Benefit Plans (Tables)

9 Months Ended

Oct. 29, 2016

Pension and Other Postretirement Benefit Expense [Abstract]

Schedule of Costs of Retirement Plans

The defined contribution plan expense and actuarially determined components of the net periodic benefit cost (income) associated with the defined benefit plans are as follows:

	13 Weeks Ended						39 Weeks Ended
	October 29, 2016			October 31, 2015			October 29, 2016			October 31, 2015
	(millions)
401(k) Qualified Defined Contribution Plan	$	22		$	22		$	71		$	69
Non-Qualified Defined Contribution Plan	$	—		$	1		$	1		$	1
Pension Plan
Service cost	$	1		$	2		$	3		$	5
Interest cost	27			35			83			103
Expected return on assets	(56		)	(59		)	(170		)	(176		)
Recognition of net actuarial loss	7			9			22			28
Amortization of prior service credit	—			—			—			—
	$	(21	)	$	(13	)	$	(62	)	$	(40	)
Supplementary Retirement Plan
Service cost	$	—		$	—		$	—		$	—
Interest cost	5			7			17			23
Recognition of net actuarial loss	3			3			7			8
Amortization of prior service cost	—			—			—			—
	$	8		$	10		$	24		$	31
Total Retirement Expense	$	9		$	20		$	34		$	61
Postretirement Obligations
Service cost	$	—		$	—		$	—		$	—
Interest cost	1			2			4			6
Recognition of net actuarial gain	(1		)	—			(3		)	—
Amortization of prior service cost	—			—			—			—
	$	—		$	2		$	1		$	6