FINANCE LEASE RECEIVABLES - Schedule of Lease Receivable Balances (Details) - GBP (£) £ in Millions	Dec. 31, 2021	Dec. 31, 2020
Gross investment in finance leases, receivable:
Gross investment in finance leases, receivable	£ 1,228	£ 1,726
Unearned future finance income on finance leases	(232)	(526)
Rentals received in advance	(14)	(18)
Net investment in finance leases	982	1,182
Not later than 1 year
Gross investment in finance leases, receivable:
Gross investment in finance leases, receivable	346	314
Net investment in finance leases	277	235
Later than 1 year and not later than 2 years
Gross investment in finance leases, receivable:
Gross investment in finance leases, receivable	143	187
Net investment in finance leases	110	135
Later than 2 years and not later than 3 years
Gross investment in finance leases, receivable:
Gross investment in finance leases, receivable	230	150
Net investment in finance leases	200	105
Later than 3 years and not later than 4 years
Gross investment in finance leases, receivable:
Gross investment in finance leases, receivable	118	199
Net investment in finance leases	96	160
Later than 4 years and not later than 5 years
Gross investment in finance leases, receivable:
Gross investment in finance leases, receivable	54	118
Net investment in finance leases	38	88
Later than 5 years
Gross investment in finance leases, receivable:
Gross investment in finance leases, receivable	337	758
Net investment in finance leases	£ 261	£ 459

The amount of current advances received representing current contract liabilities for performance obligations satisfied at a point in time. [Refer: Advances received, representing contract liabilities for performance obligations satisfied at point in time]

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The amount of receivables related to finance leases.

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The gross investment in the finance lease discounted at the interest rate implicit in the lease. Finance lease is a lease that transfers substantially all the risks and rewards incidental to ownership of an underlying asset. Gross investment in the finance lease is the sum of: (a) the lease payments receivable by a lessor under a finance lease; and (b) any unguaranteed residual value accruing to the lessor. Interest rate implicit in the lease is the rate of interest that causes the present value of (a) the lease payments and (b) the unguaranteed residual value to equal to the sum of (i) the fair value of the underlying asset and (ii) the initial direct costs of the lessor.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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The amount of unearned finance income relating to the finance lease payments receivable. Finance lease is a lease that transfers substantially all the risks and rewards incidental to ownership of an underlying asset. [Refer: Finance income]

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