Statement Of Cash Flows [Abstract]
| Concept |
2022-04-01 to 2023-03-31 |
2021-04-01 to 2022-03-31 |
|---|---|---|
| Statement of cash flows [abstract] | ||
| Cash flows from (used in) operating activities [abstract] | ||
| Adjustments for finance income (cost) |
61,000,000
GBP
|
60,000,000
GBP
|
| Adjustments for decrease (increase) in trade and other receivables |
102,000,000
GBP
|
588,000,000
GBP
|
| Adjustments for increase (decrease) in trade and other payables |
4,000,000
GBP
|
783,000,000
GBP
|
| Adjustments for increase (decrease) in employee benefit liabilities |
21,000,000
GBP
|
2,000,000
GBP
|
| Adjustments for amortisation expense |
36,000,000
GBP
|
39,000,000
GBP
|
| Adjustments for depreciation expense |
151,000,000
GBP
|
151,000,000
GBP
|
| Adjustments for gain (loss) on disposal of investments in subsidiaries, joint ventures and associates |
23,000,000
GBP
|
106,000,000
GBP
|
| Cash flows from (used in) investing activities [abstract] | ||
| Purchase of investments other than investments accounted for using equity method |
17,000,000
GBP
|
–
GBP
|
| Cash flows from (used in) financing activities [abstract] | ||
| Dividends paid to equity holders of parent, classified as financing activities |
141,000,000
GBP
|
139,000,000
GBP
|