Employee Benefits, Restructuring and Post-retirement Employee Benefits Provisions - Summary of Reconciliation of Employee Benefits, Restructuring and Post-retirement Employee Benefits (Detail) $ in Millions |
12 Months Ended |
|
Jun. 30, 2021
USD ($)
|
| Disclosure of employee benefits restructuring and post retirement employee benefits provisions [line items] |
|
| At the beginning of the financial year |
$ 1,894
|
| Charge/(credit) for the year: |
|
| Underlying |
1,509
|
| Discounting |
31
|
| Net interest expense |
(10)
|
| Exchange variations |
135
|
| Released during the year |
(128)
|
| Remeasurement gains taken to retained earnings |
(58)
|
| Utilisation |
(1,204)
|
| Transfers and other movements |
43
|
| At the end of the financial year |
2,212
|
| Employee benefits [member] |
|
| Disclosure of employee benefits restructuring and post retirement employee benefits provisions [line items] |
|
| At the beginning of the financial year |
1,313
|
| Charge/(credit) for the year: |
|
| Underlying |
1,402
|
| Exchange variations |
104
|
| Released during the year |
(82)
|
| Utilisation |
(1,119)
|
| Transfers and other movements |
6
|
| At the end of the financial year |
1,624
|
| Restructuring [member] |
|
| Disclosure of employee benefits restructuring and post retirement employee benefits provisions [line items] |
|
| At the beginning of the financial year |
34
|
| Charge/(credit) for the year: |
|
| Underlying |
45
|
| Exchange variations |
1
|
| Utilisation |
(26)
|
| At the end of the financial year |
54
|
| Post-retirement employee benefits [member] |
|
| Disclosure of employee benefits restructuring and post retirement employee benefits provisions [line items] |
|
| At the beginning of the financial year |
547
|
| Charge/(credit) for the year: |
|
| Underlying |
62
|
| Discounting |
31
|
| Net interest expense |
(10)
|
| Exchange variations |
30
|
| Released during the year |
(46)
|
| Remeasurement gains taken to retained earnings |
(58)
|
| Utilisation |
(59)
|
| Transfers and other movements |
37
|
| At the end of the financial year |
$ 534
|