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Operating expenses
6 Months Ended
Jun. 30, 2022
Operating Expenses [Abstract]  
Operating expenses
Note 6: Operating expenses
Half-year
to 30 Jun
2022
£m
Half-year
to 30 Jun
2021
£m
Half-year
to 31 Dec
2021
£m
Staff costs:
Salaries and social security costs1,631 1,555 1,493 
Pensions and other post-retirement benefit schemes (note 14)
235 284 254 
Restructuring and other staff costs154 117 182 
2,020 1,956 1,929 
Premises and equipment costs140 130 131 
Other expenses:
Communications and data processing679 584 597 
UK bank levy — 132 
Regulatory and legal provisions (note 15)
79 425 875 
Other553 559 657 
1,311 1,568 2,261 
Depreciation and amortisation1,210 1,243 1,582 
Total operating expenses4,681 4,897 5,903