v3.26.1
Significant Events - Summary of Financial Impacts of Samarco Dam Failure (Detail) - USD ($)
$ in Millions
 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Income statement      
Other income $ 514 $ 368 $ 1,285
Expenses excluding net finance costs:      
Costs incurred directly by BHP Brasil and other BHP entities in relation to the Samarco dam failure (35,979) (32,319) (36,750)
Profit/(loss) from equity accounted investments, related impairments and expenses:      
Fair value change on forward exchange derivatives [1] (130) 58 (84)
Loss from operations (2,771) (776) [2] (6,094) [2]
Net finance costs (1,455) (1,111) (1,489)
Loss before taxation (3,371) (1,234) (6,600)
Income tax expense (9,388) (7,210) (6,447)
Loss after taxation (3,371) (1,138) (5,763)
Balance sheet movement      
Trade and other receivables (841) 776 (290)
Trade and other payables (880) 116 27
Cash flow statement      
Loss before taxation (3,371) (1,234) (6,600)
Adjustments for:      
Fair value change on forward exchange derivatives [1] 130 (58) 84
Proceeds Settlements From Cash Management Related Instruments 96 195 361
Net finance costs 1,455 1,111 1,489
Changes in assets and liabilities:      
Trade and other receivables 841 (776) 290
Trade and other payables 880 (116) (27)
Net operating cash flows 21,778 18,692 20,665
Net investing cash flows (12,011) (13,350) (8,762)
Net increase/(decrease) in cash and cash equivalents 6,487 (629) 234
Samarco dam failure      
Income statement      
Other income [3] 64 0 0
Expenses excluding net finance costs:      
Costs incurred directly by BHP Brasil and other BHP entities in relation to the Samarco dam failure [4] (215) (211) (139)
Profit/(loss) from equity accounted investments, related impairments and expenses:      
Samarco dam failure provision [5] (778) (659) (2,833)
Fair value change on forward exchange derivatives [6] 458 414 (199)
Loss from operations (471) (456) (3,171)
Net finance costs [7] (600) (458) (506)
Loss before taxation (1,071) (914) (3,677)
Income tax expense [8] 0 0 (85)
Loss after taxation (1,071) [9] (914) [10] (3,762) [11]
Balance sheet movement      
Other financial assets/(liabilities) [12] 12 441 (280)
Trade and other receivables 29 0 0
Trade and other payables (14) 29 (4)
Tax liabilities 0 0 (85)
Provisions 652 656 (2,824)
Net decrease/(increase) in liabilities 679 1,126 (3,193)
Cash flow statement      
Loss before taxation (1,071) (914) (3,677)
Adjustments for:      
Samarco dam failure provision [5] 778 659 2,833
Fair value change on forward exchange derivatives [6] (458) (414) 199
Proceeds Settlements From Cash Management Related Instruments 455 (17) 218
Net finance costs [7] 600 458 506
Changes in assets and liabilities:      
Trade and other receivables (29) 0 0
Trade and other payables 14 (29) 4
Net operating cash flows 289 (257) 83
Net investment and funding of equity accounted investments [13] (2,030) (1,773) (640)
Net investing cash flows (2,030) (1,773) (640)
Net increase/(decrease) in cash and cash equivalents $ (1,741) $ (2,030) $ (557)
[1] Fair value change on derivatives is principally related to commodity price contracts, foreign exchange contracts and embedded derivatives used in the ordinary course of business as well as derivatives used as part of the funding of dividends.
[2] Exceptional items reported in Group and unallocated include proceeds from insurance settlements of US$64 million (2025: US$ nil; 2024: US$ nil) and costs of US$170 million (2025: US$135 million; 2024: US$105 million) in relation to Samarco dam failure. Refer to note 3 'Exceptional items' for further information.
[3] Proceeds from insurance settlements.
[4] Includes legal and advisor costs incurred.
[5] US$575 million (2025: US$540 million; 2024: US$3,700 million) change in estimate and US$203 million (2025: US$119 million; 2024: US$(867) million) exchange translation.
[6] The Group enters into forward exchange contracts to limit the Brazilian reais exposure on the dam failure provision. While not applying hedge accounting, the fair value changes in the forward exchange instruments are recorded within Profit/(loss) from equity accounted investments, related impairments and expenses in the Income Statement.
[7] Amortisation of discounting of provision.
[8] Includes tax on forward exchange derivatives and other taxes incurred during the period.
[9] Refer to note 4 'Significant events – Samarco dam failure' for further information.
[10] Refer to note 4 'Significant events – Samarco dam failure' for further information.
[11] Refer to note 4 'Significant events – Samarco dam failure' for further information.
[12] Includes forward exchange contracts described in 4 above, and Senior notes issued by Samarco as part of its Judicial Reorganisation in September 2023.
[13] Includes US$2,030 million utilisation of the Samarco dam failure provision including payments under the Brazil Settlement Agreement ratified on 6 November 2024 (2025: US$1,773 million). FY2024 comprises utilisation of the Samarco dam failure provision US$515 million and US$125 million provided to Samarco following approval of the Judicial Reorganisation.