Derivative Instruments and Fair Value Measurements (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014	Jun. 29, 2013	Dec. 28, 2013
Manufacturing group | Carrying Value
Carrying value of financial instruments not recorded at fair value
Long-term debt, excluding leases	$ (2,971)		$ (2,971)		$ (1,854)
Manufacturing group | Estimated Fair Value
Carrying value of financial instruments not recorded at fair value
Long-term debt, excluding leases	(3,212)		(3,212)		(2,027)
Finance group
Assets measured at fair value on a nonrecurring basis
Portion of fair value of term debt determined based on observable market transactions (as a percent)	31.00%		31.00%		30.00%
Carrying value of financial instruments not recorded at fair value
Debt	(1,213)		(1,213)		(1,256)
Finance group | Carrying Value
Carrying value of financial instruments not recorded at fair value
Finance receivables held for investment, excluding leases	1,128		1,128		1,231
Debt	(1,213)		(1,213)		(1,256)
Finance group | Estimated Fair Value
Carrying value of financial instruments not recorded at fair value
Finance receivables held for investment, excluding leases	1,201		1,201		1,290
Debt	(1,218)		(1,218)		(1,244)
Fair Value, Measurements, Nonrecurring | Finance group | Unobservable Inputs (Level 3)
Assets measured at fair value on a nonrecurring basis
Impaired finance receivables, Balance	48		48		45
Impaired finance receivables, Gain (Loss)	$ 6	$ 2	$ 11	$ 5