Short-term Borrowings and Current Portion of Long-term Debt (Tables)

12 Months Ended

Dec. 31, 2014

Debt Disclosure [Abstract]

Components of short-term borrowings

Our short-term borrowings and current portion of long-term debt consists of the followings:

	December 31,
(Dollars in millions)	2014			2013
Commercial paper program	$	245		$	292
Revolving credit facility	—			772
364-day term loan facility	175			300
Other short-term bank loans	257			216
Total short-term borrowings	677			1,580
Current portion of long-term debt	50			73
Short-term borrowings and current portion of long-term debt	$	727		$	1,653
Weighted average interest rate on short-term borrowings outstanding at end of year	1.4		%	1.7		%