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Post-retirement benefit obligations- Loss/(gain) recognition (Details) - ZAR (R) R in Millions	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Disclosure of net defined benefit liability (asset) [line items]
Loss/(gain) recognised in the income statement	R 2,073	R 1,897	R 2,302
Loss/(gain) recognised in other comprehensive income	(2,415)	(834)	147
Healthcare
Disclosure of net defined benefit liability (asset) [line items]
Loss/(gain) recognised in the income statement	442	407	467
Loss/(gain) recognised in other comprehensive income	(131)	201	(1,040)
Pension | Benefit obligation
Disclosure of net defined benefit liability (asset) [line items]
Loss/(gain) recognised in the income statement	7,934	7,248	7,073
Loss/(gain) recognised in other comprehensive income	(3,184)	5,715	(6,921)
Pension | Plan assets
Disclosure of net defined benefit liability (asset) [line items]
Loss/(gain) recognised in the income statement	(6,699)	(6,115)	(5,470)
Loss/(gain) recognised in other comprehensive income	(963)	(7,062)	7,507
Pension | Asset ceiling
Disclosure of net defined benefit liability (asset) [line items]
Loss/(gain) recognised in the income statement	396	357	232
Loss/(gain) recognised in other comprehensive income	R 1,863	R 312	R 601

X

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

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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

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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

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