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Financial instruments: valuation - Movement in Level 3 portfolios - Assets (Details) - GBP (£) £ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Movement in level 3 assets |  |
At 1 January | £ 280,855 |
At 31 December | 202,880 | £ 280,855
Level 3 |  |
Movement in level 3 assets |  |
At 1 January | 1,723 |
At 31 December | 2,052 | 1,723
Level 3 | Financial assets, other | Other operating income and interest income [Member] |  |
Movement in level 3 assets |  |
Amounts recorded in the income statement | 29 | 21
Recurring | Level 3 |  |
Movement in level 3 assets |  |
At 1 January | 1,723 | 2,554
Amounts recorded in the income statement | (122) | 106
Amounts recorded in the statement of comprehensive income | 23 | 63
Level 3 transfers in | 128 | 263
Level 3 transfers out | (109) | (139)
Purchases/Originations | 1,416 | 768
Settlements/Other decreases | (411) | (446)
Sales | (590) | (1,449)
Foreign exchange and other adjustments | (6) | 3
At 31 December | 2,052 | 1,723
Recurring | Level 3 | Financial assets |  |
Movement in level 3 assets |  |
Amounts recorded in the income statement in respect of balances held at year end - unrealised | (126) | 107
Recurring | Level 3 | Trading assets |  |
Movement in level 3 assets |  |
At 1 January | 1,388 | 2,233
Amounts recorded in the income statement | (93) | 127
Level 3 transfers in | 125 | 165
Level 3 transfers out | (104) | (139)
Purchases/Originations | 965 | 441
Settlements/Other decreases | (47) | (293)
Sales | (573) | (1,148)
Foreign exchange and other adjustments | (3) | 2
At 31 December | 1,658 | 1,388
Amounts recorded in the income statement in respect of balances held at year end - unrealised | (93) | 129
Recurring | Level 3 | Financial assets, other |  |
Movement in level 3 assets |  |
At 1 January | 335 | 321
Amounts recorded in the income statement | (29) | (21)
Amounts recorded in the statement of comprehensive income | 23 | 63
Level 3 transfers in | 3 | 98
Level 3 transfers out | (6) |
Purchases/Originations | 452 | 327
Settlements/Other decreases | (364) | (153)
Sales | (17) | (301)
Foreign exchange and other adjustments | (3) | 1
At 31 December | 394 | 335
Amounts recorded in the income statement in respect of balances held at year end - unrealised | £ (32) | £ (22)

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