Classification of financial instruments (Tables)

12 Months Ended

Dec. 31, 2017

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Schedule of Classification of Each Class of Financial Assets and their Carrying Values

The accounting classification of each class of the Group’s financial assets and their carrying values, is as follows:

			2017										2016
			Fair value						Amortised cost				Fair value						Amortised cost
All figures in £ millions	Notes		Available for sale		Derivatives held for trading		Derivatives in hedge relationship		Loans and receivables		Total carrying value		Available for sale		Derivatives held for trading		Derivatives in hedge relationship		Loans and receivables		Total carrying value
Investments in unlisted securities		15		77		—		—		—		77		65		—		—		—		65
Cash and cash equivalents		17		—		—		—		518		518		—		—		—		1,459		1,459
Cash and cash equivalents – within assets classified as held for sale		32		—		—		—		127		127		—		—		—		—		—
Marketable securities				8		—		—		—		8		10		—		—		—		10
Derivative financial instruments		16		—		3		137		—		140		—		3		168		—		171
Trade receivables		22		—		—		—		760		760		—		—		—		982		982
Trade receivables – within assets classified as held for sale				—		—		—		22		22		—		—		—		—		—
Total financial assets				85		3		137		1,427		1,652		75		3		168		2,441		2,687

Schedule of Accounting Classification of Class of Financial Liabilities, Together with their Carrying Values and Market Values

The accounting classification of each class of the Group’s financial liabilities, together with their carrying values and market values, is as follows:

			2017														2016
			Fair value					Amortised cost									Fair value						Amortised cost
All figures in £ millions	Notes		Derivatives held for trading		Derivatives in hedge relationship			Other liabilities			Total carrying value			Total market value			Derivatives held for trading			Derivatives in hedge relationship			Other liabilities			Total carrying value			Total market value
Derivative financial liabilities		16		—		(140	)		—			(140	)		(140	)		(7	)		(257	)		—			(264	)		(264	)
Trade payables		24		—		—			(265	)		(265	)		(265	)		—			—			(333	)		(333	)		(333	)
Trade payables – within liabilities classified as held for sale				—		—			(20	)		(20	)		(20	)		—			—			—			—			—
Liability to purchase own shares		24		—		—			(151	)		(151	)		(151	)		—			—			—			—			—
Bank loans and overdrafts		18		—		—			(15	)		(15	)		(15	)		—			—			(39	)		(39	)		(39	)
Other borrowings due within one year		18		—		—			(4	)		(4	)		(4	)		—			—			(5	)		(5	)		(5	)
Borrowings due after more than one year		18		—		—			(1,066	)		(1,066	)		(1,070	)		—			—			(2,424	)		(2,424	)		(2,385	)
Total financial liabilities				—		(140	)		(1,521	)		(1,661	)		(1,665	)		(7	)		(257	)		(2,801	)		(3,065	)		(3,026	)

Schedule of Analysis of the Movements in Level 3 Fair Value Remeasurements

The following table analyses the movements in level 3 fair value remeasurements:

	2017			2016
All figures in £ millions	Investments in unlisted securities			Investments in unlisted securities
At beginning of year		65			143
Exchange differences		(4	)		8
Acquisition of investments		3			6
Fair value movements		13			—
Disposal of investments		—			(92	)
At end of year		77			65