STOCKHOLDERS' EQUITY - Narrative (Details) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2022 USD ($) $ / shares shares	Mar. 31, 2021 USD ($) $ / shares	Oct. 31, 2020 USD ($)	Nov. 30, 2018 USD ($)	Feb. 28, 2018 USD ($)	Nov. 30, 2016 USD ($)	Jul. 31, 2012 USD ($)
Stockholders Equity Note [Line Items]
Stock compensation	$ 32	$ 22
Total intrinsic value of stock options exercised	$ 27	$ 21
Cash dividends declared per common share (in dollars per share) | $ / shares	$ 0.28	$ 0.245
Stock repurchase program, authorized amount							$ 2,000
Stock repurchase program, additional authorized amount			$ 1,500	$ 2,000	$ 1,500	$ 1,500
Purchases of treasury stock (in shares) | shares	3.6
Remaining value available under stock repurchase programs	$ 1,300
SG&A
Stockholders Equity Note [Line Items]
Stock compensation expense allocation percentage	0.75
Employee Stock Option
Stockholders Equity Note [Line Items]
Gross stock options (in shares) | shares	1.8
Stock granted, value, share-based compensation, gross	$ 33
Unrecognized compensation cost related to all unvested stock options	$ 80
Weighted-average period for all unvested stock options	1 year 10 months 24 days
Restricted Stock Units (RSUs)
Stockholders Equity Note [Line Items]
Grants in period (in shares) | shares	1.2
Stock granted, value, share-based compensation, gross	$ 102
Unrecognized compensation cost related to all unvested stock options	$ 163
Weighted-average period for all unvested stock options	2 years 2 months 12 days
Performance Shares
Stockholders Equity Note [Line Items]
Grants in period (in shares) | shares	0.4
Stock granted, value, share-based compensation, gross	$ 34
Unrecognized compensation cost related to all unvested stock options	$ 50
Weighted-average period for all unvested stock options	1 year 10 months 24 days