Commitments and Contingent Liabilities Commitments and Contingent Liabilities (Tables)

3 Months Ended

Mar. 31, 2012

Commitments and Contingencies Disclosure [Abstract]

Number Of Claims Filed [Table Text Block]

	Three Months Ended			Year Ended
(Dollars in millions)	March 31, 2012			December 31, 2011
Pending claims, beginning of period	78,500			83,700
New claims filed	500			2,200
Claims settled/dismissed	(3,000		)	(7,400		)
Pending claims, end of period	76,000			78,500
Payments (1)	$	3		$	23