Financial income and expenses (Tables)

12 Months Ended

Dec. 31, 2021

Text Block [Abstract]

Summary of Financial Income and Expenses

	2021 $m		2020 $m			2019 $m
Financial income
Financial income on deposits and money market funds		2		2			3
Interest income on loans and other assets		6		2			3
		8		4			6
Financial expenses
Interest expense on external borrowings		109		102			78
Interest expense on lease liabilities		29		37			41
Capitalised interest		–		(1	)		(5	)
Unwind of discount on deferred purchase consideration		1		1			1
Other charges		8		5			6
		147		144			121
Analysed as:
Financial expenses before exceptional items		147		130			121
Exceptional financial expenses (note 6)		–		14			–
		147		144			121