BENEFIT PLANS (Details) (USD $) In Millions, unless otherwise specified	4 Months Ended
	May 25, 2013	May 19, 2012
Amortization of:
Contribution to employee 401(k) retirement savings accounts	$ 48	$ 44
Pension Benefits
Components of net periodic benefit cost:
Service cost	15	16
Interest cost	48	49
Expected return on plan assets	(69)	(65)
Amortization of:
Actuarial loss	31	31
Net periodic benefit expense	25	31
Contribution to defined benefit pension plans	100
Other Benefits
Components of net periodic benefit cost:
Service cost	5	5
Interest cost	5	5
Amortization of:
Prior service cost	(1)	(1)
Net periodic benefit expense	$ 9	$ 9