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STOCKHOLDERS' EQUITY - Repurchases of Common Stock (Details) - USD ($) shares in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Mar. 31, 2020	Mar. 31, 2016
Class of Stock [Line Items]
Remaining authorized repurchase amount under stock repurchase programs	$ 5,800,000,000		$ 5,800,000,000
Shares repurchased and retired (in shares)	1.2	0.6	6.7	5.4
Amount	$ 72,000,000	$ 43,000,000	$ 424,000,000	$ 352,000,000
2016 Stock Repurchase Program
Class of Stock [Line Items]
Authorized amount under stock repurchase program						$ 12,000,000,000
2020 Stock Repurchase Program
Class of Stock [Line Items]
Authorized amount under stock repurchase program					$ 5,000,000,000

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