Analysis Of Income And Expense [Abstract]
| Concept |
2022-04-03 to 2023-04-01 |
2022-04-03 to 2023-04-01 |
2022-04-03 to 2023-04-01 |
2022-04-03 to 2023-04-01 |
2022-04-03 to 2023-04-01 |
2022-04-03 to 2023-04-01 |
2022-04-03 to 2023-04-01 |
2021-03-28 to 2022-04-02 |
2021-03-28 to 2022-04-02 |
2021-03-28 to 2022-04-02 |
2021-03-28 to 2022-04-02 |
2021-03-28 to 2022-04-02 |
2021-03-28 to 2022-04-02 |
2021-03-28 to 2022-04-02 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||||||
| Revenue [abstract] | ||||||||||||||
| Revenue | — | — | — | — |
3,094,000,000
GBP
|
— | — | — |
2,826,000,000
GBP
|
— | — | — | — | — |
| Material income and expense [abstract] | ||||||||||||||
| Finance income (cost) | — | — | — | — |
23,000,000
GBP
|
— | — | — |
32,000,000
GBP
|
— | — | — | — | — |
| Other finance cost | — | — | — | — |
2,000,000
GBP
|
— | — | — |
1,000,000
GBP
|
— | — | — | — | — |
| Other operating income (expense) | — | — | — | — |
1,526,000,000
GBP
|
— | — | — |
1 ,468
GBP
|
— | — | — | — | — |
| Miscellaneous other operating income | — | — | — | — |
46,000,000
GBP
|
— | — | — |
30,000,000
GBP
|
— | — | — | — | — |
| Operating expense | — | — | — | — |
1,572,000,000
GBP
|
— | — | — |
1,498,000,000
GBP
|
— | — | — | — | — |
| Miscellaneous other comprehensive income [abstract] | ||||||||||||||
| 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 |
1 4
GBP
|
14,000,000
GBP
|
–
GBP
|
–
GBP
|
14,000,000
GBP
|
–
GBP
|
–
GBP
|
22,000,000
GBP
|
22,000,000
GBP
|
22,000,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||
| Comprehensive income |
14,000,000
GBP
|
504,000,000
GBP
|
2,000,000
GBP
|
–
GBP
|
506,000,000
GBP
|
4 90
GBP
|
–
GBP
|
41 7
GBP
|
418,000,000
GBP
|
21,000,000
GBP
|
–
GBP
|
396,000,000
GBP
|
–
GBP
|
1,000,000
GBP
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — |
504,000,000
GBP
|
— | — | — |
417,000,000
GBP
|
— | — | — | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — | — |
2,000,000
GBP
|
— | — | — |
1,000,000
GBP
|
— | — | — | — | — |