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OTHER PROVISIONS (Tables)
12 Months Ended
Dec. 31, 2021
Disclosure of other provisions [abstract]  
Schedule of Assumptions for Other Provisions
Provisions
for financial
commitments
and guarantees
Regulatory
and legal
provisions
OtherTotal
£m£m£m£m
At 1 January 2021459 642 814 1,915 
Exchange and other adjustments(2)31 (12)17 
Provisions applied (817)(278)(1,095)
(Release) charge for the year(257)1,300 212 1,255 
At 31 December 2021200 1,156 736 2,092