Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2013

Notes to Condensed Consolidated Financial Statements [Abstract]

Schedule of Defined Benefit Plans Disclosures [Text Block]

	Quarter Ended September 30,				Nine Months Ended September 30,
(Dollars in millions)	2013		2012		2013		2012
Defined Benefit Plans	$	21	$	209	$	72	$	233
Defined Contribution Plans	$	75	$	65	$	258	$	183

	Pension Benefits Quarter Ended September 30,						Other Postretirement Benefits Quarter Ended September 30,
(Dollars in millions)	2013			2012			2013			2012
Service cost	$	142		$	131		$	1		$	1
Interest cost	343			344			9			10
Expected return on plan assets	(526		)	(503		)	—			—
Amortization	(8		)	(7		)	(2		)	(2		)
Recognized actuarial net loss (gain)	237			180			(1		)	(1		)
Net settlement and curtailment loss	—			15			—			—
Total net periodic benefit cost	$	188		$	160		$	7		$	8

	Pension Benefits Nine Months Ended September 30,						Other Postretirement Benefits Nine Months Ended September 30,
(Dollars in millions)	2013			2012			2013			2012
Service cost	$	428		$	361		$	3		$	3
Interest cost	1,029			970			28			26
Expected return on plan assets	(1,579		)	(1,415		)	—			—
Amortization	(26		)	(13		)	(8		)	(2		)
Recognized actuarial net loss (gain)	717			541			(3		)	(5		)
Net settlement and curtailment (gain) loss	(17		)	50			—			—
Total net periodic benefit cost	$	552		$	494		$	20		$	22