Postretirement Health Care and Life Insurance Benefits (Tables) (Other Postretirement Benefit Plan [Member])

12 Months Ended

Jan. 31, 2015

Other Postretirement Benefit Plan [Member]

Reconciliation of Benefit Obligations, Plan Assets, and Funded Status Pension Plan

The following provides a reconciliation of benefit obligations, plan assets, and funded status of the postretirement obligations as of January 31, 2015 and February 1, 2014:

	2014			2013
	(millions)
Change in accumulated postretirement benefit obligation
Accumulated postretirement benefit obligation, beginning of year	$	223		$	250
Service cost	—			—
Interest cost	10			10
Actuarial (gain) loss	30			(15		)
Medicare Part D subsidy	1			1
Benefits paid	(21		)	(23		)
Accumulated postretirement benefit obligation, end of year	243			223
Change in plan assets
Fair value of plan assets, beginning of year	—			—
Company contributions	21			23
Benefits paid	(21		)	(23		)
Fair value of plan assets, end of year	—			—
Funded status at end of year	$	(243	)	$	(223	)
Amounts recognized in the Consolidated Balance Sheets at January 31, 2015 and February 1, 2014
Accounts payable and accrued liabilities	$	(22	)	$	(26	)
Other liabilities	(221		)	(197		)
	$	(243	)	$	(223	)
Amounts recognized in accumulated other comprehensive loss at January 31, 2015 and February 1, 2014
Net actuarial gain	$	—		$	(35	)

Schedule of Net Periodic Benefit Costs

Net postretirement benefit costs and other amounts recognized in other comprehensive loss included the following actuarially determined components:

	2014			2013			2012
	(millions)
Net Periodic Postretirement Benefit Cost
Service cost	$	—		$	—		$	—
Interest cost	10			10			12
Amortization of net actuarial gain	(5		)	(3		)	(4		)
Amortization of prior service cost	—			—			—
	5			7			8
Other Changes in Plan Assets and Projected Benefit Obligation Recognized in Other Comprehensive Loss
Net actuarial (gain) loss	30			(15		)	(4		)
Amortization of net actuarial gain	5			3			4
Amortization of prior service cost	—			—			—
	35			(12		)	—
Total recognized in net periodic postretirement benefit cost and other    comprehensive loss	$	40		$	(5	)	$	8

Weighted Average Assumptions

The following weighted average assumption was used to determine the net postretirement benefit costs for the postretirement obligations:

	2014		2013		2012
Discount rate	4.50	%	4.15	%	4.65	%

The following weighted average assumption was used to determine the accumulated postretirement benefit obligations at January 31, 2015 and February 1, 2014:

	2014		2013
Discount rate	3.55	%	4.50	%

Schedule of Health Care Cost Trend Rates

The following provides the assumed health care cost trend rates related to the Company’s accumulated postretirement benefit obligations at January 31, 2015 and February 1, 2014:

	2014	2013
Health care cost trend rates assumed for next year	7.27% - 8.90%	7.27% - 9.20%
Rates to which the cost trend rate is assumed to decline (the ultimate trend rate)	5.0%	5.0%
Year that the rate reaches the ultimate trend rate	2025	2025

Schedule Of Effect Of One Percentage Point Change In Assumed Health Care Cost Trend Rates

A one-percentage-point change in the assumed health care cost trend rates would have the following effects:

	1 – Percentage Point Increase	1 – Percentage Point Decrease
	(millions)
Effect on total of service and interest cost	$—	$—
Effect on accumulated postretirement benefit obligations	$17	$(15)

Estimated Future Benefit Payments

The following table reflects the benefit payments estimated to be funded by the Company and paid from the accumulated postretirement benefit obligations and estimated federal subsidies expected to be received under the Medicare Prescription Drug Improvement and Modernization Act of 2003:

	Expected Benefit Payments		Expected Federal Subsidy
	(millions)
Fiscal Year
2015	$	21	$	1
2016	20		1
2017	19		1
2018	19		1
2019	18		1
2020-2024	79		3