COMPANY-SPONSORED BENEFIT PLANS (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jan. 31, 2015	Feb. 01, 2014	Feb. 02, 2013
Amounts recognized in AOCI (pre-tax):
Net actuarial loss (gain)	$ 1,309	$ 746
Prior service cost (credit)	(74)	(33)
Total	1,235	713
Amounts in AOCI expected to be recognized as components of net periodic pension or postretirement benefit costs in the next fiscal year (pre-tax):
Net actuarial loss (gain)	93
Prior service cost (credit)	(11)
Total	82
Other changes recognized in other comprehensive income (pre-tax):
Incurred net actuarial loss (gain)	604	(340)	(27)
Amortization of prior service credit (cost)	7	4	4
Amortization of net actuarial gain (loss)	(42)	(102)	(97)
Other	(47)	(30)
Total recognized in other comprehensive income (loss)	522	(468)	(120)
Total recognized in net periodic benefit cost and other comprehensive income	586	(366)	(3)
Pension Benefits
Amounts recognized in AOCI (pre-tax):
Net actuarial loss (gain)	1,398	857
Prior service cost (credit)	1	2
Total	1,399	859
Amounts in AOCI expected to be recognized as components of net periodic pension or postretirement benefit costs in the next fiscal year (pre-tax):
Net actuarial loss (gain)	99
Total	99
Other changes recognized in other comprehensive income (pre-tax):
Incurred net actuarial loss (gain)	590	(243)	(33)
Amortization of net actuarial gain (loss)	(50)	(102)	(97)
Total recognized in other comprehensive income (loss)	540	(345)	(130)
Total recognized in net periodic benefit cost and other comprehensive income	595	(271)	(41)
Other Benefits
Amounts recognized in AOCI (pre-tax):
Net actuarial loss (gain)	(89)	(111)
Prior service cost (credit)	(75)	(35)
Total	(164)	(146)
Amounts in AOCI expected to be recognized as components of net periodic pension or postretirement benefit costs in the next fiscal year (pre-tax):
Net actuarial loss (gain)	(6)
Prior service cost (credit)	(11)
Total	(17)
Other changes recognized in other comprehensive income (pre-tax):
Incurred net actuarial loss (gain)	14	(97)	6
Amortization of prior service credit (cost)	7	4	4
Amortization of net actuarial gain (loss)	8
Other	(47)	(30)
Total recognized in other comprehensive income (loss)	(18)	(123)	10
Total recognized in net periodic benefit cost and other comprehensive income	$ (9)	$ (95)	$ 38