Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2024-04-04 |
As at 2023-04-04 |
As at 2022-04-04 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Intangible assets and goodwill [abstract] | |||
| Intangible assets and goodwill |
848,000,000
GBP
|
862,000,000
GBP
|
— |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements [abstract] | |||
| Investments in subsidiaries reported in separate financial statements |
-
GBP
|
-
GBP
|
— |
| Prepayments and accrued income including contract assets [abstract] | |||
| Prepayments and accrued income including contract assets |
294,000,000
GBP
|
302,000,000
GBP
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash [abstract] | |||
| Cash |
23,817,000,000
GBP
|
25,635,000,000
GBP
|
— |
| Cash and cash equivalents |
24,491,000,000
GBP
|
25,955,000,000
GBP
|
30,824,000,000
GBP
|
| Miscellaneous assets [abstract] | |||
| Net defined benefit asset |
607,000,000
GBP
|
946,000,000
GBP
|
— |
| Derivative financial assets |
6,290,000,000
GBP
|
6,923,000,000
GBP
|
— |
| Investments other than investments accounted for using equity method |
26,532,000,000
GBP
|
27,615,000,000
GBP
|
— |
| Loans and advances | — | — | — |
| Loans and advances to banks |
2,478,000,000
GBP
|
2,860,000,000
GBP
|
— |
| Loans and advances to customers |
213,440,000,000
GBP
|
210,782,000,000
GBP
|
— |
| Other assets |
122,000,000
GBP
|
101,000,000
GBP
|
— |
| Trade and other payables [abstract] | |||
| Accruals and deferred income including contract liabilities [abstract] | |||
| Accruals and deferred income including contract liabilities |
405,000,000
GBP
|
334,000,000
GBP
|
— |
| Miscellaneous liabilities [abstract] | |||
| Derivative financial liabilities |
1,451,000,000
GBP
|
1,524,000,000
GBP
|
— |
| Deposit liabilities | — | — | — |
| Deposits from banks |
16,388,000,000
GBP
|
25,056,000,000
GBP
|
— |
| Deposits from customers [abstract] | |||
| Deposits from customers |
4,530,000,000
GBP
|
5,191,000,000
GBP
|
— |
| Subordinated liabilities [abstract] | |||
| Subordinated liabilities |
7,225,000,000
GBP
|
6,755,000,000
GBP
|
— |
| Debt instruments issued |
29,599,000,000
GBP
|
27,626,000,000
GBP
|
— |
| Other liabilities |
689,000,000
GBP
|
695,000,000
GBP
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Revaluation surplus |
36,000,000
GBP
|
38,000,000
GBP
|
— |
| Reserve of cash flow hedges |
127,000,000
GBP
|
176,000,000
GBP
|
— |
| Reserve of change in value of foreign currency basis spreads |
51,000,000
GBP
|
47,000,000
GBP
|
— |
| Miscellaneous equity [abstract] | |||
| Additional paid-in capital |
1,336,000,000
GBP
|
1,336,000,000
GBP
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
271,917,000,000
GBP
|
271,893,000,000
GBP
|
— |
| Liabilities |
254,231,000,000
GBP
|
254,987,000,000
GBP
|
— |
| Assets less current liabilities [abstract] |