Revolving Credit Facilities (Tables)

12 Months Ended

Dec. 31, 2013

Revolving Credit Facilities [Abstract]

Schedule of Short-term Debt [Table Text Block]

Short-term borrowings under these credit facilities and related interest rates were as follows (dollars in millions):

	Years Ended December 31,
	2013			2012			2011
Average daily amount of short-term debt outstanding	$	9		$	4		$	2
Weighted daily average interest rate *	0.4		%	0.4		%	0.4		%
Maximum amount outstanding during the year	$	54		$	44		$	44

* Excludes the effect of commitment fees, facility fees and other financing fees.