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The amount of liabilities arising from share-based payment transactions. Share-based payment transactions are transactions in which the entity: (a) receives goods or services from the supplier of those goods or services (including an employee) in a share-based payment arrangement; or (b) incurs an obligation to settle the transaction with the supplier in a share-based payment arrangement when another group entity receives those goods or services. [Refer: Share-based payment arrangements [member]]

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The number of other equity instruments (ie other than share options) granted in a share-based payment arrangement.

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The number of other equity instruments (ie other than share options) outstanding in a share-based payment arrangement.

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Share-based compensation - Restricted share unit plan (Details) $ in Millions		12 Months Ended
	Jul. 02, 2021 shares	Dec. 31, 2021 USD ($) shares yr installment	Dec. 31, 2020 USD ($)
share-based compensation
Number of vesting installments \| installment		4
Vesting period \| yr		6.5
Liabilities from share-based payment transactions \| $		$ 22	$ 25
Restricted Stock Units
share-based compensation
Number of other equity instruments granted in share-based payment arrangement (in shares)		1,191,919
Number of other equity instruments outstanding in share-based payment arrangement		1,083,542
Restricted Stock Units \| Playment
share-based compensation
Number of other equity instruments granted in share-based payment arrangement (in shares)	32,244
Performance Share Units
share-based compensation
Vesting period \| yr		3
Number of other equity instruments granted in share-based payment arrangement (in shares)		192,064
Number of other equity instruments outstanding in share-based payment arrangement		192,064
Phantom restricted share units
share-based compensation
Number of other equity instruments outstanding in share-based payment arrangement		285,386
Phantom Performance Share Units
share-based compensation
Number of other equity instruments outstanding in share-based payment arrangement		289,815
Common Share \| Restricted Stock Units
share-based compensation
Nominal value (in number of equity shares)		1
Common Share \| Phantom restricted share units
share-based compensation
Nominal value (in number of equity shares)		1