INCOME PER COMMON SHARE - Narrative (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Oct. 20, 2022
Earnings Per Share [Abstract]
Stock repurchase program, authorized amount					$ 2,000
Repurchase and retirement of common stock (in shares)			2.4
Stock repurchased during period			$ 126
Payments for repurchase of common stock			$ 126	$ 914
Repurchase and retirement of common stock to offset the dilutive impact of the grant of long-term stock awards (in shares)			0.2
Remaining authorized repurchase amount	$ 1,900		$ 1,900
Cash dividends per common share paid (in dollars per share)	$ 0.285	$ 0.280	$ 0.855	$ 0.840