Debt

Long-term debt consists of the following unsecured senior debt:



					Outstanding
Maturing	Effective Rate		Coupon Rate		February 1, 2014			February 2, 2013
					(Dollars in Millions)
2017	6.31	%	6.25	%	$	650		$	650
2021	4.81	%	4.00	%	650			650
2023	3.25	%	3.25	%	350			350
2023	4.78	%	4.75	%	300			—
2029	7.36	%	7.25	%	200			200
2033	6.05	%	6.00	%	300			300
2037	6.89	%	6.88	%	350			350
Total senior debt	5.54	%			2,800			2,500
Unamortized debt discount					(8		)	(8		)
Long-term debt					$	2,792		$	2,492

In September 2013, we issued $300 million of 4.75% notes with semi-annual interest payments beginning December 2013. The notes mature on December 15, 2023.

In September 2012, we issued $350 million of 3.25% notes with semi-annual interest payments beginning February 2013. The notes mature on February 1, 2023.

2. Debt (continued)

In June 2013, we amended the $1 billion senior unsecured revolving line of credit that we finalized in June 2011. The amendment extended the remaining term from June 2016 to June 2018 and changed the debt ratio covenant. There were no outstanding borrowings on this line of credit in 2013 or 2012.

Our various debt agreements contain covenants including limitations on additional indebtedness and certain financial tests. As of February 1, 2014, we were in compliance with all covenants of the various debt agreements.

We also have outstanding trade letters of credit and stand-by letters of credit totaling approximately $64 million at February 1, 2014, issued under uncommitted lines with two banks.