Earnings per Share (Tables)

12 Months Ended

Dec. 31, 2018

Notes to Consolidated Financial Statements [Abstract]

Calculation of the basic earnings per share for the year ended December 31, 2018, is based on the earnings allocated to the holders of the ordinary shares divided by the weighted-average number of ordinary shares outstanding, calculated as follows:

For the year ended December 31
2018	2017	2016
$ millions	$ millions	$ millions


Earnings (losses) attributed to the shareholders of the Company	1,240	364	(122)

Weighted Average Number of Ordinary Shares

Weighted-average number of ordinary shares in thousands:

For the year ended December 31
2018	2017	2016
Shares thousands	Shares thousands	Shares thousands


Balance as at January 1	1,276,238	1,274,298	1,272,516
Shares issued during the year	73	1,054	-
Shares vested	898	720	779
Weighted average number of ordinary shares used in computation of the basic earnings per share	1,277,209	1,276,072	1,273,295

Weighted Average Number of Ordinary Shares Diluted

Weighted average number of ordinary shares (diluted) in thousands:

For the year ended December 31
	2018	2017	2016
	Shares thousands	Shares thousands	Shares thousands


Weighted average number of ordinary shares used in the computation of the basic earnings per share	1,277,209	1,276,072	1,273,295
Effect of stock options and restricted shares	2,572	925	-
Weighted average number of ordinary shares used in the computation of the diluted earnings per share	1,279,781	1,276,997	1,273,295