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Financial risk management and financial instruments - Derivatives Entered (Details) € in Millions, $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2023 USD ($) $ / bbl $ / gal MT R / $ $ / € MMBbls | Jun. 30, 2022 USD ($) $ / bbl $ / T R / $ MT $ / € MMBbls | Jun. 30, 2023 EUR (€) $ / bbl $ / gal MT R / $ $ / € MMBbls | Jun. 30, 2022 EUR (€) R / $ $ / bbl $ / T MT $ / € MMBbls
Crude oil put options purchased |  |  |  |
Financial risk management and financial instruments |  |  |  |
Number of barrels - open positions | 16.3 |  | 16.3 |
Number of barrels - settled |  | 10.0 |  | 10.0
Annual average floor price | $ / bbl | 49.4 |  | 49.4 |
Premium paid | $ | $ 42 | $ 0 |  |
Crude oil put options sold |  |  |  |
Financial risk management and financial instruments |  |  |  |
Number of barrels - settled |  | 10.0 |  | 10.0
Crude oil zero cost collar |  |  |  |
Financial risk management and financial instruments |  |  |  |
Number of barrels - open positions |  | 29.0 |  | 29.0
Number of barrels - settled | 29.0 | 24.0 | 29.0 | 24.0
Annual average floor price | $ / bbl |  | 63.3 |  | 63.3
Annual average cap price | $ / bbl |  | 96.6 |  | 96.6
Crude oil swap options |  |  |  |
Financial risk management and financial instruments |  |  |  |
Number of barrels - settled |  | 18.0 |  | 18.0
Crude oil futures |  |  |  |
Financial risk management and financial instruments |  |  |  |
Contract/Notional amount - open positions | $ | $ 2 | $ 1 |  |
Contract/Notional amount - settled | $ | $ 21 | $ 29 |  |
Annual average floor price | $ / bbl | 75.0 | 109.9 | 75.0 | 109.9
Ethane swap options |  |  |  |
Financial risk management and financial instruments |  |  |  |
Number of barrels - open positions | 3.6 |  | 3.6 |
Number of barrels - settled | 1.3 | 4.0 | 1.3 | 4.0
Annual average floor price | $ / gal | 0.301 |  | 0.301 |
Coal swap options |  |  |  |
Financial risk management and financial instruments |  |  |  |
Number of tons - open positions | MT |  | 0.4 |  | 0.4
Number of tons - settled | MT | 0.9 | 1.0 | 0.9 | 1.0
Annual average floor price | $ / T |  | 293.7 |  | 293.7
Forward exchange contracts | US Dollar |  |  |  |
Financial risk management and financial instruments |  |  |  |
Contract/Notional amount - open positions | $ | $ 836 | $ 334 |  |
Annual average floor price | R / $ | 18.61 | 16.24 | 18.61 | 16.24
Forward exchange contracts | Euro |  |  |  |
Financial risk management and financial instruments |  |  |  |
Contract/Notional amount - open positions | € |  |  | € 30 | € 70
Annual average floor price | $ / € | 1.10 | 1.07 | 1.10 | 1.07
Foreign exchange zero cost collars |  |  |  |
Financial risk management and financial instruments |  |  |  |
Contract/Notional amount - open positions | $ | $ 2,760 | $ 4,400 |  |
Contract/Notional amount - settled | $ | $ 4,400 | $ 3,900 |  |
Annual average floor price | R / $ | 16.72 | 15.04 | 16.72 | 15.04
Annual average cap price | R / $ | 20.71 | 18.06 | 20.71 | 18.06

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