Employee Benefits (Tables)

3 Months Ended

Mar. 31, 2018

Retirement Benefits [Abstract]

Components of Net Periodic Benefit Cost

The components of net periodic benefit cost for the Company’s retirement plans were:

	Three Months Ended March 31
	Pension Plans						Postretirement Welfare Plan
(Dollars in Millions)	2018			2017			2018			2017
Service cost	$	52		$	47		$	–		$	–
Interest cost		56			55			1			1
Expected return on plan assets		(95	)		(71	)		(1	)		(1	)
Prior service cost (credit) amortization		–			(1	)		(1	)		(1	)
Actuarial loss (gain) amortization		37			32			(2	)		(1	)
Net periodic benefit cost (a)	$	50		$	62		$	(3	)	$	(2	)

(a) Service cost is included in employee benefits expense on the Consolidated Statement of Income. All other components are included in other noninterest expense on the Consolidated Statement of Income.