SHAREHOLDERS' EQUITY - Weighted-Average Shares Used in Calculating Earnings Per Share (Details) - shares shares in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Stockholders' Equity Note [Abstract]
Weighted-average outstanding shares used for calculating basic EPS	713,702	742,414	769,588
Dilutive effect of share-based awards	2,490	4,016	5,062
Weighted-average outstanding shares used for calculating diluted EPS	716,192	746,430	774,650