XML 270 R90.htm IDEA: XBRL DOCUMENT v3.20.2
Significant Events - Summary of Financial Impacts of Samarco Dam Failure (Detail) - USD ($)
$ in Millions
 12 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2018
Income statement      
Other income $ 777 $ 393 $ 247
Expenses excluding net finance costs:      
Costs incurred directly by BHP Brasil and other BHP entities in relation to the Samarco dam failure (28,775) (28,022) (27,527)
Loss from equity accounted investments, related impairments and expenses:      
Samarco impairment expense (494) (264) (333)
Profit/(loss) from operations (1,453) (952) (566)
Net finance costs (911) (1,064) (1,245)
Loss before taxation (1,546) (1,060) (650)
Income tax benefit 241 242 (2,320)
Loss after taxation (1,305) (818) (2,970)
Balance sheet movement      
Trade and other payables 755 (406) (719)
Cash flow statement      
Loss before taxation (1,546) (1,060) (650)
Adjustments for:      
Samarco impairment expense 494 264 333
Net finance costs 911 1,064 1,245
Changes in assets and liabilities:      
Trade and other payables (755) 406 719
Net operating cash flows 15,706 17,871 18,461
Net investing cash flows (7,616) 2,607 (5,921)
Net decrease in cash and cash equivalents (1,662) (10,495) 1,650
Samarco dam failure [member]      
Income statement      
Other income 489 50  
Expenses excluding net finance costs:      
Costs incurred directly by BHP Brasil and other BHP entities in relation to the Samarco dam failure (64) (57) (57)
Loss from equity accounted investments, related impairments and expenses:      
Samarco impairment expense (95) (96) (80)
Samarco Germano dam decommissioning 46 (263)  
Samarco dam failure provision (459) (586) (429)
Profit/(loss) from operations (83) (952) (566)
Net finance costs (93) (108) (84)
Loss before taxation (176) (1,060) (650)
Income tax benefit 0 0 0
Loss after taxation (176) (1,060) (650)
Balance sheet movement      
Trade and other payables (5) 4 4
Provisions (137) (629) (228)
Net liabilities (142) (625) (224)
Cash flow statement      
Loss before taxation (176) (1,060) (650)
Adjustments for:      
Samarco impairment expense 95 96 80
Samarco Germano dam decommissioning (46) 263  
Samarco dam failure provision 459 586 429
Net finance costs 93 108 84
Changes in assets and liabilities:      
Trade and other payables 5 (4) (4)
Net operating cash flows 430 (11) (61)
Net investment and funding of equity accounted investments (464) (424) (365)
Net investing cash flows (464) (424) (365)
Net decrease in cash and cash equivalents $ (34) $ (435) $ (426)