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Operating costs - Staff costs (Details) - GBP (£)
£ in Millions
12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2019
Aggregate remuneration      
Wages and salaries £ 1,336 £ 1,251 £ 1,344
Share-based incentive plans 50 3 50
Employer’s social security 83 79 96
Employer’s pension      
Defined benefit plans 82 37 61
Defined contribution plans 25 24 19
Other post employment plans 10 10 10
Staff costs £ 1,586 £ 1,404 £ 1,580