Company Restructuring (Tables)

6 Months Ended

Jun. 30, 2012

Company Restructuring

Schedule of changes in the restructuring liability

($ in millions)		Employee costs			Exit costs			Total liability
Balance as of December 31, 2011	$	5		$	5		$	10
Expense incurred		2			3			5
Payments applied against liability		(5	)		(3	)		(8	)
Balance as of June 30, 2012	$	2		$	5		$	7