Short-term Borrowings and Other Debt Obligations (Tables)

12 Months Ended

Dec. 31, 2016

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)	2016			2015
Revolving credit facility	—			967
Other short-term bank loans	2			214
Total short-term borrowings	2			1,181
Current portion of long-term debt	177			401
Short-term borrowings and current portion of long-term debt	$	179		$	1,582
Weighted average interest rate on short-term borrowings outstanding at end of year	0.7		%	2.7		%