Other investments (Tables)

12 Months Ended

Jun. 30, 2019

Disclosure Of Noncurrent Investments Other Than Investments Accounted For Using Equity Method [Abstract]

Schedule of movements in other investments

	Loans £ million		Others £ million		Total £ million
Cost less allowances or fair value
At 30 June 2017	21		10		31
Exchange differences	(1	)	2		1
Additions	21		—		21
Repayments and disposals	(2	)	(2	)	(4	)
Fair value adjustment	(4	)	1		(3	)
At 30 June 2018	35		11		46
Additions	2		—		2
Repayments and disposals	(1	)	—		(1	)
Fair value adjustment	—		2		2
Transfers	(19	)	19		—
At 30 June 2019	17		32		49