Employee Benefits (Tables)

9 Months Ended

Sep. 30, 2015

Compensation and Retirement Disclosure [Abstract]

Components of Net Periodic Benefit Cost

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

	Three Months Ended September 30,												Nine Months Ended September 30,
	Pension Plans						Postretirement Welfare Plan						Pension Plans						Postretirement Welfare Plan
(Dollars in Millions)	2015			2014			2015			2014			2015			2014			2015			2014
Service cost	$	47		$	38		$	–		$	–		$	141		$	114		$	–		$	–
Interest cost		49			50			1			1			146			148			3			3
Expected return on plan assets		(56	)		(51	)		–			(1	)		(167	)		(155	)		(1	)		(1	)
Prior service cost (credit) amortization		(2	)		(2	)		(1	)		(1	)		(4	)		(4	)		(2	)		(3	)
Actuarial loss (gain) amortization		59			39			(1	)		(1	)		176			118			(3	)		(4	)
Net periodic benefit cost	$	97		$	74		$	(1	)	$	(2	)	$	292		$	221		$	(3	)	$	(5	)