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Capital resources (Details) - GBP (£) £ in Millions | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | --- | ---
Shareholders' equity (excluding non-controlling interests) |  |  |
Shareholders' equity | £ 41,796 | £ 43,860 |
Total equity | 41,803 | 43,824 | £ 43,556
Capital resources under the Prudential Regulation Authority requirements [Member] |  |  |
Shareholders' equity (excluding non-controlling interests) |  |  |
Shareholders' equity | 41,796 | 43,860 |
Preference shares - equity | (494) | (494) |
Other equity instruments | (3,890) | (4,999) |
Shareholders' equity (excluding non-controlling interests) | 37,412 | 38,367 |
Regulatory adjustments and deductions |  |  |
Own credit | 21 | (1) |
Defined benefit pension fund adjustment | (465) | (579) |
Cash flow hedging reserve | 395 | (229) |
Deferred tax assets | (761) | (760) |
Prudential valuation adjustments | (274) | (286) |
Goodwill and other intangible assets | (6,312) | (6,182) |
Foreseeable ordinary dividends | (846) | (364) |
Foreseeable charges | (825) |  |
Foreseeable pension contributions | (365) | (266) |
Adjustment under IFRS 9 transitional arrangements | 621 | 1,747 |
Other regulatory adjustments | (5) |  |
Total regulatory adjustments and deductions | (8,816) | (6,920) |
CET1 capital | 28,596 | 31,447 |
Additional Tier 1 (AT1) capital |  |  |
Qualifying instruments and related share premium | 3,875 | 4,983 |
Qualifying instruments and related share premium subject to phase out | 571 | 690 |
Qualifying instruments issued by subsidiaries and held by third parties subject to phase out |  | 140 |
AT1 capital | 4,446 | 5,813 |
Tier 1 capital | 33,042 | 37,260 |
Qualifying Tier 2 capital |  |  |
Qualifying instruments and related share premium | 4,935 | 4,882 |
Qualifying instruments issued by subsidiaries and held by third parties | 314 | 1,191 |
Other regulatory adjustments | 457 | 400 |
Tier 2 capital | 5,706 | 6,473 |
Total regulatory capital | £ 38,748 | £ 43,733 |
Minimum pillar 1 capital ratio | 8.00% |  |
Minimum tier 1 component ratio | 4.50% |  |

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