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Long-term debt - Terms (Details) R in Millions, $ in Billions |  | 5 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Jan. 01, 2018 ZAR (R) | Apr. 30, 2018 ZAR (R) | Jun. 30, 2018 USD ($) | Jun. 30, 2018 ZAR (R) | Jun. 30, 2017 ZAR (R) | Jun. 30, 2016 ZAR (R)
Long-term debt |  |  |  |  |  |
Borrowing limit authorised |  |  |  | R 446,000 | R 423,000 |
Unamortised loan costs |  |  |  | (777) | (792) |
Total long-term debt |  |  |  | 109,454 | 81,405 | R 79,877
Short-term portion of long-term debt |  |  |  | (12,763) | (7,093) |
Long-term debt, non-current portion |  |  |  | 96,691 | 74,312 |
Air Liquide |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Capitalised finance lease | R 3,400 |  |  |  |  |
Lake Charles Chemicals Project |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Capitalised finance lease |  | R 1,800 |  |  |  |
Long-term debt |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Long-term debt, before unamortised costs |  |  |  | 110,231 | 82,197 |
Secured debt, preference shares and finance leases |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Long-term debt, before unamortised costs |  |  |  | 77,718 | 57,736 |
Secured Debt |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Long-term debt, before unamortised costs |  |  |  | 62,601 | 43,827 |
Secured Debt | Repayable in bi-annual instalments ending December 2021 |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Carrying value of assets under construction pledged as collateral |  |  |  | 140,912 | 101,039 |
Carrying value of other assets pledged as collateral |  |  |  | 24,368 | 17,294 |
Secured Debt | Repayable in bi-annual instalments ending December 2021 | US Dollar |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Percentage of LIBOR exposure hedged |  |  | 50.00% |  |  |
Secured Debt | Repayable in bi-annual instalments ending December 2021 | US Dollar | Variable |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Long-term debt, before unamortised costs |  |  |  | R 54,953 | 36,748 |
Secured Debt | Repayable in bi-annual instalments ending December 2021 | US Dollar | Variable | Libor |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Adjustment to interest rate basis |  |  | 2.25% | 2.25% |  |
Secured Debt | Repayable in quarterly instalments ending April 2021 |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Carrying value of property, plant and equipment pledged as collateral |  |  |  | R 4,551 | 4,593 |
Secured Debt | Repayable in quarterly instalments ending April 2021 | US Dollar | Variable |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Long-term debt, before unamortised costs |  |  |  | R 2,765 | 2,686 |
Secured Debt | Repayable in quarterly instalments ending April 2021 | US Dollar | Variable | Libor |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Adjustment to interest rate basis |  |  | 2.50% | 2.50% |  |
Secured Debt | Repayable in bi-annual instalments ending June 2022 |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Carrying value of property, plant and equipment pledged as collateral |  |  |  | R 5,415 | 5,888 |
Secured Debt | Repayable in bi-annual instalments ending June 2022 | Rand | Variable |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Long-term debt, before unamortised costs |  |  |  | R 3,473 | 4,148 |
Secured Debt | Repayable in bi-annual instalments ending June 2022 | Rand | Variable | Jibar |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Adjustment to interest rate basis |  |  | 1.75% | 1.75% |  |
Secured Debt | Repayable in bi-annual instalments ending February 2030 |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Carrying value of other assets pledged as collateral |  |  |  | R 1,443 |  |
Secured Debt | Repayable in bi-annual instalments ending February 2030 | US Dollar | Variable |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Long-term debt, before unamortised costs |  |  |  | R 1,183 |  |
Secured Debt | Repayable in bi-annual instalments ending February 2030 | US Dollar | Variable | Jibar |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Adjustment to interest rate basis |  |  | 5.50% | 5.50% |  |
Secured Debt | Other secured debt |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Long-term debt, before unamortised costs |  |  |  | R 227 | 245 |
Preference shares |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Long-term debt, before unamortised costs |  |  |  | R 7,493 | 12,045 |
Preference shares | A preference shares | Rand | Fixed |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Interest rate |  |  | 11.10% | 11.10% |  |
Long-term debt, before unamortised costs |  |  |  | R 828 | 1,471 |
Preference shares | B preference shares | Rand | Fixed |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Interest rate |  |  | 13.30% | 13.30% |  |
Long-term debt, before unamortised costs |  |  |  | R 789 | 1,164 |
Preference shares | C preference shares | Rand | Variable |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Long-term debt, before unamortised costs |  |  |  | R 5,822 | 9,247 |
Preference shares | C preference shares | Rand | Variable | Prime |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Percentage of prime |  |  | 68.00% | 68.00% |  |
Preference shares | A preference shares secured by preference shares held in Sasol Mining | Rand | Fixed |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Interest rate |  |  | 10.00% | 10.00% |  |
Long-term debt, before unamortised costs |  |  |  | R 54 | 163 |
Finance leases |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Long-term debt, before unamortised costs |  |  |  | 7,624 | 1,864 |
Finance leases | Finance leases repayable in monthly instalments over 15 to 40 years ending December 2056 |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Carrying value of property, plant and equipment pledged as collateral |  |  |  | 7,541 | 1,955 |
Long-term debt, before unamortised costs |  |  |  | R 7,521 | 1,730 |
Finance leases | Finance leases repayable in monthly instalments over 15 to 40 years ending December 2056 | Variable | Minimum |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Interest rate |  |  | 8.20% | 8.20% |  |
Finance leases | Finance leases repayable in monthly instalments over 15 to 40 years ending December 2056 | Variable | Maximum |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Interest rate |  |  | 13.30% | 13.30% |  |
Finance leases | Finance leases repayable in monthly instalments over 15 to 40 years ending December 2056 | Fixed | Minimum |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Interest rate |  |  | 4.00% | 4.00% |  |
Finance leases | Finance leases repayable in monthly instalments over 15 to 40 years ending December 2056 | Fixed | Maximum |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Interest rate |  |  | 16.60% | 16.60% |  |
Finance leases | Other finance leases |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Long-term debt, before unamortised costs |  |  |  | R 103 | 134 |
Unsecured debt |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Long-term debt, before unamortised costs |  |  |  | 32,513 | 24,461 |
Unsecured debt | Unsecured debt, due June 2029 |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Long-term debt, before unamortised costs |  |  |  | 1,567 | 1,773 |
Unsecured debt | Unsecured debt, repayable July 2018 | Canada, Dollars |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Long-term debt, before unamortised costs |  |  |  | R 784 | 755 |
Unsecured debt | Unsecured debt, various repayment terms | Rand | Fixed |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Interest rate |  |  | 8.00% | 8.00% |  |
Long-term debt, before unamortised costs |  |  |  | R 523 | 397 |
Unsecured debt | Unsecured debt, various repayment terms from December 2018 to November 2024 | US Dollar |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Long-term debt, before unamortised costs |  |  |  | 29,014 | 20,336 |
Amount of bond pledged as collateral |  |  | $ 1 | R 13,000 |  |
Unsecured debt | Unsecured debt, various repayment terms from December 2018 to November 2024 | US Dollar | Libor | Minimum |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Adjustment to interest rate basis |  |  | 1.00% | 1.00% |  |
Unsecured debt | Unsecured debt, various repayment terms from December 2018 to November 2024 | US Dollar | Libor | Maximum |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Adjustment to interest rate basis |  |  | 1.50% | 1.50% |  |
Unsecured debt | Unsecured debt, various repayment terms from December 2018 to November 2024 | US Dollar | Fixed |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Interest rate |  |  | 4.50% | 4.50% |  |
Unsecured debt | Unsecured debt, repayable ending December 2018 | Rand | Variable |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Long-term debt, before unamortised costs |  |  |  | R 625 | R 1,200 |
Unsecured debt | Unsecured debt, repayable ending December 2018 | Rand | Variable | Jibar |  |  |  |  |  |
Long-term debt |  |  |  |  |  |
Adjustment to interest rate basis |  |  | 1.25% | 1.25% |  |

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