Net Debt - Summary of Maturity Profile of Financial Liabilities Based on the Contractual Amounts (Detail) - USD ($)
$ in Millions |
Jun. 30, 2021 |
Jun. 30, 2020 |
| Disclosure of financial liabilities [line items] |
|
|
| Bank loans, debentures and other loans, contractual amount |
$ 15,863
|
$ 21,631
|
| Expected future interest payments, contractual amount |
7,018
|
7,596
|
| Derivatives related to debentures, contractual amount |
1,169
|
2,134
|
| Other derivatives, contractual amount |
786
|
60
|
| Obligations under lease liabilities, contractual amount |
4,899
|
3,935
|
| Total, contractual amount |
36,586
|
40,979
|
| Bank loans, debentures and other loans, carrying amount |
17,087
|
23,605
|
| Derivatives related to debentures, carrying amount |
586
|
1,579
|
| Other derivatives, carrying amount |
690
|
60
|
| Obligations under lease liabilities, carrying amount |
3,896
|
3,443
|
| Trade and other payables, carrying amount |
6,851
|
5,623
|
| Total financial liabilities |
29,110
|
34,310
|
| Due not later than one year [member] |
|
|
| Disclosure of financial liabilities [line items] |
|
|
| Bank loans, debentures and other loans, contractual amount |
1,722
|
4,138
|
| Expected future interest payments, contractual amount |
729
|
813
|
| Derivatives related to debentures, contractual amount |
61
|
260
|
| Other derivatives, contractual amount |
149
|
60
|
| Obligations under lease liabilities, contractual amount |
980
|
927
|
| Total, contractual amount |
10,492
|
11,820
|
| Trade and other payables, carrying amount |
6,851
|
5,622
|
| Later than one year and not later than two years [member] |
|
|
| Disclosure of financial liabilities [line items] |
|
|
| Bank loans, debentures and other loans, contractual amount |
2,278
|
1,665
|
| Expected future interest payments, contractual amount |
661
|
702
|
| Derivatives related to debentures, contractual amount |
267
|
81
|
| Other derivatives, contractual amount |
80
|
|
| Obligations under lease liabilities, contractual amount |
680
|
630
|
| Total, contractual amount |
3,966
|
3,079
|
| Trade and other payables, carrying amount |
|
1
|
| Later than two years and not later than five years [member] |
|
|
| Disclosure of financial liabilities [line items] |
|
|
| Bank loans, debentures and other loans, contractual amount |
4,062
|
5,727
|
| Expected future interest payments, contractual amount |
1,492
|
1,713
|
| Derivatives related to debentures, contractual amount |
256
|
819
|
| Other derivatives, contractual amount |
240
|
|
| Obligations under lease liabilities, contractual amount |
1,397
|
1,335
|
| Total, contractual amount |
7,447
|
9,594
|
| Due later than five years [member] |
|
|
| Disclosure of financial liabilities [line items] |
|
|
| Bank loans, debentures and other loans, contractual amount |
7,801
|
10,101
|
| Expected future interest payments, contractual amount |
4,136
|
4,368
|
| Derivatives related to debentures, contractual amount |
585
|
974
|
| Other derivatives, contractual amount |
317
|
|
| Obligations under lease liabilities, contractual amount |
1,842
|
1,043
|
| Total, contractual amount |
$ 14,681
|
$ 16,486
|