Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2023-04-04 |
As at 2022-04-04 |
As at 2021-04-04 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Intangible assets and goodwill [abstract] | |||
| Intangible assets and goodwill |
862,000,000
GBP
|
913,000,000
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 |
302,000,000
GBP
|
252,000,000
GBP
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash [abstract] | |||
| Cash |
25,635,000,000
GBP
|
30,221,000,000
GBP
|
— |
| Cash and cash equivalents |
25,955,000,000
GBP
|
30,824,000,000
GBP
|
17,705,000,000
GBP
|
| Miscellaneous assets [abstract] | |||
| Net defined benefit asset |
946,000,000
GBP
|
1,008,000,000
GBP
|
— |
| Derivative financial assets |
6,923,000,000
GBP
|
4,723,000,000
GBP
|
— |
| Investments other than investments accounted for using equity method |
27,615,000,000
GBP
|
25,484,000,000
GBP
|
— |
| Loans and advances | — | — | — |
| Loans and advances to banks |
2,860,000,000
GBP
|
3,052,000,000
GBP
|
— |
| Loans and advances to customers |
210,782,000,000
GBP
|
208,066,000,000
GBP
|
— |
| Other assets |
101,000,000
GBP
|
106,000,000
GBP
|
— |
| Trade and other payables [abstract] | |||
| Accruals and deferred income including contract liabilities [abstract] | |||
| Accruals and deferred income including contract liabilities |
334,000,000
GBP
|
299,000,000
GBP
|
— |
| Miscellaneous liabilities [abstract] | |||
| Derivative financial liabilities |
1,524,000,000
GBP
|
1,428,000,000
GBP
|
— |
| Deposit liabilities | — | — | — |
| Deposits from banks |
25,056,000,000
GBP
|
36,425,000,000
GBP
|
— |
| Deposits from customers [abstract] | |||
| Deposits from customers |
5,191,000,000
GBP
|
5,208,000,000
GBP
|
— |
| Subordinated liabilities [abstract] | |||
| Subordinated liabilities |
6,755,000,000
GBP
|
8,250,000,000
GBP
|
— |
| Debt instruments issued |
27,626,000,000
GBP
|
25,629,000,000
GBP
|
— |
| Other liabilities |
695,000,000
GBP
|
668,000,000
GBP
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Revaluation surplus |
38,000,000
GBP
|
46,000,000
GBP
|
— |
| Reserve of cash flow hedges |
176,000,000
GBP
|
184,000,000
GBP
|
— |
| Reserve of change in value of foreign currency basis spreads |
47,000,000
GBP
|
43,000,000
GBP
|
— |
| Miscellaneous equity [abstract] | |||
| Additional paid-in capital |
1,336,000,000
GBP
|
1,336,000,000
GBP
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
271,893,000,000
GBP
|
272,354,000,000
GBP
|
— |
| Liabilities |
254,987,000,000
GBP
|
256,655,000,000
GBP
|
— |
| Assets less current liabilities [abstract] |