Retirement Plans (Tables)

3 Months Ended

Mar. 31, 2024

Retirement Benefits [Abstract]

Components of Net Periodic Pension Cost

Components of net periodic benefit cost consisted of the following:

	Three Months Ended March 31,
	2024		2023
	(In millions)
Service cost	$	10	$	9
Interest cost (a)	23		25
Expected return on plan assets (a)	(38)		(39)
Amortization of unrecognized net actuarial losses (a)	—		—
Net periodic benefit cost (income)	$	(5)	$	(5)

(a)  Net non-service cost, which is included in Other, net in the Statement of Consolidated Income, was income of $15 million for the three months ended March 31, 2024, compared with income of $14 million for the three months ended March 31, 2023