Other Equity - Summary of Financial Information Relating to Subsidiaries with Non-controlling Interests (Detail) - USD ($)
$ in Millions |
12 Months Ended |
Jun. 30, 2021 |
Jun. 30, 2020 |
Jun. 30, 2019 |
| Disclosure of significant subsidiaries [line items] |
|
|
|
| Current assets |
$ 26,693
|
$ 21,471
|
|
| Non-current assets |
82,234
|
84,262
|
|
| Current liabilities |
(16,403)
|
(14,824)
|
|
| Non-current liabilities |
(36,919)
|
(38,734)
|
|
| Net assets |
55,605
|
52,175
|
|
| Net assets attributable to NCI |
4,341
|
4,310
|
|
| Revenue |
60,817
|
42,931
|
$ 44,288
|
| Profit after taxation |
13,451
|
8,736
|
9,185
|
| Other comprehensive income |
59
|
(69)
|
(25)
|
| Total comprehensive income |
13,510
|
8,667
|
9,160
|
| Profit after taxation attributable to NCI |
2,147
|
780
|
879
|
| Net operating cash flow |
27,234
|
15,706
|
17,871
|
| Net investing cash flow |
(7,845)
|
(7,616)
|
2,607
|
| Net financing cash flow |
$ (17,922)
|
$ (9,752)
|
$ (20,528)
|
| Minera Escondida Limitada [member] |
|
|
|
| Disclosure of significant subsidiaries [line items] |
|
|
|
| Group share (per cent) |
57.50%
|
57.50%
|
|
| Current assets |
$ 2,996
|
$ 2,432
|
|
| Non-current assets |
11,867
|
12,121
|
|
| Current liabilities |
(1,912)
|
(1,614)
|
|
| Non-current liabilities |
(4,733)
|
(4,613)
|
|
| Net assets |
8,218
|
8,326
|
|
| Net assets attributable to NCI |
3,493
|
3,539
|
|
| Revenue |
9,470
|
6,719
|
|
| Profit after taxation |
3,605
|
1,088
|
|
| Other comprehensive income |
27
|
(27)
|
|
| Total comprehensive income |
3,632
|
1,061
|
|
| Profit after taxation attributable to NCI |
1,532
|
462
|
|
| Other comprehensive income attributable to NCI |
11
|
(11)
|
|
| Net operating cash flow |
5,007
|
2,637
|
|
| Net investing cash flow |
(655)
|
(919)
|
|
| Net financing cash flow |
(4,001)
|
(1,920)
|
|
| Dividends paid to NCI |
1,590
|
757
|
|
| Other individually immaterial subsidiaries [member] |
|
|
|
| Disclosure of significant subsidiaries [line items] |
|
|
|
| Net assets attributable to NCI |
848
|
771
|
|
| Profit after taxation attributable to NCI |
615
|
318
|
|
| Dividends paid to NCI |
537
|
286
|
|
| Subsidiaries with material non-controlling interests [member] |
|
|
|
| Disclosure of significant subsidiaries [line items] |
|
|
|
| Net assets attributable to NCI |
4,341
|
4,310
|
|
| Profit after taxation attributable to NCI |
2,147
|
780
|
|
| Other comprehensive income attributable to NCI |
11
|
(11)
|
|
| Dividends paid to NCI |
$ 2,127
|
$ 1,043
|
|