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Post-retirement benefit obligations- Loss/(gain) recognition (Details) - ZAR (R) R in Millions | 12 Months Ended
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Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2021
Disclosure of net defined benefit liability (asset) [line items] |  |  |
Loss/(gain) recognised in the income statement | R 2,240 | R 2,073 | R 1,897
Loss/(gain) recognised in other comprehensive income | (427) | (2,415) | (834)
Healthcare |  |  |
Disclosure of net defined benefit liability (asset) [line items] |  |  |
Loss/(gain) recognised in the income statement | 477 | 442 | 407
Loss/(gain) recognised in other comprehensive income | (222) | (131) | 201
Pension | Benefit obligation |  |  |
Disclosure of net defined benefit liability (asset) [line items] |  |  |
Loss/(gain) recognised in the income statement | 9,310 | 7,934 | 7,248
Loss/(gain) recognised in other comprehensive income | (1,835) | (3,184) | 5,715
Pension | Plan assets |  |  |
Disclosure of net defined benefit liability (asset) [line items] |  |  |
Loss/(gain) recognised in the income statement | (8,259) | (6,699) | (6,115)
Loss/(gain) recognised in other comprehensive income | 2,884 | (963) | (7,062)
Pension | Asset ceiling |  |  |
Disclosure of net defined benefit liability (asset) [line items] |  |  |
Loss/(gain) recognised in the income statement | 712 | 396 | 357
Loss/(gain) recognised in other comprehensive income | R (1,254) | R 1,863 | R 312

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- Definition The amount of other comprehensive income, before tax, related to gains (losses) on remeasurements of defined benefit plans, which comprise actuarial gains and losses; the return on plan assets, excluding amounts included in net interest on the net defined benefit liability (asset); and any change in the effect of the asset ceiling, excluding amounts included in net interest on the net defined benefit liability (asset). [Refer: Other comprehensive income; Defined benefit plans [member]; Plan assets [member]; Net defined benefit liability (asset)] [Contrast: Decrease (increase) in net defined benefit liability (asset) resulting from gain (loss) on remeasurement in other comprehensive income] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2022-03-24 -Paragraph 135 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2022-en-r&anchor=para_135_b&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 91 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_91_b&doctype=Standard -URIDate 2022-03-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 7 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_7&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of post-employment benefit expense included in profit or loss relating to defined benefit plans. [Refer: Profit (loss); Defined benefit plans [member]] [Contrast: Increase (decrease) in net defined benefit liability (asset) resulting from expense (income) in profit or loss] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2022-03-24 -Paragraph 5 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2022-en-r&anchor=para_5&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2022-03-24 -Paragraph 135 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2022-en-r&anchor=para_135_b&doctype=Standard -URIDate 2022-03-24 + Details
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