EMPLOYEE STOCK BENEFIT PLANS - Share-based Payment Arrangement, Nonvested Award, Cost (Details) $ in Millions	9 Months Ended
	Sep. 30, 2023 USD ($)
Restricted stock units
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Unrecognized compensation cost	$ 893
Expected weighted-average period in years of compensation cost to be recognized	2 years 9 months 18 days
Market share units
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Unrecognized compensation cost	$ 63
Expected weighted-average period in years of compensation cost to be recognized	2 years 10 months 24 days
Performance share units
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Unrecognized compensation cost	$ 115
Expected weighted-average period in years of compensation cost to be recognized	1 year 9 months 18 days