Employee Benefits

6 Months Ended

Jun. 30, 2016

Compensation and Retirement Disclosure [Abstract]

Employee Benefits

  Note 10  Employee Benefits

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

	Three Months Ended June 30,												Six Months Ended June 30,
	Pension Plans						Postretirement Welfare Plan						Pension Plans						Postretirement Welfare Plan
(Dollars in Millions)	2016			2015			2016			2015			2016			2015			2016			2015
Service cost	$	44		$	47		$	–		$	–		$	88		$	94		$	–		$	–
Interest cost		53			49			1			1			105			97			2			2
Expected return on plan assets		(66	)		(55	)		–			(1	)		(132	)		(111	)		–			(1	)
Prior service cost (credit) amortization		(1	)		(1	)		(1	)		–			(2	)		(2	)		(2	)		(1	)
Actuarial loss (gain) amortization		43			58			(1	)		(1	)		87			117			(2	)		(2	)
Net periodic benefit cost	$	73		$	98		$	(1	)	$	(1	)	$	146		$	195		$	(2	)	$	(2	)