Accounts Receivable and Finance Receivables (Details 2) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Finance Receivables
Finance receivables held for investment	$ 1,483	$ 1,934
Allowance for losses	(55)	(84)	(156)
Total finance receivables held for investment, net	1,428	1,850
Finance receivables held for sale	65	140
Total finance receivables	1,493	1,990
Average balance of installment contracts and finance leases receivables	1
Allowance for loan losses on finance receivables transferred to held for sale	1
Proceeds from the sale of finance receivables held for sale	64	109
Proceeds from collection of finance receivables held for sale	76	207
Minimum
Finance Receivables
Contractual terms	5 years
Amortization period	8 years
Maximum
Finance Receivables
Contractual terms	10 years
Amortization period	15 years
Non-captive
Finance Receivables
Finance Receivables to the held for sale classification	34
Allowance for loan losses on finance receivables transferred to held for sale	$ 1