EQUITY AND EQUITY COMPENSATION (Tables)

12 Months Ended

Dec. 31, 2023

Equity [Abstract]

Schedule of warrants

Summary of payroll support program warrants
(in millions)	Number of Warrants	Exercise Price		Expiration Year
Payroll Support Program (PSP1)	6.8	$	24.25	2025
Payroll Support Program Extension (PSP2)	2.4	39.54		2026
Payroll Support Program 3 (PSP3)	1.9	47.57		2026
Total	11.1

Schedule of restricted stock activity

Restricted stock activity under the Plan for the years ended December 31, 2023, 2022 and 2021 is as follows:

Restricted Stock Award Activity
	2023			2022			2021
	Restricted Stock Awards	Weighted-Average Grant Price		Restricted Stock Awards	Weighted-Average Grant Price		Restricted Stock Awards	Weighted-Average Grant Price
(in millions, except weighted avg grant price)
Outstanding at January 1	3.1	$	43.43	2.9	$	45.66	2.2	$	54.06
Granted	2.7	39.63		1.9	42.45		2.3	39.93
Vested	(1.5)	44.79		(1.6)	46.31		(1.4)	51.15
Forfeited	(0.1)	40.94		(0.1)	45.51		(0.2)	44.01
Outstanding at December 31	4.2	$	40.51	3.1	$	43.43	2.9	$	45.66

Schedule of stock option activity

Stock option activity under the Plan for the years ended December 31, 2023, 2022 and 2021 is as follows:

Stock Option Activity
	2023			2022			2021
	Stock Options	Weighted-Average Exercise Price		Stock Options	Weighted-Average Exercise Price		Stock Options	Weighted-Average Exercise Price
(in millions, except weighted avg grant price)
Outstanding at January 1	6.2	$	50.40	6.2	$	50.41	5.4	$	52.37
Granted	—	—		—	—		1.0	39.78
Exercised(1)	—	39.78		—	—		—	—
Forfeited(1)	—	51.91		—	52.87		(0.2)	49.61
Outstanding at December 31	6.2	$	50.42	6.2	$	50.40	6.2	$	50.41

(1)2023 exercise and forfeiture and 2022 forfeiture activity in the table above rounds to zero.