Trade and other liabilities

12 Months Ended

Dec. 31, 2019

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Trade and other liabilities

24. Trade and other liabilities

All figures in £ millions	2019		2018
Trade payables		358		311
Sales return liability		122		173
Social security and other taxes		13		16
Accruals		295		397
Deferred income		360		387
Interest payable		28		46
Other liabilities		188		225
		1,364		1,555
Less: non-current portion
Accruals		—		15
Deferred income		55		66
Other liabilities		31		74
		86		155
Current portion		1,278		1,400

The carrying value of the Group’s trade and other liabilities approximates its fair value. The deferred income balance comprises contract liabilities in respect of advance payments in assessment, testing and training businesses; subscription income in school and college businesses; and obligations to deliver digital content in future periods.