Benefit Plans (Tables)

9 Months Ended

Nov. 02, 2013

Pension and Other Postretirement Benefit Expense [Abstract]

Schedule of Net Periodic Benefit Costs

The actuarially determined components of the net periodic benefit cost are as follows:

	13 Weeks Ended						39 Weeks Ended
	November 2, 2013			October 27, 2012			November 2, 2013			October 27, 2012
	(millions)
Pension Plan
Service cost	$	28		$	30		$	84		$	88
Interest cost	36			40			107			118
Expected return on assets	(60		)	(64		)	(181		)	(190		)
Recognition of net actuarial loss	34			35			105			106
Amortization of prior service credit	—			(1		)	—			(1		)
	$	38		$	40		$	115		$	121
Supplementary Retirement Plan
Service cost	$	2		$	1		$	5		$	4
Interest cost	8			9			24			26
Recognition of net actuarial loss	4			4			14			13
Amortization of prior service credit	—			—			—			—
	$	14		$	14		$	43		$	43
Postretirement Obligations
Service cost	$	—		$	—		$	—		$	—
Interest cost	2			3			7			9
Recognition of net actuarial gain	—			(1		)	(2		)	(3		)
Amortization of prior service cost	—			—			—			—
	$	2		$	2		$	5		$	6