Property, plant and equipment (Tables)

12 Months Ended

Dec. 31, 2021

Text Block [Abstract]

Summary of Property, Plant and Equipment

	Land and buildings $m			Fixtures, fittings and     equipment $m			Total $m
Cost
At 1 January 2020		207			307			514
Additions		2			28			30
Fully depreciated assets written off		–			(17	)		(17	)
Disposals		(1	)		(2	)		(3	)
Exchange and other adjustments		–			6			6
At 31 December 2020		208			322			530
Additions		–			17			17
Fully depreciated assets written off		–			(7	)		(7	)
Disposals		(103	)		(29	)		(132	)
Exchange and other adjustments		–			(4	)		(4	)
At 31 December 2021		105			299			404
Depreciation and impairment
At 1 January 2020		(73	)		(132	)		(205	)
Provided		(4	)		(33	)		(37	)
System Fund expense		–			(5	)		(5	)
Impairment charge		(39	)		(51	)		(90	)
System Fund impairment charge		–			(5	)		(5	)
Fully depreciated assets written off		–			17			17
Disposals		1			1			2
Exchange and other adjustments		–			(6	)		(6	)
At 31 December 2020		(115	)		(214	)		(329	)
Provided		(4	)		(27	)		(31	)
System Fund expense		–			(4	)		(4	)
Fully depreciated assets written off		–			7			7
Disposals		66			21			87
Exchange and other adjustments		–			3			3
At 31 December 2021		(53	)		(214	)		(267	)
Net book value
At 31 December 2021		52			85			137
At 31 December 2020		93			108			201
At 1 January 2020		134			175			309