Retirement Plans (Tables)

3 Months Ended

Mar. 31, 2019

Compensation And Retirement Disclosure [Abstract]

Components of Net Periodic Pension Cost

Components of net periodic pension cost consisted of the following:

	Three Months Ended
	March 31,
	2019			2018
	(In millions)
Service cost	$	10		$	14
Interest cost (a)		24			23
Expected return on plan assets (a)		(45	)		(49	)
Amortization of unrecognized net actuarial losses (a)		11			12
Curtailment gains (a)		—			(2	)
Pension (income) expense (a)	$	—		$	(2	)

(a) Net non-service pension cost included in Other, net in the Statement of Consolidated Income in the first quarter of 2019 was income of $10 million (2018: $16 million of income).