Long Term Debt (Details) (USD $) In Millions, unless otherwise specified	4 Months Ended
Jun. 16, 2012	Feb. 25, 2012
Long-term debt and capital lease obligations
Accounts Receivable Securitization Facility	$ 130	$ 55
Other	51	52
Net discount on debt, using an effective interest rate of 6.28% to 8.97%	(212)	(216)
Capital lease obligations	1,091	1,096
Total debt and capital lease obligations	6,288	6,256
Less current maturities of long-term debt and capital lease obligations	(258)	(388)
Long-term debt and capital lease obligations	6,030	5,868
Long-Term Debt (Textual) [Abstract]
Debt Instrument, Interest Rate, Minimum	6.28%
Debt Instrument, Interest Rate, Maximum	8.97%
2.74% to 4.75% Revolving Credit Facility and Variable Rate Notes due April 2015 - October 2018 [Member]
Long-term debt and capital lease obligations
Long Term Debentures and Notes due	1,315	1,074
Long-Term Debt (Textual) [Abstract]
Debt Instrument, Interest Rate, Minimum	2.74%
Debt Instrument, Interest Rate, Maximum	4.75%
8.00% Notes due May 2016 [Member]
Long-term debt and capital lease obligations
Long Term Debentures and Notes due	1,000	1,000
Long-Term Debt (Textual) [Abstract]
Debt Instrument, Interest Rate	8.00%
7.45% Debentures due August 2029 [Member]
Long-term debt and capital lease obligations
Long Term Debentures and Notes due	650	650
Long-Term Debt (Textual) [Abstract]
Debt Instrument, Interest Rate	7.45%
7.50% Notes due November 2014 [Member]
Long-term debt and capital lease obligations
Long Term Debentures and Notes due	490	490
Long-Term Debt (Textual) [Abstract]
Debt Instrument, Interest Rate	7.50%
6.34% to 7.15% Medium Term Notes due July 2012 - June 2028 [Member]
Long-term debt and capital lease obligations
Long Term Debentures and Notes due	440	440
Long-Term Debt (Textual) [Abstract]
Debt Instrument, Interest Rate, Minimum	6.34%
Debt Instrument, Interest Rate, Maximum	7.15%
8.00% Debentures due May 2031 [Member]
Long-term debt and capital lease obligations
Long Term Debentures and Notes due	400	400
Long-Term Debt (Textual) [Abstract]
Debt Instrument, Interest Rate	8.00%
7.50% Notes due May 2012 [Member]
Long-term debt and capital lease obligations
Long Term Debentures and Notes due		282
Long-Term Debt (Textual) [Abstract]
Debt Instrument, Interest Rate	7.50%
8.00% Debentures due June 2026 [Member]
Long-term debt and capital lease obligations
Long Term Debentures and Notes due	272	272
Long-Term Debt (Textual) [Abstract]
Debt Instrument, Interest Rate	8.00%
8.70% Debentures due May 2030 [Member]
Long-term debt and capital lease obligations
Long Term Debentures and Notes due	225	225
Long-Term Debt (Textual) [Abstract]
Debt Instrument, Interest Rate	8.70%
7.75% Debentures due June 2026 [Member]
Long-term debt and capital lease obligations
Long Term Debentures and Notes due	200	200
Long-Term Debt (Textual) [Abstract]
Debt Instrument, Interest Rate	7.75%
7.25% Notes due May 2013 [Member]
Long-term debt and capital lease obligations
Long Term Debentures and Notes due	140	140
Long-Term Debt (Textual) [Abstract]
Debt Instrument, Interest Rate	7.25%
7.90% Debentures due May 2017 [Member]
Long-term debt and capital lease obligations
Long Term Debentures and Notes due	$ 96	$ 96
Long-Term Debt (Textual) [Abstract]
Debt Instrument, Interest Rate	7.90%

Accounts receivable securitization facility, current.

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Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

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Interest rate stated in the contractual debt agreement.

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-Name Regulation S-X (SX)

-Number 210

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When presenting a range of interest rates, the highest stated (contractual) rate for funds borrowed under the debt agreement as of the balance sheet date.

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When presenting a range of interest rates, the lowest stated (contractual) rate for funds borrowed under the debt agreement as of the balance sheet date.

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The amount of debt discount (net of debt premium) that was originally recognized at the issuance of the instrument that has yet to be amortized.

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-Publisher AICPA

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Sum of the carrying values as of the balance sheet date of all long-term debt, which is debt initially having maturities due after one year from the balance sheet date or beyond the operating cycle, if longer, but excluding the portions thereof scheduled to be repaid within one year or the normal operating cycle, if longer plus capital lease obligations due to be paid more than one year after the balance sheet date.

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Obligation related to long-term debt (excluding convertible debt) and capital leases, the portion which is due in one year or less in the future.

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Including both current and noncurrent portions, carrying amount as of the balance sheet date of other forms of debt not elsewhere specified in the taxonomy with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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