BENEFIT PLANS (Details) (USD $) In Millions	3 Months Ended
	May 21, 2011	May 22, 2010
Amortization of:
Contribution to employee 401(k) retirement savings accounts	$ 40	$ 37
Pension Benefits
Components of net periodic benefit cost:
Service cost	14	14
Interest cost	52	52
Expected return on plan assets	(63)	(60)
Amortization of:
Actuarial loss (gain)	20	16
Net periodic benefit cost	23	22
Contribution to Company-sponsored pension plans		27
Other Benefits
Components of net periodic benefit cost:
Service cost	4	4
Interest cost	5	6
Amortization of:
Prior service cost	(1)	(2)
Actuarial loss (gain)		(1)
Net periodic benefit cost	$ 8	$ 7