Analysis Of Income And Expense [Abstract]
| Concept |
2023-09-17 to 2024-09-14 |
2023-09-17 to 2024-09-14 |
2023-09-17 to 2024-09-14 |
2023-09-17 to 2024-09-14 |
2023-09-17 to 2024-09-14 |
2023-09-17 to 2024-09-14 |
2023-09-17 to 2024-09-14 |
2023-09-17 to 2024-09-14 |
2022-09-18 to 2023-09-16 |
2022-09-18 to 2023-09-16 |
2022-09-18 to 2023-09-16 |
2022-09-18 to 2023-09-16 |
2022-09-18 to 2023-09-16 |
2022-09-18 to 2023-09-16 |
2022-09-18 to 2023-09-16 |
2022-09-18 to 2023-09-16 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||||
| Revenue [abstract] | ||||||||||||||||
| Revenue |
20,073,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
19,750,000,000
GBP
|
— | — | — | — |
| Material income and expense [abstract] | ||||||||||||||||
| Gains (losses) on disposals of non-current assets [abstract] | ||||||||||||||||
| Gains (losses) on disposals of non-current assets |
16,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
28,000,000
GBP
|
— | — | — | — |
| Finance income (cost) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other finance income (cost) |
23,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
40,000,000
GBP
|
— | — | — | — |
| Miscellaneous other comprehensive income [abstract] | ||||||||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract] | ||||||||||||||||
| Other comprehensive income, net of tax, hedges of net investments in foreign operations | — | — | — | — | — | — | — | — |
–
GBP
|
1,000,000
GBP
|
–
GBP
|
1,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
1,000,000
GBP
|
| Other comprehensive income, before tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract] | ||||||||||||||||
| Other comprehensive income, before tax, exchange differences on translation of foreign operations |
349,000,000
GBP
|
–
GBP
|
329,000,000
GBP
|
–
GBP
|
–
GBP
|
329,000,000
GBP
|
–
GBP
|
20,000,000
GBP
|
–
GBP
|
448,000,000
GBP
|
22,000,000
GBP
|
470,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
448,000,000
GBP
|
| Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract] | ||||||||||||||||
| Share of profit (loss) of associates and joint ventures accounted for using equity method |
117,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
124,000,000
GBP
|
— | — | — | — |
| Share of other comprehensive income of associates and joint ventures accounted for using equity method, net of tax [abstract] | ||||||||||||||||
| Share of other comprehensive income of associates and joint ventures accounted for using equity method that will be reclassified to profit or loss, net of tax |
10,000,000
GBP
|
–
GBP
|
10,000,000
GBP
|
–
GBP
|
–
GBP
|
10,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
18,000,000
GBP
|
–
GBP
|
18,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
18,000,000
GBP
|
| Income tax relating to components of other comprehensive income [abstract] | ||||||||||||||||
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss |
1,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
–
GBP
|
— | — | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income |
1,164,000,000
GBP
|
38,000,000
GBP
|
341,000,000
GBP
|
4,000,000
GBP
|
–
GBP
|
1,159,000,000
GBP
|
1,542,000,000
GBP
|
5,000,000
GBP
|
1,081,000,000
GBP
|
397,000,000
GBP
|
2,000,000
GBP
|
399,000,000
GBP
|
–
GBP
|
–
GBP
|
220,000,000
GBP
|
464,000,000
GBP
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income, attributable to owners of parent |
1,159,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
397,000,000
GBP
|
— | — | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income, attributable to non-controlling interests |
5,000,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
2,000,000
GBP
|
— | — | — | — |