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Exceptional items - Schedule of exceptional cash flows (Details) - GBP (£) £ in Millions | 12 Months Ended
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Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2021
Disclosure Of Exceptional Items [Line Items] |  |  |
Net cash inflow from operating activities | £ 3,024 | £ 3,935 | £ 3,654
Thalidomide |  |  |
Disclosure Of Exceptional Items [Line Items] |  |  |
Net cash inflow from operating activities | (14) | (16) | (15)
Winding down Russian operations |  |  |
Disclosure Of Exceptional Items [Line Items] |  |  |
Net cash inflow from operating activities | (13) | (13) | 0
Supply Chain Agility Programme |  |  |
Disclosure Of Exceptional Items [Line Items] |  |  |
Net cash inflow from operating activities | (12) | 0 | 0
Donations |  |  |
Disclosure Of Exceptional Items [Line Items] |  |  |
Net cash inflow from operating activities | 0 | (37) | (50)
Indirect tax in Korea |  |  |
Disclosure Of Exceptional Items [Line Items] |  |  |
Net cash inflow from operating activities | 0 | 0 | (10)
Ongoing litigation in Turkey |  |  |
Disclosure Of Exceptional Items [Line Items] |  |  |
Net cash inflow from operating activities | 0 | 0 | (1)
Substitution drawback |  |  |
Disclosure Of Exceptional Items [Line Items] |  |  |
Net cash inflow from operating activities | 0 | 0 | 60
Total cash payments |  |  |
Disclosure Of Exceptional Items [Line Items] |  |  |
Net cash inflow from operating activities | £ (39) | £ (66) | £ (16)

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- Definition The cash flows from (used in) operating activities, which are the principal revenue-producing activities of the entity and other activities that are not investing or financing activities. [Refer: Revenue] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2022-03-24 -Paragraph 10 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_10&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2022-03-24 -Paragraph 50 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_50_d&doctype=Standard -URIDate 2022-03-24 + Details
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