STOCKHOLDERS' EQUITY (Details) $ / shares in Units, shares in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2021 USD ($) $ / shares	Sep. 30, 2020 $ / shares	Mar. 31, 2020 USD ($) employee	Sep. 30, 2021 USD ($) $ / shares shares	Sep. 30, 2020 $ / 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]
Number of employees affected | employee			123
Cash dividends declared per common share (in dollars per share) | $ / shares	$ 0.280	$ 0.245		$ 0.805	$ 0.710
Stock repurchase program, authorized amount										$ 2,000,000,000
Stock repurchase program, additional authorized amount						$ 1,500,000,000	$ 2,000,000,000	$ 1,500,000,000	$ 1,500,000,000
Purchases of treasury stock (in shares) | shares				7.3
Remaining value available under stock repurchase programs	$ 1,300,000,000			$ 1,300,000,000
Employee Stock Option
Stockholders Equity Note [Line Items]
Incremental compensation cost			$ 8,000,000