Description of share to acquire by holder.

No definition available.

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- Definition

Share based compensation vesting period.

+ References

No definition available.

+ Details

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

+ Details

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 2
-IssueDate 2023-01-01
-Paragraph 45
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-URIDate 2023-03-23

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-URIDate 2023-03-23

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- Definition

The number of shares issued by the entity.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
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-IssueDate 2023-01-01
-Paragraph 106
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-URIDate 2023-03-23

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- Definition

The weighted average fair value at the measurement date of granted equity instruments other than share options. [Refer: Weighted average [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2023-01-01
-Paragraph 47
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-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_47_b&doctype=Standard
-URIDate 2023-03-23

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- Definition

The weighted average fair value of share options granted during the period at the measurement date. [Refer: Weighted average [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Share-Based Payments - LTI Stock Option Plan Executives - Additional Information (Detail) Unit_pure in Thousands, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($) shares	Dec. 31, 2022 USD ($) shares	Dec. 31, 2021 shares
Disclosure of terms and conditions of share-based payment arrangement [line items]
Issued ordinary and restricted shares at 1 January, net of treasury shares \| shares	1,984.0	1,981.0	1,972.0
Long Term Restricted Stock Unit Program Three [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Share based payment vesting period	5 years
Annual LTI Plans [member] \| Long Term Incentive Restricted Stock Unit [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Description of share to acquire by holder	one
Annual LTI Plans [member] \| Long Term Incentive Restricted Stock Unit [member] \| Executive [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Share-based compensation number of shares issued	2,900	3,900
Share-based compensation grant date fair value	$ 183	$ 228
Annual LTI Plans [member] \| Long Term Incentive Restricted Stock Unit [member] \| Board of Director [Member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Issued ordinary and restricted shares at 1 January, net of treasury shares \| shares	0.1	0.5
Annual LTI Plans [member] \| Long Term Incentive Performance Share Units [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Share-based compensation grant date fair value	$ 39	$ 39
Annual LTI Plans [member] \| Long Term Incentive Performance Share Units [member] \| Executive [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Share-based compensation number of shares issued	500	500
Annual LTI Plans [member] \| Performance share units (PSUs) [member] \| Board of Director [Member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Share-based compensation number of shares issued	33	100
Other Recurring LTI RSU Plans [member] \| Long Term Restricted Stock Unit Program One [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Share-based compensation number of shares issued	600	700
Fair value of options granted	$ 35	$ 44
Other Recurring LTI RSU Plans [member] \| Long Term Restricted Stock Unit Program Three [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Share-based compensation number of shares issued		100
Share-based compensation grant date fair value		$ 7