Other expense (Tables)

6 Months Ended

Jun. 30, 2024

Analysis of income and expense [abstract]

Schedule of other expense

		Three months		Six months
For the period ended June 30		2024	2023	2024	2023
Net mark-to-market (losses) gains on derivatives used to economically hedge    equity settled share-based compensation plans		(23)	1	(113)	19
(Losses) gains on retirements and disposals of property, plant and equipment and    intangible assets		(19)	(19)	(26)	28
Equity (losses) income from investments in associates and joint ventures
	Loss on investment	(93)	(377)	(93)	(377)
	Operations	6	8	21	26
(Losses) gains on investments		(2)	79	(8)	79
Interest income		25	13	57	27
Early debt redemption costs		—	(1)	—	(1)
Other		5	(15)	23	9
Total other expense		(101)	(311)	(139)	(190)