Statement Of Cash Flows [Abstract]
| Concept |
2022-01-01 to 2022-12-31 |
2021-01-01 to 2021-12-31 |
|---|---|---|
| Statement of cash flows [abstract] | ||
| Cash flows from (used in) operating activities [abstract] | ||
| Adjustments for finance income (cost) |
395,000,000
GBP
|
279,000,000
GBP
|
| Adjustments for decrease (increase) in trade and other receivables |
1, 0 69
GBP
|
610,000,000
GBP
|
| Adjustments for increase (decrease) in trade and other payables |
1, 4 85
GBP
|
615,000,000
GBP
|
| Adjustments for increase (decrease) in employee benefit liabilities |
1,000,000
GBP
|
1 8
GBP
|
| Adjustments for depreciation and amortisation expense and impairment loss (reversal of impairment loss) recognised in profit or loss |
767,000,000
GBP
|
720,000,000
GBP
|
| Adjustments for gain (loss) on disposal of investments in subsidiaries, joint ventures and associates |
93,000,000
GBP
|
15 8
GBP
|
| Adjustments for undistributed profits of investments accounted for using equity method |
18 0
GBP
|
13 9
GBP
|
| Income taxes paid, classified as operating activities |
365,000,000
GBP
|
23 4
GBP
|
| Cash flows from (used in) investing activities [abstract] | ||
| Purchase of interests in investments accounted for using equity method |
–
GBP
|
3,000,000
GBP
|
| Purchase of investments other than investments accounted for using equity method |
8,000,000
GBP
|
15,000,000
GBP
|
| Proceeds from sales of investments other than investments accounted for using equity method |
7,000,000
GBP
|
–
GBP
|
| Cash flows from (used in) financing activities [abstract] | ||
| Dividends paid to equity holders of parent, classified as financing activities |
80 2
GBP
|
777,000,000
GBP
|
| Dividends paid to non-controlling interests, classified as financing activities |
16 6
GBP
|
20 2
GBP
|