Long-Term Debt and Revolving Promissory Note (Tables)

6 Months Ended

Jun. 30, 2013

Long-Term Debt and Revolving Promissory Note

Schedule of long-term debt, including unamortized discounts and premiums

	Interest Rates	Maturities	June 30, 2013		December 31, 2012
			(Dollars in millions)
Senior notes	6.125% – 8.375%	2014 – 2053		7,411		7,386
Capital lease and other obligations	Various	Various		95		112
Unamortized premiums, net				98		127
Total long-term debt				7,604		7,625
Less current maturities				(45)		(804)
Long-term debt, excluding current maturities			$	7,559		6,821