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BENEFIT PLANS - Additional Information (Detail)
9 Months Ended 12 Months Ended
Dec. 03, 2016
USD ($)
Feb. 24, 2018
USD ($)
Employees
Agreement
plan
Feb. 25, 2017
USD ($)
Feb. 27, 2016
USD ($)
Pension Plans, Postretirement and Other Employee Benefits [Line Items]        
Contribution to pension plans   $ 11,000,000    
Retirement Plan Contribution, In Excess of Required Minimum   60    
Defined Benefit Plan, Benefit Obligation, Payment for Settlement     $ 200,000,000  
Contribution to other postretirement benefits plan   $ 13,000,000    
Defined benefit plan periodic cost increased in next fiscal year       $ 28,000,000
Assumed healthcare cost trend rate   7.80%    
Assumed healthcare cost ultimate trend rate   4.50%    
Specified age of employee for post retirement benefit plans   65 years    
Company's service and interest cost would impact due to a 100 basis point change in the trend rate   $ 1,000,000    
Company's accumulated postretirement benefit obligation would impact due to a 100 basis point decrease in the trend rate   3,000,000    
Company's accumulated postretirement benefit obligation would impact due to a 100 basis point increase in the trend rate   3,000,000    
Settlement of asset retirement obligations through noncash payments     $ 42,000,000  
Discount rate 4.10%     4.25%
Expected return on plan assets 6.50%   6.50% 6.50%
Finalization of pension and other postretirement benefit plan valuation, before tax $ 172,000,000      
Pension and other postretirement benefit plans, adjustment, before reclassification adjustments $ 105,000,000      
Total contribution expenses of defined contribution plans   11,000,000 $ 8,000,000 $ 4,000,000
Contribution to pension plans   $ 44,000,000 $ 36,000,000 $ 36,000,000
Number of plans included in other multiemployer pension plans | plan   7    
Company's number of employees (employees) | Employees   23,000,000    
Number of collective bargaining agreements covering employees renegotiated (agreements) | Agreement   21    
Number of employees renegotiated collective bargaining agreement (employees) | Employees   5,100,000    
Number of collective bargaining agreements covering employees expired without renegotiated (agreements)   0    
Number of collective bargaining agreements covering employees expired (agreements) | Agreement   15    
Minimum        
Pension Plans, Postretirement and Other Employee Benefits [Line Items]        
Discount rate   337.00% 3.78% 4.16%
Expected return on plan assets   6.00%    
Minimum | Green Zone        
Pension Plans, Postretirement and Other Employee Benefits [Line Items]        
Maximum percentage of funded status   80.00%    
Maximum        
Pension Plans, Postretirement and Other Employee Benefits [Line Items]        
Discount rate   404.00% 3.92% 3.95%
Expected return on plan assets   6.25%    
Maximum | Red Zone        
Pension Plans, Postretirement and Other Employee Benefits [Line Items]        
Maximum percentage of funded status   65.00%    
Maximum | Yellow Zone        
Pension Plans, Postretirement and Other Employee Benefits [Line Items]        
Maximum percentage of funded status   80.00%    
Maximum | Deep Red Zone [Member]        
Pension Plans, Postretirement and Other Employee Benefits [Line Items]        
Benefit Plan, Insolvency Projection Term   15 years    
Number of Employees Covered by Collective Bargaining Agreements        
Pension Plans, Postretirement and Other Employee Benefits [Line Items]        
Number of employees covered by collective bargaining agreements (employees) | Employees   14,000,000    
Number of collective bargaining agreements covering employees renegotiated (agreements) | Agreement   52    
Collective Bargaining Agreements Covering Employees Expire Within One Year        
Pension Plans, Postretirement and Other Employee Benefits [Line Items]        
Number of employee expire collective bargaining agreement (employees) | Employees   5,000    
Pension Benefits        
Pension Plans, Postretirement and Other Employee Benefits [Line Items]        
Change in Accounting Estimate, Description     31 22
Reduction in postretirement benefit obligation   $ (21,000,000) $ 0  
Contribution to pension plans   2,000,000 62,000,000  
Pension Benefits | Minimum        
Pension Plans, Postretirement and Other Employee Benefits [Line Items]        
Contribution to pension plans   5,000,000    
Pension Benefits | Maximum        
Pension Plans, Postretirement and Other Employee Benefits [Line Items]        
Contribution to pension plans   10,000,000    
Other Postretirement Benefits        
Pension Plans, Postretirement and Other Employee Benefits [Line Items]        
Change in Accounting Estimate, Description       1
Reduction in postretirement benefit obligation   (1,000,000) (7,000,000)  
Contribution to pension plans   0 4,000,000  
Multiemployer Postretirement Benefit Plans Other Than Pensions [Member]        
Pension Plans, Postretirement and Other Employee Benefits [Line Items]        
Contribution to multi-employer plans   $ 92,000,000 $ 78,000,000 $ 70,000,000
Unified Grocers, Inc. [Member]        
Pension Plans, Postretirement and Other Employee Benefits [Line Items]        
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year, Description   4    
After [Member]        
Pension Plans, Postretirement and Other Employee Benefits [Line Items]        
Assumed healthcare cost trend rate   8.70%