Trade and other receivables (Tables)

12 Months Ended

Dec. 31, 2017

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Summary of Trade and Other Receivables

All figures in £ millions	2017		2016
Current
Trade receivables		739		961
Royalty advances		8		22
Prepayments		82		124
Accrued income		1		15
Other receivables		280		235
		1,110		1,357
Non-current
Trade receivables		21		21
Royalty advances		20		10
Prepayments		15		13
Accrued income		10		31
Other receivables		37		29
		103		104

Summary of Movements on Provision for Bad and Doubtful Debts

All figures in £ millions	2017			2016
At beginning of year		(112	)		(64	)
Exchange differences		7			(17	)
Income statement movements		(38	)		(53	)
Utilised		21			22
Disposal through business disposal		1			—
Transfer to assets classified as held for sale		5			—
At end of year		(116	)		(112	)

Summary of Ageing of Group's Trade Receivables

The ageing of the Group’s trade receivables is as follows:

All figures in £ millions	2017			2016
Within due date		661			812
Up to three months past due date		187			232
Three to six months past due date		48			55
Six to nine months past due date		18			21
Nine to 12 months past due date		13			14
More than 12 months past due date		3			7
Total trade receivables		930			1,141
Less: provision for sales returns		(170	)		(159	)
Net trade receivables		760			982