Debt (Tables)

12 Months Ended

Jan. 28, 2012

Debt [Abstract]

Components Of Long-Term Debt

	January 28, 2012						January 29, 2011
Maturing	Effective Rate			Out- standing			Effective Rate			Out- standing
	($ in Millions)
Non-callable and unsecured senior debt:
2017		6.31	%	$	650			6.31	%	$	650
2021		4.81	%		650			—			—
2029		7.36	%		200			7.36	%		200
2033		6.05	%		300			6.05	%		300
2037		6.89	%		350			6.89	%		350
March 2011		—			—			6.32	%		300
October 2011		—			—			7.41	%		100
Total senior debt		6.01	%		2,150			6.55	%		1,900
Unamortized debt discount					(9	)					(6	)
Less current portion					—						(400	)
Long-term debt				$	2,141					$	1,494