COMPANY- SPONSORED BENEFIT PLANS (Details 3) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jan. 28, 2012 Y	Jan. 29, 2011	Jan. 30, 2010
Weighted average assumptions used to determine pension benefits and other benefits
The number of years in which the Company average annual return rate and the average annual return rate of the S&P 500 have been at the current rates	20
Percentage of average annual rate of return for past 20 years	9.40%
Percentage of average annual return for the S&P 500 for past twenty years	8.70%
Period of recognition of gains or losses on plan assets (in years)	5
Pension Benefits
Weighted average assumptions used to determine pension benefits and other benefits
Discount rate - Benefit obligation (as a percent)	4.55%	5.60%	6.00%
Discount rate - Net periodic benefit cost (as a percent)	5.60%	6.00%	7.00%
Expected return on plan assets (as a percent)	8.50%	8.50%	8.50%
Rate of compensation increase - Net periodic benefit cost (as a percent)	2.88%	2.92%	2.92%
Rate of compensation increase - Benefit Obligation (as a percent)	2.82%	2.88%	2.92%
Increase in discount rate used to determine pension benefit obligation, as compared to prior year (in basis points)	100
Decrease in pension benefit obligation due to change in discount rate	$ 406
Assumed pension plan investment return rate (as a percent)	8.50%	8.50%	8.50%
Pension plan's average rate of return for the 10 calendar years ended December 31, net of all investment management fees and expenses (as a percent)	7.20%
The measurement period for the pension plan's average annual rate of return, rate in calendar years	10
Percentage increase in value of all investments in Company-sponsored defined benefit pension plans, net of investment management fees and expenses	1.60%
Other Benefits
Weighted average assumptions used to determine pension benefits and other benefits
Discount rate - Benefit obligation (as a percent)	4.40%	5.40%	5.80%
Discount rate - Net periodic benefit cost (as a percent)	5.40%	5.80%	7.00%