EMPLOYEE BENEFIT PLANS (Tables)

9 Months Ended

Sep. 30, 2023

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs

Net periodic benefit costs for qualified defined-benefit plans include the following (in millions):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
Service cost	$	8	$	12	$	22	$	34
Pension expense included in Wages and benefits	8		12		22		34
Interest cost	27		17		81		49
Expected return on assets	(28)		(32)		(85)		(96)
Amortization of prior service cost (credit)	—		(1)		—		(1)
Recognized actuarial loss	5		2		17		6
Pension expense included in Non-operating Income (Expense)	$	4	$	(14)	$	13	$	(42)