Deferred Prosecution Agreement, Term

No definition available.

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- Definition

Other operating expenses.

+ References

No definition available.

+ Details

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- Definition

The amount of additional other provisions made. [Refer: Other provisions]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 37
-IssueDate 2024-01-01
-Paragraph 84
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2024-en-r&anchor=para_84_b&doctype=Standard
-URIDate 2024-03-27

+ Details

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Balance Type:	credit
Period Type:	duration

- Definition

Adjustments for increase (decrease) in trade and other payables to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Trade and other payables; Profit (loss)]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 7
-IssueDate 2024-01-01
-Paragraph 20
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2024-en-r&anchor=para_20&doctype=Standard
-URIDate 2024-03-27

+ Details

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Balance Type:	debit
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- Definition

The amount of current trade payables and current other payables. [Refer: Current trade payables; Other current payables]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 54
-Subparagraph k
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_54_k&doctype=Standard
-URIDate 2024-03-27

+ Details

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

- Details

Name:	ifrs-full_ItemsOfContingentLiabilitiesAxis=bti_DOJOFACInvestigationMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

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Other operating expenses - Charges in respect of DOJ and OFAC investigations - Additional Information (Details) £ in Millions, $ in Millions		6 Months Ended		12 Months Ended
	Apr. 25, 2023 USD ($)	Jun. 30, 2024 GBP (£)	Jun. 30, 2024 USD ($)	Dec. 31, 2024 GBP (£)	Dec. 31, 2023 GBP (£)	Dec. 31, 2022 GBP (£)	Dec. 31, 2022 USD ($)	Dec. 31, 2024 USD ($)
Other Operating Expenses [Line Items]
Trade and other payables				£ 9,550	£ 9,700
Increase in trade and other payables				58	640	£ 3
DOJ & OFAC investigation
Other Operating Expenses [Line Items]
Agreement term	3 years
Trade and other payables \| $	$ 635							$ 635
Increase in trade and other payables		£ (263)	$ (326)	£ 4	75
DOJ & OFAC investigation
Other Operating Expenses [Line Items]
Other provisions					£ 75	£ 450	$ 540