Employee Benefits (Tables)

9 Months Ended

Sep. 30, 2013

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)	2013			2012			2013			2012			2013			2012			2013			2012
Service cost	$	42		$	33		$	1		$	2		$	126		$	97		$	3		$	4
Interest cost		43			42			1			1			128			126			3			5
Expected return on plan assets		(44	)		(48	)		–			(1	)		(132	)		(143	)		(1	)		(2	)
Prior service cost (credit) and transition obligation (asset) amortization		(1	)		(2	)		–			–			(4	)		(4	)		–			–
Actuarial loss (gain) amortization		66			41			(3	)		(1	)		198			121			(8	)		(5	)
Net periodic benefit cost	$	106		$	66		$	(1	)	$	1		$	316		$	197		$	(3	)	$	2