Derivative Instruments and Fair Value Measurements (Details 1) (Fair Value, Measurements, Nonrecurring [Member], Unobservable Inputs (Level 3) [Member], USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Jan. 01, 2011
Finance Group [Member]
Assets measured at fair value on a nonrecurring basis
Impaired finance receivables, Balance	$ 81	$ 504
Finance receivables held for sale, Balance	418	413
Other assets, Balance	128	149
Impaired finance receivables, Gain (Loss)	(82)	(148)
Finance receivables held for sale, Gain (Loss)	(206)	(22)
Other assets, Gain (Loss)	(49)	(47)
Manufacturing Group [Member]
Assets measured at fair value on a nonrecurring basis
Intangible assets, Balance	15
Intangible assets, Gain (Loss)	$ (41)