EQUITY - Additional Information (Details) - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Feb. 09, 2022	Jan. 31, 2021
Stock repurchase program, remaining authorized repurchase amount	$ 15,200	$ 4,400
Stock repurchase program, authorized amount	$ 15,000				$ 2,000
Stock repurchased during period (in shares)	102	27	6
Stock repurchased during period	$ 6,200	$ 1,600	$ 300
2019 ASR
Stock repurchase program, authorized amount			$ 7,000
Stock repurchased during period (in shares)		16	99
2021 ASR | Subsequent Event
Stock repurchase program, authorized amount				$ 5,000