Current financial liabilities]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
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-IssueDate 2025-01-01
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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The amount of financial liabilities that the entity does not separately disclose in the same statement or note. [Refer: Financial liabilities]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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The amount of non-current financial liabilities that the entity does not separately disclose in the same statement or note. [Refer: Other financial liabilities]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Financial Liabilities, Programs To Sell Certain Receivables

+ References

No definition available.

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- Definition

Other Financial Liabilities, Miscellaneous

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No definition available.

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