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BENEFIT PLANS - Amounts Recognized in Consolidated Balance Sheets (Detail) - USD ($)
$ in Millions
Feb. 25, 2017
Feb. 27, 2016
Pension Benefits    
Pension Plans, Postretirement and Other Employee Benefits [Line Items]    
Unfunded status at end of year $ (297) $ (545)
Other Postretirement Benefits    
Pension Plans, Postretirement and Other Employee Benefits [Line Items]    
Unfunded status at end of year (28) (39)
Other Pension Plan, Postretirement or Supplemental Plans    
Pension Plans, Postretirement and Other Employee Benefits [Line Items]    
Accrued vacation, compensation and benefits 3 5
Pension and other postretirement benefit obligations 7 8
Unfunded status at end of year 10 13
Accrued vacation, compensation and benefits | Pension Benefits    
Pension Plans, Postretirement and Other Employee Benefits [Line Items]    
Unfunded status at end of year (2) (2)
Accrued vacation, compensation and benefits | Other Postretirement Benefits    
Pension Plans, Postretirement and Other Employee Benefits [Line Items]    
Unfunded status at end of year (1) (4)
Pension and other postretirement benefit obligations | Pension Benefits    
Pension Plans, Postretirement and Other Employee Benefits [Line Items]    
Unfunded status at end of year (295) (543)
Pension and other postretirement benefit obligations | Other Postretirement Benefits    
Pension Plans, Postretirement and Other Employee Benefits [Line Items]    
Unfunded status at end of year $ (27) $ (35)