EQUITY AND EQUITY COMPENSATION - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Class of Stock [Line Items]
Capital stock, shares authorized (shares)	2,000,000,000
Common stock, authorized (shares)	1,500,000,000	1,500,000,000
Common stock, par value (USD per share)	$ 0.0001	$ 0.0001
Preferred stock, shares authorized (shares)	500,000,000
Treasury stock weighted average cost per share (USD per share)	$ 30.37	$ 29.73
Grant payments received through payroll support program	$ 4,500
Number of shares authorized for issuance under the Plan (shares)	163,000,000
Shares available for future grant (in shares)	13,000,000
Equity compensation expense	$ 180	$ 150	$ 149
Compensation cost not yet recognized	$ 103
Outstanding stock option awards (shares)	6,200,000	6,200,000	6,200,000	5,400,000
Weighted average exercise price of options outstanding (USD per share)	$ 50.42	$ 50.40	$ 50.41	$ 52.37
Number of exercisable stock option awards (shares)	5,900,000
Restricted stock awards
Class of Stock [Line Items]
Unvested restricted stock awards (shares)	4,200,000	3,100,000	2,900,000	2,200,000
Stock options
Class of Stock [Line Items]
Term of award (in years)	10 years
Performance awards
Class of Stock [Line Items]
Shares available for future grant (in shares)		700,000	1,500,000
Performance period (in years)	3 years
Performance awards | Minimum
Class of Stock [Line Items]
Potential performance award payments as percentage of target level	0.00%
Performance awards | Maximum
Class of Stock [Line Items]
Potential performance award payments as percentage of target level	200.00%
Performance-Based Restricted Stock Units
Class of Stock [Line Items]
Shares available for future grant (in shares)	3,300,000	1,300,000
Performance period (in years)	3 years
Performance-Based Restricted Stock Units | Minimum
Class of Stock [Line Items]
Potential performance award payments as percentage of target level	0.00%
Performance-Based Restricted Stock Units | Maximum
Class of Stock [Line Items]
Potential performance award payments as percentage of target level	300.00%
PSP Warrants | Payroll Support Program
Class of Stock [Line Items]
Number shares called by warrants (in shares)			11,100,000	11,100,000