Long-term Debt (Tables)

12 Months Ended

Dec. 31, 2014

Debt Disclosure [Abstract]

Schedule of long-term debt

We have issued various senior notes, all of which rank equally with our existing and future senior unsecured indebtedness, which have semi-annual interest payments and no sinking fund requirements. Our Long-term Debt consisted of the following:

	December 31,
(Dollars in millions)	2014		2013
5.50% Senior Notes due 2016	$	352	$	353
6.35% Senior Notes due 2017	607		610
6.00% Senior Notes due 2018	498		498
9.625% Senior Notes due 2019	1,018		1,021
5.125% Senior Notes due 2020	798		798
4.50% Senior Notes due 2022	715		747
6.50% Senior Notes due 2036	556		595
6.80% Senior Notes due 2037	298		298
7.00% Senior Notes due 2038	497		497
9.875% Senior Notes due 2039	247		247
6.75% Senior Notes due 2040	596		596
5.95% Senior Notes due 2042	478		545
4.82% secured borrowing	12		102
Capital and other lease obligations	136		153
Other	40		74
Total Notes Balance	6,848		7,134
Less amounts due in one year	50		73
Long-term debt	$	6,798	$	7,061

Schedule of maturities of long-term debt

The following is a summary of scheduled Long-term Debt maturities by year (dollars in millions):

2015	$	50
2016	395
2017	628
2018	512
2019	45
Thereafter	5,218
	$	6,848