Statement Of Financial Position [Abstract]
| Concept |
As at 2024-09-14 |
As at 2024-09-14 |
As at 2024-09-14 |
As at 2024-09-14 |
As at 2024-09-14 |
As at 2024-09-14 |
As at 2024-09-14 |
As at 2024-09-14 |
As at 2023-09-16 |
As at 2023-09-16 |
As at 2023-09-16 |
As at 2023-09-16 |
As at 2023-09-16 |
As at 2023-09-16 |
As at 2023-09-16 |
As at 2023-09-16 |
As at 2022-09-17 |
As at 2022-09-17 |
As at 2022-09-17 |
As at 2022-09-17 |
As at 2022-09-17 |
As at 2022-09-17 |
As at 2022-09-17 |
As at 2022-09-17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||||||||
| Property, plant and equipment |
6,098,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
5,674,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets |
2,255,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
2,335,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Investment property |
105,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
107,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other non-current receivables |
30,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
63,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
223,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
193,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax assets, non-current |
–
GBP
|
— | — | — | — | — | — | — | — | — |
23,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets |
12,494,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
12,105,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||||||||
| Current inventories |
2,942,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
3,207,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other current receivables |
1,697,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
1,778,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax assets, current |
102,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
102,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current biological assets |
94,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
99,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
1,323,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
1,457,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets |
6,520,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
6,739,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets |
19,014,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
18,844,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||
| Issued capital |
42,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
44,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
11,395,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
10,910,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves |
177,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
179,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
11,186,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
11,093,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
92,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
100,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
11,278,000,000
GBP
|
92,000,000
GBP
|
383,000,000
GBP
|
177,000,000
GBP
|
11,395,000,000
GBP
|
45,000,000
GBP
|
42,000,000
GBP
|
11,186,000,000
GBP
|
2,000,000
GBP
|
42,000,000
GBP
|
11,193,000,000
GBP
|
11,093,000,000
GBP
|
10,910,000,000
GBP
|
100,000,000
GBP
|
179,000,000
GBP
|
44,000,000
GBP
|
11,554,000,000
GBP
|
178,000,000
GBP
|
45,000,000
GBP
|
154,000,000
GBP
|
422,000,000
GBP
|
10,649,000,000
GBP
|
106,000,000
GBP
|
11,448,000,000
GBP
|
| Liabilities [abstract] | ||||||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||||||
| Non-current provisions [abstract] | ||||||||||||||||||||||||
| Non-current provisions |
60,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
48,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities |
682,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
626,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities |
4,068,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
3,962,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||||||||
| Current provisions [abstract] | ||||||||||||||||||||||||
| Current provisions |
78,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
55,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other current payables |
2,934,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
2,953,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities |
3,668,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
3,689,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities |
7,736,000,000
GBP
|
— | — | — | — | — | — | — | — | — |
7,651,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — |