| In millions, except per share items | Dec-31-17 | Dec-31-16 | Dec-31-15 |
| | S-1/A | S-1/A | S-1/A |
| Interest and similar income | | | |
| Interest and similar expense | | | |
| Net interest income | | | |
| Fee and commission income | | | |
| Fee and commission expense | | | |
| Net fee and commission income | | | |
| Net trading income | | | |
| |
| Other income | | | |
| Total income | 21,076 | 21,451 | 22,040 |
| |
| Credit impairment releases/(charges) | | | |
| Net operating income | | | |
| Staff costs | | | |
| Infrastructure costs | -2,949 | -2,998 | -2,691 |
| |
| Administration and general expenses | | | |
| Litigation and conduct | | | |
| Operating expenses | | | |
| Share of post-tax results of associates and joint ventures | | | |
| Profit on disposal of subsidiaries, associates and joint ventures | | | |
| Profit before tax | | | |
| Taxation | | | |
| Profit after tax | | | |
| Attributable to: | | | |
| Profit attributable to ordinary equity holders of the parent | | | |
| |
| Total equity holders of the parent | | | |
| Non-controlling interests | | | |
| Profit after tax | | | |
| Earnings per share | | | |
| Basic earnings per ordinary share (in GBP per share) | | | |
| Diluted earnings per ordinary share (in GBP per share) | | | |