Consolidated Statements of Financial Position (Parenthetical) - JPY (¥) ¥ in Millions	Mar. 31, 2022	Mar. 31, 2021	Apr. 01, 2020
Statement of financial position [abstract]
Assets pledged that secured parties are permitted to sell or repledge amount current	¥ 94,147	¥ 98,119	¥ 54,745
Assets pledged that secured parties are permitted to sell or repledge amount noncurrent	¥ 2,700,603	¥ 1,853,736	¥ 1,059,901

The amount of non-current non-cash collateral assets (such as debt or equity instruments) provided to a transferee, for which the transferee has the right by contract or custom to sell or repledge the collateral.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 9
-IssueDate 2021-01-01
-Paragraph 3.2.23
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=9&code=ifrs-tx-2021-en-r&anchor=para_3.2.23_a&doctype=Standard
-URIDate 2021-03-24

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2023-01-01
-Name IAS
-Number 39
-IssueDate 2021-01-01
-Paragraph 37
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=39&code=ifrs-tx-2017-en-b&anchor=para_37_a&doctype=Standard&book=b
-URIDate 2021-03-24

Name:	ifrs-full_NoncurrentNoncashAssetsPledgedAsCollateralForWhichTransfereeHasRightByContractOrCustomToSellOrRepledgeCollateral
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant