Amounts in accumulated other comprehensive income related to gains and losses, net of taxes, that are not recognized immediately and are expected to be recognized as components of net periodic benefit cost over the next fiscal year that follows the most recent annual statement of financial position presented.

No definition available.

Pension and Postretirement Health Care Plans (Details 2) (USD $)	12 Months Ended
	Feb. 01, 2014	Feb. 02, 2013	Jan. 28, 2012
Expected Amortization of Amounts in Accumulated Other Comprehensive Income
Net actuarial loss, pretax	$ 70,000,000
Prior service credits, pretax	(27,000,000)
Total amortization expense, pretax	(43,000,000)
Net actuarial loss, net of tax	43,000,000
Prior service credits, net of tax	(16,000,000)
Total amortization expense, net of tax	27,000,000
Defined Benefit Pension Plan Information
Accumulated benefit obligation (ABO) for all plans	3,149,000,000	3,140,000,000
Projected benefit obligation for pension plans with an ABO in excess of plan assets	54,000,000	59,000,000
Total ABO for pension plans with an ABO in excess of plan assets	48,000,000	53,000,000
Amount of future salary growth assumed to determine present value of benefit earned to date	0	0
Benefit Obligation Weighted Average Assumptions
Expected Market-Related Value of Assets, adjustments (as a percent)	20.00%
Expected Market Value of Assets, adjustment period	5 years
Increase in the cost of covered health care benefits (as a percent)	7.00%	7.50%
Ultimate health care cost trend rate (as a percent)	5.00%
Health care cost trend rate in 2014 (as a percent)	7.50%
Effect of a one percent change in health care cost trend rates
Effect of a one percent increase on the total of service and interest cost components of net periodic postretirement health care benefit expense	1,000,000
Effect of a one percent decrease on the total of service and interest cost components of net periodic postretirement health care benefit expense	(1,000,000)
Effect of a one percent increase on the health care component of the accumulated postretirement benefit obligation	5,000,000
Effect of a one percent decrease on the health care component of the accumulated postretirement benefit obligation	(5,000,000)
Defined Benefit Plan Information
Current targeted allocation	100.00%
Actual allocation (as a percent)	100.00%	100.00%
Total fair value of plan assets	3,267,000,000	3,223,000,000
Level 1
Defined Benefit Plan Information
Total fair value of plan assets	6,000,000	5,000,000
Level 2
Defined Benefit Plan Information
Total fair value of plan assets	2,913,000,000	2,860,000,000
Level 3
Defined Benefit Plan Information
Total fair value of plan assets	348,000,000	358,000,000
Cash and cash equivalents
Defined Benefit Plan Information
Total fair value of plan assets	150,000,000	174,000,000
Cash and cash equivalents \| Level 1
Defined Benefit Plan Information
Total fair value of plan assets	6,000,000	5,000,000
Cash and cash equivalents \| Level 2
Defined Benefit Plan Information
Total fair value of plan assets	144,000,000	169,000,000
Cash and cash equivalents \| Level 3
Defined Benefit Plan Information
Total fair value of plan assets	0	0
Common collective trusts
Defined Benefit Plan Information
Total fair value of plan assets	1,000,000,000	878,000,000
Common collective trusts \| Level 1
Defined Benefit Plan Information
Total fair value of plan assets	0	0
Common collective trusts \| Level 2
Defined Benefit Plan Information
Total fair value of plan assets	1,000,000,000	878,000,000
Common collective trusts \| Level 3
Defined Benefit Plan Information
Total fair value of plan assets	0	0
Domestic equity securities
Benefit Obligation Weighted Average Assumptions
Expected annualized long-term rate of return on plan assets (as a percent)	8.00%
Defined Benefit Plan Information
Current targeted allocation	19.00%
Actual allocation (as a percent)	21.00%	20.00%
Actual allocation of common stock of total plan assets included in equity securities (as a percent)	1.00%	1.00%
International equity securities
Defined Benefit Plan Information
Current targeted allocation	12.00%
Actual allocation (as a percent)	12.00%	11.00%
Government securities
Defined Benefit Plan Information
Total fair value of plan assets	282,000,000	296,000,000
Government securities \| Level 1
Defined Benefit Plan Information
Total fair value of plan assets	0	0
Government securities \| Level 2
Defined Benefit Plan Information
Total fair value of plan assets	282,000,000	296,000,000
Government securities \| Level 3
Defined Benefit Plan Information
Total fair value of plan assets	0	0
Fixed income
Defined Benefit Plan Information
Total fair value of plan assets	541,000,000	560,000,000
Fixed income \| Level 1
Defined Benefit Plan Information
Total fair value of plan assets	0	0
Fixed income \| Level 2
Defined Benefit Plan Information
Total fair value of plan assets	541,000,000	560,000,000
Fixed income \| Level 3
Defined Benefit Plan Information
Total fair value of plan assets	0	0
Debt securities
Benefit Obligation Weighted Average Assumptions
Expected annualized long-term rate of return on plan assets (as a percent)	5.00%
Defined Benefit Plan Information
Current targeted allocation	25.00%
Actual allocation (as a percent)	26.00%	27.00%
Balanced funds
Benefit Obligation Weighted Average Assumptions
Expected annualized long-term rate of return on plan assets (as a percent)	8.00%
Defined Benefit Plan Information
Current targeted allocation	30.00%
Actual allocation (as a percent)	28.00%	29.00%
Total fair value of plan assets	903,000,000	925,000,000
Balanced funds \| Level 1
Defined Benefit Plan Information
Total fair value of plan assets	0	0
Balanced funds \| Level 2
Defined Benefit Plan Information
Total fair value of plan assets	903,000,000	925,000,000
Balanced funds \| Level 3
Defined Benefit Plan Information
Total fair value of plan assets	0	0
Private equity funds
Defined Benefit Plan Information
Total fair value of plan assets	221,000,000	236,000,000
Private equity funds \| Level 1
Defined Benefit Plan Information
Total fair value of plan assets	0	0
Private equity funds \| Level 2
Defined Benefit Plan Information
Total fair value of plan assets	0	0
Private equity funds \| Level 3
Defined Benefit Plan Information
Total fair value of plan assets	221,000,000	236,000,000	283,000,000
Other assets
Benefit Obligation Weighted Average Assumptions
Expected annualized long-term rate of return on plan assets (as a percent)	9.50%
Defined Benefit Plan Information
Current targeted allocation	14.00%
Actual allocation (as a percent)	13.00%	13.00%
Total fair value of plan assets	170,000,000	154,000,000
Other assets \| Level 1
Defined Benefit Plan Information
Total fair value of plan assets	0	0
Other assets \| Level 2
Defined Benefit Plan Information
Total fair value of plan assets	43,000,000	32,000,000
Other assets \| Level 3
Defined Benefit Plan Information
Total fair value of plan assets	127,000,000	122,000,000	115,000,000
Real Estate
Defined Benefit Plan Information
Actual allocation (as a percent)	5.00%
Pension Benefits
Net Pension and Postretirement Health Care Benefits Expense
Service cost benefits earned during the period	118,000,000	121,000,000	117,000,000
Interest cost on projected benefit obligation	137,000,000	139,000,000	137,000,000
Expected return on assets	(235,000,000)	(220,000,000)	(206,000,000)
Amortization of losses	103,000,000	103,000,000	67,000,000
Amortization of prior service cost	(11,000,000)	0	(2,000,000)
Settlement and Special Termination Charges	3,000,000	0	0
Total Net Pension and Postretirement Health Care Benefits Expense	115,000,000	143,000,000	113,000,000
Benefit Obligation Weighted Average Assumptions
Discount rate (as a percent)	4.77%	4.40%
Average assumed rate of compensation increase (as a percent)	3.00%	3.00%
Defined Benefit Plan Information
Actual contributions by employer to their qualified defined benefit pension plans		122,000,000
Postretirement Health Care Benefits
Net Pension and Postretirement Health Care Benefits Expense
Service cost benefits earned during the period	6,000,000	10,000,000	10,000,000
Interest cost on projected benefit obligation	2,000,000	3,000,000	4,000,000
Expected return on assets	0	0	0
Amortization of losses	6,000,000	3,000,000	4,000,000
Amortization of prior service cost	(16,000,000)	(10,000,000)	(10,000,000)
Settlement and Special Termination Charges	0	0	0
Total Net Pension and Postretirement Health Care Benefits Expense	(2,000,000)	6,000,000	8,000,000
Benefit Obligation Weighted Average Assumptions
Discount rate (as a percent)	3.30%	2.75%
Defined Benefit Plan Information
Total fair value of plan assets	0	0	0
Postretirement Health Care Benefits \| Minimum
Defined Benefit Plan Information
Estimated contribution by employer in the next fiscal year	5,000,000
Postretirement Health Care Benefits \| Maximum
Defined Benefit Plan Information
Estimated contribution by employer in the next fiscal year	$ 6,000,000