BENEFIT PLANS - Amounts Recognized in Consolidated Balance Sheets (Detail) (USD $) In Millions, unless otherwise specified	Feb. 28, 2015	Feb. 22, 2014
Pension Benefits
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Unfunded status at end of year	$ (532)	$ (465)
Other Postretirement Benefits
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Unfunded status at end of year	(78)	(81)
Other Pension Plan, Postretirement or Supplemental Plans
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Accrued vacation, compensation and benefits	8	9
Pension and other postretirement benefit obligations	10	15
Unfunded status at end of year	18	24
Accrued vacation, compensation and benefits | Pension Benefits
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Unfunded status at end of year	(2)	(3)
Accrued vacation, compensation and benefits | Other Postretirement Benefits
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Unfunded status at end of year	(6)	(6)
Pension and other postretirement benefit obligations | Pension Benefits
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Unfunded status at end of year	(530)	(462)
Pension and other postretirement benefit obligations | Other Postretirement Benefits
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Unfunded status at end of year	$ (72)	$ (75)