Trade and other receivables (Tables)

12 Months Ended

Dec. 31, 2018

Text block [abstract]

Summary of Trade and Other Receivables

All figures in £ millions	2018		2017
Current
Trade receivables		874		739
Royalty advances		5		8
Prepayments		103		82
Deferred contract costs		1		—
Accrued income		2		1
Other receivables		193		280
		1,178		1,110
Non-current
Trade receivables		30		21
Royalty advances		21		20
Prepayments		13		15
Deferred contract costs		1		—
Accrued income		10		10
Other receivables		25		37
		100		103

Summary of Movements on Provision for Bad and Doubtful Debts

The movements in the provision for bad and doubtful debts are as follows:

All figures in £ millions	2018			2017
At beginning of year		(116	)		(112	)
Adjustment on initial application of IFRS 9 (see note 1c)		(12	)		—
Exchange differences		2			7
Income statement movements		(1	)		(38	)
Utilised		31			21
Disposal through business disposal		—			1
Transfer to assets classified as held for sale		—			5
At end of year		(96	)		(116	)

Summary of Ageing of Group's Trade Receivables

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

All figures in £ millions	2018		2017
Within due date		606		661
Up to three months past due date		172		187
Three to six months past due date		72		48
Six to nine months past due date		16		18
Nine to 12 months past due date		24		13
More than 12 months past due date		14		3
Total trade receivables		904		930
Less: sales return liability		—		(170	)
Net trade receivables		904		760