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v3.23.3

Goodwill - Key assumptions for cash-generating units (Details) | Sep. 30, 2023 | Sep. 30, 2022
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Maximum |  |
Disclosure of information for cash-generating units [line items] |  |
Long-term growth rate of net operating cash flows | 2.00% | 2.00%
Western and Southern Europe |  |
Disclosure of information for cash-generating units [line items] |  |
Pre-tax WACC | 11.70% | 10.00%
Long-term growth rate of net operating cash flows | 2.00% | 1.80%
U.S. Commercial and State Government |  |
Disclosure of information for cash-generating units [line items] |  |
Pre-tax WACC | 11.90% | 10.60%
Long-term growth rate of net operating cash flows | 2.00% | 2.00%
Canada |  |
Disclosure of information for cash-generating units [line items] |  |
Pre-tax WACC | 11.00% | 10.70%
Long-term growth rate of net operating cash flows | 2.00% | 2.00%
U.S. Federal |  |
Disclosure of information for cash-generating units [line items] |  |
Pre-tax WACC | 10.30% | 9.20%
Long-term growth rate of net operating cash flows | 2.00% | 2.00%
Scandinavia and Central Europe |  |
Disclosure of information for cash-generating units [line items] |  |
Pre-tax WACC | 12.10% | 10.50%
Long-term growth rate of net operating cash flows | 2.00% | 2.00%
U.K. and Australia |  |
Disclosure of information for cash-generating units [line items] |  |
Pre-tax WACC | 13.70% | 10.60%
Long-term growth rate of net operating cash flows | 2.00% | 1.90%
Finland, Poland and Baltics |  |
Disclosure of information for cash-generating units [line items] |  |
Pre-tax WACC | 12.20% | 10.70%
Long-term growth rate of net operating cash flows | 2.00% | 2.00%
Northwest and Central-East Europe |  |
Disclosure of information for cash-generating units [line items] |  |
Pre-tax WACC | 12.10% | 10.70%
Long-term growth rate of net operating cash flows | 2.00% | 1.90%
Asia Pacific |  |
Disclosure of information for cash-generating units [line items] |  |
Pre-tax WACC | 20.30% | 19.20%
Long-term growth rate of net operating cash flows | 2.00% | 2.00%

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- Definition The discount rate applied to cash flow projections for a cash-generating unit (group of units). [Refer: Cash-generating units [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2023-01-01 -Paragraph 134 -Subparagraph d -Clause v -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2023-en-r&anchor=para_134_d_v&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2023-01-01 -Paragraph 134 -Subparagraph e -Clause v -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2023-en-r&anchor=para_134_e_v&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The growth rate used to extrapolate cash flow projections beyond the period covered by the most recent budgets/forecasts for a cash-generating unit (group of units). [Refer: Cash-generating units [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2023-01-01 -Paragraph 134 -Subparagraph d -Clause iv -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2023-en-r&anchor=para_134_d_iv&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2023-01-01 -Paragraph 134 -Subparagraph e -Clause iv -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2023-en-r&anchor=para_134_e_iv&doctype=Standard -URIDate 2023-03-23 + Details
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