Intangible assets - pre-publication (Tables)

12 Months Ended

Dec. 31, 2017

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Summary of Intangible Assets Pre-publication

All figures in £ millions	2017			2016
Cost
At beginning of year		2,417			2,201
Exchange differences		(168	)		380
Additions		362			395
Disposal through business disposal		(1	)		(8	)
Disposals		(248	)		(565	)
Transfer from intangible assets		—			14
Transfer to assets classified as held for sale		(508	)		—
At end of year		1,854			2,417
Amortisation
At beginning of year		(1,393	)		(1,360	)
Exchange differences		109			(250	)
Charge for the year		(338	)		(350	)
Disposal through business disposal		—			4
Disposals		248			565
Transfer from intangible assets		—			(2	)
Transfer to assets classified as held for sale		261			—
At end of year		(1,113	)		(1,393	)
Carrying amounts
At end of year		741			1,024