FAIR VALUE MEASUREMENTS (Details) - USD ($) $ in Millions	4 Months Ended	12 Months Ended
May. 23, 2015	May. 24, 2014	Jan. 31, 2015
Fair value of financial instruments carried at fair value
Asset impairment charge	$ 22	$ 8	$ 37
Carrying Value
Fair value of financial instruments carried at fair value
Total debt	10,746		11,026
Long-term investments	140		133
Notes receivable	104		98
Carrying Value \| Before impairment
Fair value of financial instruments carried at fair value
Long-Lived Assets	25	14	59
Fair value
Fair value of financial instruments carried at fair value
Total	118		92
Total debt	11,643		12,319
Long-term investments	140		133
Notes receivable	104		98
Recurring \| Fair value
Fair value of financial instruments carried at fair value
Trading Securities	47		47
Available-for-Sale Securities	40		36
Warrants	29		26
Recurring \| Fair value \| Interest Rate Hedges
Fair value of financial instruments carried at fair value
Interest Rate Hedges	(1)		(39)
Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair value of financial instruments carried at fair value
Trading Securities	47		47
Available-for-Sale Securities	40		36
Total	87		83
Unrealized gains on Available-for-Sale Securities	4
Recurring \| Significant Other Observable Inputs (Level 2)
Fair value of financial instruments carried at fair value
Warrants	29		26
Total	28		(13)
Recurring \| Significant Other Observable Inputs (Level 2) \| Interest Rate Hedges
Fair value of financial instruments carried at fair value
Interest Rate Hedges	(1)		(39)
Nonrecurring \| Fair value
Fair value of financial instruments carried at fair value
Long-Lived Assets	3	$ 6	22
Nonrecurring \| Significant Unobservable Inputs (Level 3)
Fair value of financial instruments carried at fair value
Long-Lived Assets	3		22
Total	$ 3		$ 22

The fair value amount of warrants as of the balance sheet date.

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Amount of net assets (liabilities).

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Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

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Fair value portion of an agreement for an unconditional promise by the maker to pay the holder a definite sum of money at a future date.

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Amount of investments in debt and equity securities and other forms of securities that provide ownership interests classified as trading.

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