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Share-Based Payment Plans (Tables) | 12 Months Ended
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Dec. 31, 2018
Share-based payment arrangements [Abstract] |
Disclosure of range of exercise prices of outstanding share options | The total options outstanding and exercisable under these stock option plans at Dec. 31, 2019, are outlined below:
| Options outstanding |  |
Range of exercise prices(1) ($ per share) | Number of options (millions) | Weighted average remaining contractual life (years) | Weighted average exercise price ($ per share)
5.00 - 9.00 | 3.3 |  | 4.7 | 6.34 |
22.00 - 30.00 | 0.5 |  | 0.1 | 23.44 |
5.00 - 30.00 | 3.8 |  | 4.2 | 8.41 |
(1) Options currently exercisable as at Dec. 31, 2019
Disclosure of number and weighted average remaining contractual life of outstanding share options | The total options outstanding and exercisable under these stock option plans at Dec. 31, 2019, are outlined below:
| Options outstanding |  |
Range of exercise prices(1) ($ per share) | Number of options (millions) | Weighted average remaining contractual life (years) | Weighted average exercise price ($ per share)
5.00 - 9.00 | 3.3 |  | 4.7 | 6.34 |
22.00 - 30.00 | 0.5 |  | 0.1 | 23.44 |
5.00 - 30.00 | 3.8 |  | 4.2 | 8.41 |
(1) Options currently exercisable as at Dec. 31, 2019.

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- Definition The disclosure of the number and weighted average remaining contractual life of outstanding share options. [Refer: Weighted average [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2018-01-01 -Paragraph 45 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45_d&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The disclosure of the range of exercise prices for outstanding share options. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2018-01-01 -Paragraph 45 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45_d&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition Share-based payment arrangements [Abstract] + References No definition available. + Details
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