NET EARNINGS (LOSS) PER SHARE (Tables)

12 Months Ended

Dec. 31, 2020

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
	2020		2019		2018
Weighted average number of outstanding shares - basic		746,931		745,897		754,556
Dilutive potential common shares:
Stock options		313		—		1,310
Restricted stock units		403		—		566
Performance share units		252		—		395
Total effect of outstanding dilutive potential common shares		968		—		2,271
Weighted average number of outstanding common shares - dilutive		747,899		745,897		756,827

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
	2020		2019		2018
Stock options		2,107		2,631		2,402
Restricted stock units		—		477		—
Performance share units		781		1,131		1,080