TREASURY STOCK (Details) - USD ($) shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020	Dec. 31, 2019
Equity, Class of Treasury Stock [Line Items]
Authorized stock repurchase programs (in shares)	4	2	68	680
Authorized stock repurchase programs	$ 9,000,000	$ 4,000,000	$ 155,000,000	$ 1,255,000,000
General authorization for shares withheld on stock award vesting (in shares)	4	2	68	79
General authorization for shares withheld on stock award vesting	$ 9,000,000	$ 4,000,000	$ 155,000,000	$ 133,000,000
Payments related to tax withholding for share-based compensation			150,000,000	$ 132,000,000
2019 Share Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Remaining authorization to repurchase common stock	$ 10,400,000,000		$ 10,400,000,000		$ 10,400,000,000
Amount of common stock repurchases authorized						$ 15,000,000,000.0
Common Stock Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Authorized stock repurchase programs (in shares)	0	0	0	601
Authorized stock repurchase programs	$ 0	$ 0	$ 0	$ 1,122,000,000