Notes Payable and Long-Term Debt (Details) (USD $)	Feb. 02, 2013
Notes Payable and Long-Term Debt
Rate (as a percent)	4.70%
Balance	$ 14,648,000,000
Swap valuation adjustments	78,000,000
Capital lease obligations	1,952,000,000
Less: Amounts due within one year	(2,024,000,000)
Long-term debt	14,654,000,000
Nonrecourse
Notes Payable and Long-Term Debt
Debt collateralized by credit card receivables	1,500,000,000
Due 2013-2017
Notes Payable and Long-Term Debt
Rate (as a percent)	3.60%
Balance	6,031,000,000
Due 2018-2022
Notes Payable and Long-Term Debt
Rate (as a percent)	4.00%
Balance	2,416,000,000
Due 2023-2027
Notes Payable and Long-Term Debt
Rate (as a percent)	6.70%
Balance	171,000,000
Due 2028-2032
Notes Payable and Long-Term Debt
Rate (as a percent)	6.60%
Balance	1,060,000,000
Due 2033-2037
Notes Payable and Long-Term Debt
Rate (as a percent)	6.80%
Balance	3,501,000,000
Due 2038-2042
Notes Payable and Long-Term Debt
Rate (as a percent)	4.00%
Balance	$ 1,469,000,000