Financial Services, Allowances for Losses (Details 1) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Feb. 03, 2012	Jan. 28, 2011	Jan. 29, 2010
Financing Receivable, Allowance for Credit Losses
Balance at beginning of period	$ 241	$ 237	$ 149
Incremental allowance due to VIE consolidation	0	16	0
Recoveries	68	27	10
Provision charged to income statement	144	258	244
Balance at end of period	202	241	237
Principal
Financing Receivable, Allowance for Credit Losses
Charge-offs	(213)	(251)	(139)
Interest
Financing Receivable, Allowance for Credit Losses
Charge-offs	(38)	(46)	(27)
Revolving Loans
Financing Receivable, Allowance for Credit Losses
Balance at beginning of period	214	224
Incremental allowance due to VIE consolidation	0	0
Recoveries	64	27
Provision charged to income statement	143	242
Balance at end of period	179	214
Revolving Loans | Principal
Financing Receivable, Allowance for Credit Losses
Charge-offs	(204)	(233)
Revolving Loans | Interest
Financing Receivable, Allowance for Credit Losses
Charge-offs	(38)	(46)
Fixed-term loans
Financing Receivable, Allowance for Credit Losses
Balance at beginning of period	27	13
Incremental allowance due to VIE consolidation	0	16
Recoveries	4	0
Provision charged to income statement	1	16
Balance at end of period	23	27
Fixed-term loans | Principal
Financing Receivable, Allowance for Credit Losses
Charge-offs	(9)	(18)
Fixed-term loans | Interest
Financing Receivable, Allowance for Credit Losses
Charge-offs	$ 0	$ 0