Other Assets and Receivables - Summary of Accrued Income (Detail) - EUR (€) € in Millions	Dec. 31, 2022	Dec. 31, 2021
Disclosure Of Other Assets And Receivables [abstract]
Accrued interest	€ 842	€ 1,363
Other	1	3
Accrued income	843	1,366
Current	842	1,366
Non-current	€ 0	€ 0

The amount of accruals classified as non-current. [Refer: Accruals]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2022-03-24
-Paragraph 78
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_78&doctype=Standard
-URIDate 2022-03-24

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant