(LOSS) EARNINGS PER SHARE - Dilutive Effect of Stock Options and RSUs, Earnings Per Share (Details) - shares shares in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Anti-dilutive shares not included in the computation of diluted earnings per share [Line Items]
Basic weighted-average number of common shares outstanding	347,300	342,700	335,400
Diluted weighted-average number of common shares outstanding (in shares)	350,100	348,800
Dilutive effect of stock options and RSUs
Anti-dilutive shares not included in the computation of diluted earnings per share [Line Items]
Dilutive effect of stock options and RSUs (in shares)	2,800	6,100
Dilutive effect of stock options
Anti-dilutive shares not included in the computation of diluted earnings per share [Line Items]
Dilutive effect of stock options and RSUs (in shares)	7,825	1,587	1,192