Statement Of Cash Flows [Abstract]
| Concept |
2022-01-01 to 2022-12-31 |
As at 2022-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||
| Cash flows from (used in) operating activities [abstract] | ||||
| Dividends received, classified as operating activities |
110,000,000
GBP
|
— |
122,000,000
GBP
|
— |
| Interest paid, classified as operating activities |
–
GBP
|
— |
1,000,000
GBP
|
— |
| Interest received, classified as operating activities |
38,000,000
GBP
|
— |
22,000,000
GBP
|
— |
| Income taxes paid (refund), classified as operating activities |
36,000,000
GBP
|
— |
22,000,000
GBP
|
— |
| Cash flows from (used in) operating activities |
110,000,000
GBP
|
— |
14,000,000
GBP
|
— |
| Cash flows from (used in) investing activities [abstract] | ||||
| Cash flows from losing control of subsidiaries or other businesses, classified as investing activities |
–
GBP
|
— |
112,000,000
GBP
|
— |
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities |
1, 378
GBP
|
— |
145,000,000
GBP
|
— |
| Purchase of property, plant and equipment, classified as investing activities |
21,000,000
GBP
|
— |
12,000,000
GBP
|
— |
| Purchase of intangible assets, classified as investing activities |
6,000,000
GBP
|
— |
–
GBP
|
— |
| Cash flows from (used in) investing activities |
86,000,000
GBP
|
— |
755,000,000
GBP
|
— |
| Cash flows from (used in) financing activities [abstract] | ||||
| Payments to acquire or redeem entity's shares |
30 2
GBP
|
— |
41,000,000
GBP
|
— |
| Dividends paid, classified as financing activities |
30 7
GBP
|
— |
308,000,000
GBP
|
— |
| Cash flows from (used in) financing activities |
76 1
GBP
|
— |
243,000,000
GBP
|
— |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes |
73 7
GBP
|
— |
526,000,000
GBP
|
— |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||
| Effect of exchange rate changes on cash and cash equivalents |
28,000,000
GBP
|
— |
9,000,000
GBP
|
— |
| Cash and cash equivalents | — |
1,13 3
GBP
|
— |
1,904,000,000
GBP
|