Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2011

Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]

Components of expense/(income) related to net benefit expense

The following table describes the components of expense / (income) related to net benefit expense:

	Pension Benefits
(Dollars in millions)	Third Quarters						Nine Months
	2011			2010			2011			2010
Service Cost	$	10		$	10		$	30		$	31
Interest Cost	30			30			90			91
Expected Return on Plan Assets	(39		)	(42		)	(118		)	(124		)
Amortization of Net Loss	18			15			54			44
Total Expense	$	19		$	13		$	56		$	42
	Other Post-retirement Benefits
(Dollars in millions)	Third Quarters						Nine Months
	2011			2010			2011			2010
Service Cost	$	1		$	2		$	3		$	4
Interest Cost	4			5			10			14
Amortization of Net Loss	2			1			5			5
Amortization of Prior Service Cost	—			—			(1		)	—
Total Expense	$	7		$	8		$	17		$	23