Long-Term Debt And Capital Lease Obligation (Tables)

12 Months Ended

Dec. 31, 2014

Long-term Debt and Capital Lease Obligations [Abstract]

Book Value And Principal Amounts Of Long-Term Debt

This table summarizes the principal amounts of our long-term debt excluding unamortized discounts, none of which are encumbered by rating triggers:

(Dollars in millions)			Book value				Principal amount
Interest rate	Year of  issue		December 31,		December 31,		December 31,		December 31,
			2014		2013		2014		2013
6.900%	1998	Senior debentures, due 2028	$	28	$	28	$	28	$	28
6.920%	2005	Senior debentures, due 2028	391		391		391		391
6.125%	2004	Senior notes, due 2034	372		371		374		374
		Total	$	791	$	790	$	793	$	793

Capital Lease Payments Over Next Five Years

Below are the expected capital lease obligations that we expect to pay over the next six years:

(Dollars in millions)	Years ended December 31,
	2015		2016		2017		2018		2019		2020
Capital lease obligations	$	18	$	9	$	3	$	2	$	3	$	1