Description of share to acquire by holder.

No definition available.

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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 2025-01-01
-Paragraph 45
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_45&doctype=Standard
-URIDate 2025-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2025-01-01
-Paragraph 47
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_47_b&doctype=Standard
-URIDate 2025-03-27

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- Definition

The number of shares issued by the entity.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
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-URIDate 2025-03-27

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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 2025-01-01
-Paragraph 47
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_47_b&doctype=Standard
-URIDate 2025-03-27

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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, 2025 USD ($) shares	Dec. 31, 2024 USD ($) shares	Dec. 31, 2023 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	1,975.0	1,984.0	1,984.0
Restricted Stock Units [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	2.1	1.6
Share-based compensation grant date fair value	$ 128	$ 94
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	3,100	4,400
Share-based compensation grant date fair value	$ 191	$ 239
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	0.2	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	$ 35	$ 45
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	400	800
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	60	134
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]
Fair value of options granted		$ 12
Share-based compensation number of shares issued \| shares		0.2
Other Recurring LTI RSU Plans [member] \| Long Term Restricted Stock Unit Program One [member] \| Three Year Vesting [Member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Fair value of options granted	$ 42
Share-based compensation number of shares issued	700
Other Recurring LTI RSU Plans [member] \| Long Term Restricted Stock Unit Program One [member] \| Five Year Vesting [Member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Fair value of options granted	$ 62
Share-based compensation number of shares issued	2,900
Other Recurring LTI RSU Plans [member] \| Restricted Stock Units [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Share-based compensation number of shares issued \| shares	0.9