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Equity - Schedule of monthly breakdown of shares purchased and the average price paid per share (Details) - Treasury shares purchased during the year - $ / shares |  | 1 Months Ended | 12 Months Ended
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Sep. 30, 2023 | Jun. 30, 2024 | May 31, 2024 | Apr. 30, 2024 | Mar. 31, 2024 | Feb. 29, 2024 | Jan. 31, 2024 | Dec. 31, 2023 | Nov. 30, 2023 | Oct. 31, 2023 | Sep. 28, 2023 | Aug. 31, 2023 | Jul. 31, 2023 | Jun. 30, 2024
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average price paid pence (in USD per share) | $ 0 | $ 0 | $ 34.40 | $ 35.42 | $ 36.85 | $ 37.37 | $ 35.04 | $ 35.72 | $ 36.71 | $ 37.68 | $ 0 | $ 0 | $ 0 | $ 36.44
Authorised purchases unutilised at month end (in shares) | 224,704,974 | 197,261,649 | 197,261,649 | 197,528,925 | 202,004,403 | 207,900,487 | 208,240,275 | 211,568,636 | 214,089,832 | 218,486,775 | 196,247,438 | 196,247,438 | 196,247,438 | 197,261,649
Share buyback programme |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares purchased under share buyback programme (in shares) | 0 | 0 | 267,276 | 4,475,478 | 5,896,084 | 339,788 | 3,328,361 | 2,521,196 | 4,396,943 | 6,218,199 | 0 | 0 | 0 | 27,443,325
Total number of shares purchased (in shares) | 0 | 0 | 267,276 | 4,475,478 | 5,896,084 | 339,788 | 3,328,361 | 2,521,196 | 4,396,943 | 6,218,199 | 0 | 0 | 0 | 27,443,325

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- Definition The number of share purchases authorised but not yet utilised at month-end. + References No definition available. + Details
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- Definition Purchase Of Treasury Shares, Shares + References No definition available. + Details
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- Definition Weighted Average Share Price Per Share + References No definition available. + Details
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- Definition The increase (decrease) in the number of shares outstanding. [Refer: Number of shares outstanding] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 79 -Subparagraph a -Clause iv -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_79_a_iv&doctype=Standard -URIDate 2023-03-23 + Details
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- Details
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- Details
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