Benefit Plans (Tables)

3 Months Ended

Apr. 30, 2011

Benefit Plans

Actuarially Determined Components of Net Periodic Benefit Cost

	13 Weeks Ended
	April 30, 2011			May 1, 2010
	(millions)
Pension Plan
Service cost	$	26		$	24
Interest cost		40			39
Expected return on assets		(62	)		(54	)
Recognition of net actuarial loss		21			15
Amortization of prior service cost		0			0
	$	25		$	24
Supplementary Retirement Plan
Service cost	$	1		$	2
Interest cost		9			9
Recognition of net actuarial loss		2			1
Amortization of prior service cost		0			0
	$	12		$	12
Postretirement Obligations
Service cost	$	0		$	0
Interest cost		4			4
Recognition of net actuarial gain		(1	)		(1	)
Amortization of prior service cost		0			0
	$	3		$	3