Retirement Plans (Tables)

3 Months Ended

Mar. 31, 2021

Retirement Benefits [Abstract]

Components of Net Periodic Pension Cost

Components of net periodic pension cost consisted of the following:

	Three Months Ended March 31,
	2021		2020
	(In millions)
Service cost	$	14	$	14
Interest cost (a)	14		18
Expected return on plan assets (a)	(50)		(45)
Amortization of unrecognized net actuarial losses (a)	15		12
Settlement loss (a)	1		—
Pension (income) expense (a)	$	(6)	$	(1)

(a)  Net non-service pension cost included in Other, net in the Statement of Consolidated Income for the three months ended March 31, 2021 was income of $20 million (2020: income of $15 million).