BENEFIT PLANS - MULTI EMPLOYER PENSION PLAN OBLIGATIONS (Details) - Multi-employer pension funds $ in Millions	4 Months Ended
May 20, 2017 USD ($) item
Multiemployer Plans
Charge (before-tax) related to pension plan agreements	$ 199
Charge (after-tax) related to pension plan agreements	$ 126
Number of multi-employer pension plans withdrawn \| item	2

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