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

12 Months Ended

Jan. 28, 2012

Postretirement Benefit Plans [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 28, 2012 and January 29, 2011:

	2011			2010
	(millions)
Change in accumulated postretirement benefit obligation
Accumulated postretirement benefit obligation, beginning of year	$	278		$	278
Service cost	—			—
Interest cost	14			15
Actuarial (gain) loss	(3		)	8
Medicare Part D subsidy	2			2
Benefits paid	(25		)	(25		)
Accumulated postretirement benefit obligation, end of year	$	266		$	278
Change in plan assets
Fair value of plan assets, beginning of year	$	—		$	—
Company contributions	25			25
Benefits paid	(25		)	(25		)
Fair value of plan assets, end of year	$	—		$	—
Funded status at end of year	$	(266	)	$	(278	)
Amounts recognized in the Consolidated Balance Sheets at January 28, 2012 and January 29, 2011
Accounts payable and accrued liabilities	$	(29	)	$	(30	)
Other liabilities	(237		)	(248		)
	$	(266	)	$	(278	)
Amounts recognized in accumulated other comprehensive (income) loss at January 28, 2012 and January 29, 2011
Net actuarial gain	$	(23	)	$	(25	)

Schedule of Net Periodic Benefit Costs

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

	2011			2010			2009
	(millions)
Net Periodic Postretirement Benefit Cost
Service cost	$	—		$	—		$	—
Interest cost	14			15			19
Amortization of net actuarial gain	(5		)	(5		)	(7		)
Amortization of prior service credit	—			—			—
	9			10			12
Other Changes in Plan Assets and Projected Benefit Obligation
Recognized in Other Comprehensive Income
Net actuarial (gain) loss	(3		)	8			8
Amortization of net actuarial gain	5			5			7
Amortization of prior service credit	—			—			—
	2			13			15
Total recognized in net periodic postretirement benefit cost and other    comprehensive income	$	11		$	23		$	27

Weighted Average Assumption To Determine Projected Benefit Obligations

The following weighted average assumptions were used to determine the accumulated postretirement benefit obligations at January 28, 2012 and January 29, 2011:

	2011		2010
Discount rate	4.65	%	5.40	%

Schedule of Assumptions Used to Determine Net Periodic Costs

The following weighted average assumptions were used to determine the net postretirement benefit costs for the postretirement obligations:

	2011		2010		2009
Discount rate	5.40	%	5.65	%	7.45	%

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 28, 2012 and January 29, 2011:

	2011	2010
Health care cost trend rates assumed for next year	8.08% - 9.62%	8.38% – 10.08%
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	2022	2022

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	$1	$(1)
Effect on accumulated postretirement benefit obligations	$15	$(13)

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:
2012	$	28	$	1
2013	27		1
2014	25		1
2015	22		1
2016	21		1
2017-2021	95		4