Business combinations (Tables)

12 Months Ended

Dec. 31, 2017

Text block1 [abstract]

Schedule of Fair Values for Assets and Liabilities Arising from Acquisitions

Fair values for the assets and liabilities arising from acquisitions completed in the year are as follows:

			2017		2016
All figures in £ millions	Notes		Total fair value		Total fair value
Intangible assets		11		—		10
Net assets acquired at fair value				—		10
Goodwill		11		—		3
Total				—		13
Satisfied by:
Cash				—		(7	)
Other liabilities				—		(6	)
Total consideration				—		(13	)

Schedule of Cash Flow on Acquisitions

All figures in £ millions	2017			2016			2015
Cash flow on acquisitions
Cash – current year acquisitions		—			(7	)		(1	)
Deferred payments for prior year acquisitions and other items		(11	)		(7	)		(6	)
Acquisition costs and other acquisition liabilities paid		—			(1	)		(2	)
Net cash outflow		(11	)		(15	)		(9	)