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Financial instruments: valuation - Movement in Level 3 portfolios - Liabilities (Details) - GBP (£) £ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Derivatives |  |
Fair value of liabilities |  |
Financial liabilities at beginning of period | £ 94,047 |
Financial liabilities at end of period | 72,395 | £ 94,047
Financial liabilities (other) |  |
Fair value of liabilities |  |
Financial liabilities at beginning of period | 49,107 |
Financial liabilities at end of period | 55,089 | 49,107
Level 3 | Other operating income and interest income | Other financial instruments |  |
Fair value of liabilities |  |
Gains Losses Recognised In Profit Or Loss Fair Value measurement Assets and Liabilities | 1 | (14)
Level 3 | Income from trading activities | Trading assets and liabilities |  |
Fair value of liabilities |  |
Gains Losses Recognised In Profit Or Loss Fair Value measurement Assets and Liabilities | 69 | (224)
Recurring fair value measurement | Level 3 |  |
Fair value of liabilities |  |
Financial liabilities at beginning of period | 976 | 609
Amounts recorded in the income statement | (313) | 381
Amount recorded in the statement of comprehensive income | 0 |
Level 3 transfers in | 9 | 81
Level 3 transfers out | (11) | (64)
Purchases/Originations | 200 | 382
Settlements/Other decreases | (51) | (41)
Sales | (116) | (378)
Foreign exchange and other adjustments | (3) | 6
Amounts recorded in the income statement in respect of balances held at period end - unrealised | (121) | 381
Financial liabilities at end of period | 691 | 976
Recurring fair value measurement | Level 3 | Derivatives |  |
Fair value of liabilities |  |
Financial liabilities at beginning of period | 975 | 606
Amounts recorded in the income statement | (313) | 382
Amount recorded in the statement of comprehensive income | 0 |
Level 3 transfers in | 7 | 78
Level 3 transfers out | (9) | (61)
Purchases/Originations | 195 | 382
Settlements/Other decreases | (51) | (41)
Sales | (116) | (376)
Foreign exchange and other adjustments | (3) | 5
Amounts recorded in the income statement in respect of balances held at period end - unrealised | (121) | 382
Financial liabilities at end of period | 685 | 975
Recurring fair value measurement | Level 3 | Other trading liabilities |  |
Fair value of liabilities |  |
Financial liabilities at beginning of period | 1 | 3
Amounts recorded in the income statement |  | (1)
Amount recorded in the statement of comprehensive income | 0 |
Level 3 transfers in | 2 | 3
Level 3 transfers out | (2) | (3)
Purchases/Originations | 2 |
Sales |  | (2)
Foreign exchange and other adjustments |  | 1
Amounts recorded in the income statement in respect of balances held at period end - unrealised |  | (1)
Financial liabilities at end of period | 3 | £ 1
Recurring fair value measurement | Level 3 | Financial liabilities (other) |  |
Fair value of liabilities |  |
Amount recorded in the statement of comprehensive income | 0 |
Purchases/Originations | 3 |
Financial liabilities at end of period | £ 3 |

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- Definition The amount of liabilities that are: (a) a contractual obligation: (i) to deliver cash or another financial asset to another entity; or (ii) to exchange financial assets or financial liabilities with another entity under conditions that are potentially unfavourable to the entity; or (b) a contract that will, or may be, settled in the entity’s own equity instruments and is: (i) a non-derivative for which the entity is, or may be, obliged to deliver a variable number of the entity’s own equity instruments; or (ii) a derivative that will, or may be, settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the entity’s own equity instruments. For this purpose, rights, options or warrants to acquire a fixed number of the entity’s own equity instruments for a fixed amount of any currency are equity instruments if the entity offers the rights, options or warrants pro rata to all of its existing owners of the same class of its own non-derivative equity instruments. Also, for those purposes the entity’s own equity instruments do not include puttable financial instruments that are classified as equity instruments in accordance with paragraphs 16A-16B of IAS 32, instruments that impose on the entity an obligation to deliver to another party a pro rata share of the net assets of the entity only on liquidation and are classified as equity instruments in accordance with paragraphs 16C-16D of IAS 32, or instruments that are contracts for the future receipt or delivery of the entity’s own equity instruments. As an exception, an instrument that meets the definition of a financial liability is classified as an equity instrument if it has all the features and meets the conditions in paragraphs 16A-16B or paragraphs 16C-16D of IAS 32. [Refer: Financial instruments, class [member]; Financial assets; Derivatives [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 25 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_25&doctype=Standard -URIDate 2023-03-23 + Details
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