Income Taxes (Details 4) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Jan. 01, 2011
Deferred tax assets
Obligation for pension and postretirement benefits	$ 635	$ 692
Deferred compensation	196	203
Accrued expenses	193	255
Valuation allowance on finance receivables held for sale	130	29
Loss carryforwards	74	66
Allowance for credit losses	68	141
Deferred income	52	59
Inventory	38	0
Other, net	172	177
Total deferred tax assets	1,558	1,622
Valuation allowance for deferred tax assets	(189)	(200)
Deferred Tax Assets, Net, Total	1,369	1,422
Deferred tax liabilities
Leasing transactions	(285)	(387)
Property, plant and equipment, principally depreciation	(145)	(132)
Amortization of goodwill and other intangibles	(111)	(135)
Inventory	0	(15)
Total deferred tax liabilities	(541)	(669)
Net deferred tax assets	$ 828	$ 753