BENEFIT PLANS - MULTI EMPLOYER PENSION PLAN OBLIGATIONS (Details) - Multi-employer Pension Plan $ in Millions	3 Months Ended	4 Months Ended
	Aug. 13, 2016 USD ($)	May 20, 2017 USD ($) item
Multiemployer Plans
Charge (before-tax) related to pension plan agreements	$ 111	$ 199
Charge (after-tax) related to pension plan agreements	$ 71	$ 126
Number of multi-employer pension plans withdrawn | item		2
Multi-employer pension plan liability payout period		20 years