NET EARNINGS (LOSS) PER SHARE (Tables)

12 Months Ended

Dec. 31, 2019

Earnings Per Share [Abstract]

Schedule of Basic and Diluted Earnings (Loss) per Share

Calculation of Weighted Average Number of Outstanding Common Shares – Dilutive

SHARES IN THOUSANDS
	2019		2018		2017
Weighted average number of outstanding shares - basic		745,897		754,556		753,085
Dilutive potential common shares:
Stock options		—		1,310		2,571
Restricted stock units		—		566		582
Performance share units		—		395		428
Total effect of outstanding dilutive potential common shares		—		2,271		3,581
Weighted average number of outstanding common shares - dilutive		745,897		756,827		756,666

Potential Shares Not Included in the Computation of Diluted Earnings (Loss) per Share

Potential Shares Not Included in the Computation of Diluted Earnings (Loss) per Share

SHARES IN THOUSANDS
	2019		2018		2017
Stock options		2,631		2,402		1,351
Restricted stock units		477		—		—
Performance share units		1,131		1,080		799