DERIVATIVE FINANCIAL INSTRUMENTS (Details) (USD $) In Millions, unless otherwise specified	4 Months Ended			4 Months Ended							4 Months Ended	12 Months Ended
	May 19, 2012		Aug. 11, 2012	May 19, 2012 Fair value interest rate swaps	May 21, 2011 Fair value interest rate swaps	May 19, 2012 Cash flow forward-starting interest rate swaps	May 21, 2011 Cash flow forward-starting interest rate swaps	May 19, 2012 Fair value hedges Fair value interest rate swaps instrument	May 19, 2012 Designated Fair value hedges Fair value interest rate swaps instrument	Jan. 28, 2012 Designated Fair value hedges Fair value interest rate swaps instrument	May 19, 2012 Designated Cash flow hedges Cash flow forward-starting interest rate swaps instrument	Jan. 28, 2012 Designated Cash flow hedges Cash flow forward-starting interest rate swaps instrument	May 19, 2012 Terminated Derivative Instruments Cash flow forward-starting interest rate swaps instrument
Interest Rate Risk Management
Combined average annual limit of aggregate amount of debt subject to interest rate reset and floating rate debt, to reduce interest rate risk	$ 2,500
Notional amount									1,175	1,625
Number of contracts									13	18	10	24	14
Number of matured contracts								5
Duration (in years)									7 months 6 days	8 months 26 days
Average variable rate (as a percent)									3.39%	3.84%
Average fixed rate (as a percent)									5.53%	5.87%
Maturity									Between June 2012 and April 2013	Between April 2012 and April 2013
Gain/(loss) on interest rate swaps, fair value hedges				(10)	(4)
Gain/(loss) on hedged borrowings, fair value hedges				8	5
Fair value of asset derivatives									15	25
Fair value of liability derivatives											37	41
Interest rate swap agreements, notional amount			850								500	1,200	700
Interest rate swap agreements, notional matured amount								450
New issue senior notes	850
Unamortized gain (loss) on terminated cash flow forward-starting interest rate swaps													27
Gain/(Loss) in AOCI on Derivatives (Effective Portion)	(14)	[1]									23	26
Gain/(Loss) in AOCI on Derivatives (Effective Portion)						(42)	(5)
Gain/(Loss) Reclassified from AOCI into Income (Effective Portion)						$ (2)

[1] Amount is net of tax of $(9) for the first quarter of 2012.