Statement Of Cash Flows [Abstract]
| Concept |
2023-10-01 to 2024-09-30 |
2022-10-01 to 2023-09-30 |
|---|---|---|
| Statement of cash flows [abstract] | ||
| Cash flows from (used in) operating activities [abstract] | ||
| Adjustments for dividend income |
9,000,000
GBP
|
7,000,000
GBP
|
| Cash flows from (used in) operations before changes in working capital |
4,095,000,000
GBP
|
4,066,000,000
GBP
|
| Increase (decrease) in working capital |
100,000,000
GBP
|
347,000,000
GBP
|
| Adjustments for decrease (increase) in trade and other receivables |
318,000,000
GBP
|
46,000,000
GBP
|
| Adjustments for increase (decrease) in trade and other payables |
213,000,000
GBP
|
158,000,000
GBP
|
| Adjustments for increase (decrease) in employee benefit liabilities |
45,000,000
GBP
|
29,000,000
GBP
|
| Adjustments for depreciation and amortisation expense and impairment loss (reversal of impairment loss) recognised in profit or loss |
647,000,000
GBP
|
632,000,000
GBP
|
| Adjustments for gain (loss) on disposal of investments in subsidiaries, joint ventures and associates |
–
GBP
|
1,000,000
GBP
|
| Cash flows from (used in) investing activities [abstract] | ||
| Proceeds from disposal of non-current assets or disposal groups classified as held for sale and discontinued operations |
50,000,000
GBP
|
71,000,000
GBP
|
| Cash flows from (used in) financing activities [abstract] | ||
| Dividends paid to equity holders of parent, classified as financing activities |
1,299,000,000
GBP
|
1,312,000,000
GBP
|
| Dividends paid to non-controlling interests, classified as financing activities |
136,000,000
GBP
|
104,000,000
GBP
|