Statement Of Cash Flows [Abstract]
| Concept |
2021-04-01 to 2022-03-31 |
2020-04-01 to 2021-03-31 |
|---|---|---|
| Statement of cash flows [abstract] | ||
| Cash flows from (used in) operating activities [abstract] | ||
| Adjustments for finance income (cost) |
60,000,000
GBP
|
85,000,000
GBP
|
| Adjustments for decrease (increase) in trade and other receivables |
588,000,000
GBP
|
430,000,000
GBP
|
| Adjustments for increase (decrease) in trade and other payables |
7 83
GBP
|
607,000,000
GBP
|
| Adjustments for increase (decrease) in employee benefit liabilities |
2,000,000
GBP
|
7,000,000
GBP
|
| Adjustments for amortisation expense |
39,000,000
GBP
|
32,000,000
GBP
|
| Adjustments for depreciation expense |
151,000,000
GBP
|
158,000,000
GBP
|
| Adjustments for gain (loss) on disposal of investments in subsidiaries, joint ventures and associates |
106,000,000
GBP
|
1,000,000
GBP
|
| Cash flows from (used in) financing activities [abstract] | ||
| Dividends paid to equity holders of parent, classified as financing activities |
139,000,000
GBP
|
99,000,000
GBP
|