Accounts Receivable and Finance Receivables (Details 5) (USD $) In Millions, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 28, 2013	Dec. 29, 2012
Summary of impaired finance receivables, excluding leveraged leases
Recorded investment, Impaired Loans with No Related Allowance for Credit Losses	$ 64	$ 72
Recorded investment, Impaired Loans with Related Allowance for Credit Losses	76	99
Recorded investment, Total Impaired Loans	140	171
Unpaid Principal Balance	143	187
Allowance For Losses On Impaired Loans	21	27
Average Recorded Investment	159	270
Captive
Summary of impaired finance receivables, excluding leveraged leases
Recorded investment, Impaired Loans with No Related Allowance for Credit Losses	64	61
Recorded investment, Impaired Loans with Related Allowance for Credit Losses	76	66
Recorded investment, Total Impaired Loans	140	127
Unpaid Principal Balance	143	128
Allowance For Losses On Impaired Loans	21	15
Average Recorded Investment	135	121
Non-captive
Summary of impaired finance receivables, excluding leveraged leases
Recorded investment, Impaired Loans with No Related Allowance for Credit Losses		11
Recorded investment, Impaired Loans with Related Allowance for Credit Losses		33
Recorded investment, Total Impaired Loans		44
Unpaid Principal Balance		59
Allowance For Losses On Impaired Loans		12
Average Recorded Investment	$ 24	$ 149