Financial Instruments - Schedule of Hedging Instruments Balances (Details) - JPY (¥) ¥ in Millions	Mar. 31, 2025	Mar. 31, 2024
Interest rate swaps
Disclosure of detailed information about hedging instruments [line items]
Reserve of cash flow hedges, continuing hedges	¥ 1,010	¥ 4,063
Forward interest rate
Disclosure of detailed information about hedging instruments [line items]
Reserve of cash flow hedges, continuing hedges	(15,795)	(19,283)
Cross currency interest rate swaps
Disclosure of detailed information about hedging instruments [line items]
Reserve of exchange differences on translation, continuing hedges	(53,627)	(52,236)
Balance in hedge cost reserve	(7,967)	(15,930)
Hedge related to acquisition
Disclosure of detailed information about hedging instruments [line items]
Reserve of exchange differences on translation, continuing hedges	3,560	3,560
Foreign currency denominated bonds and loans
Disclosure of detailed information about hedging instruments [line items]
Reserve of exchange differences on translation, continuing hedges	324,759	344,866
Forward exchange contracts
Disclosure of detailed information about hedging instruments [line items]
Reserve of exchange differences on translation, continuing hedges	¥ 203,262	¥ 189,796

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

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- Definition

A component of equity representing the reserve of cash flow hedges in relation to continuing hedges. [Refer: Reserve of cash flow hedges]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2024-01-01
-Paragraph 24B
-Subparagraph b
-Clause ii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_24B_b_ii&doctype=Standard
-URIDate 2024-03-27

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- Definition

A component of equity representing the reserve of exchange differences on translation in relation to continuing hedges. [Refer: Reserve of exchange differences on translation]

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Balance In Hedge Cost Of Exchange Differences On Translation, Continuing Hedges

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