Benefit Plans (Tables)

6 Months Ended

Jul. 30, 2011

Benefit Plans

Actuarially Determined Components Of Net Periodic Benefit Cost

	13 Weeks Ended						26 Weeks Ended
	July 30, 2011			July 31, 2010			July 30, 2011			July 31, 2010
	(millions)
Pension Plan
Service cost	$	25		$	26		$	51		$	50
Interest cost		40			40			80			79
Expected return on assets		(62	)		(55	)		(124	)		(109	)
Recognition of net actuarial loss		23			15			44			30
Amortization of prior service cost		0			0			0			0
	$	26		$	26		$	51		$	50
Supplementary Retirement Plan
Service cost	$	2		$	1		$	3		$	3
Interest cost		9			9			18			18
Recognition of net actuarial loss		2			1			4			2
Amortization of prior service cost		(1	)		(1	)		(1	)		(1	)
	$	12		$	10		$	24		$	22
Postretirement Obligations
Service cost	$	0		$	0		$	0		$	0
Interest cost		3			3			7			7
Recognition of net actuarial gain		(2	)		(1	)		(3	)		(2	)
Amortization of prior service cost		0			0			0			0
	$	1		$	2		$	4		$	5