Long-term Debt and Capital Lease Obligation (Tables)

12 Months Ended

Dec. 31, 2011

Book Value and Principal Amounts of Long-Term Debt

This table summarizes the principal amounts of our long-term debt excluding unamortized discounts:

						Book value				Principal amount
(In millions)						December 31,		December 31,		December 31,		December 31,
Interest rate			Year of issue			2011		2010		2011		2010
	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		371		371		374		374
					Total	$	790	$	790	$	793	$	793

Capital Lease Payments Over Next Five Years

Below are the expected capital lease obligations, totaling $31 million, excluding an insignificant amount of interest, that we expect to pay over the next five years:

	Years ended December 31,
(In millions)	2012		2013		2014		2015		2016
Capital lease obligations	$	14	$	11	$	4	$	2	$	0