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Financial risk management and financial instruments - Interest Rate Swap (Details) - ZAR (R) R in Millions | 12 Months Ended
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Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2017
Financial risk management and financial instruments |  |  |  |
Fair value loss recognised in other comprehensive income | [1] | R (287) | R 1,233 | R 1,821
Recognised in profit and loss |  | (2,465) | (3,876) | 649
Loss recognised in other comprehensive income |  | 1,400 | 286 | 302
Gain on reclassification from cash flow hedge reserve to profit and loss |  | 1,115 |  |
Interest rate swaps |  |  |  |
Financial risk management and financial instruments |  |  |  |
Recognised in profit and loss |  | R (1,475) | 52 | R 14
Interest rate swaps | Mozambique |  |  |  |
Financial risk management and financial instruments |  |  |  |
Average fixed rate |  | 2.80% |  |
Recognised in profit and loss |  | R 10 |  |
Interest rate swaps | Cash flow hedge | North America |  |  |  |
Financial risk management and financial instruments |  |  |  |
Average fixed rate |  | 2.78% |  |
Fair value loss recognised in other comprehensive income |  | R (285) | (950) |
Recognised in profit and loss |  | (1,485) | R 52 |
Loss recognised in other comprehensive income |  | 1,400 |  |
Gain on reclassification from cash flow hedge reserve to profit and loss |  | R 1,115 |  |
[1] | These amounts include the loss of R1 400 million (2018 - R286 million; 2017 - R302 million) on the revaluation of the cash flow hedge pertaining to the interest rate swap and a gain of R1 115 million relating to the reclassification of the swap to profit and loss on termination of the hedge relationship.

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- Definition The gains (losses) recognised in other comprehensive income on cash flow hedges, before tax. [Refer: Cash flow hedges [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 91 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_91_b&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2021-01-01 -Name IFRS -Number 7 -IssueDate 2018-01-01 -Paragraph 23 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-02&anchor=para_23_c&doctype=Standard&book=b -URIDate 2018-03-16 + Details
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