Additional Balance Sheet And Cash Flow Information (Reconciliation Of Net Income (Loss) To Net Cash Provided By Operating Activities Of Continuing Operations) (Details) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jul. 01, 2012	Apr. 01, 2012	Dec. 31, 2011	Sep. 25, 2011	Jun. 26, 2011	Mar. 27, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Additional Balance Sheet And Cash Flow Information [Abstract]
Net income (loss)	$ 70,600	$ 134,000	$ 247,300	$ 172,000	$ 105,600	$ 183,600	$ 190,600	$ 119,300	$ 623,925,000	$ 599,114,000	$ 146,545,000
Income (loss) from discontinued operations, net of tax	0	0	0	0	51,000	0	0	0	0	51,036,000	(113,124,000)
Income (loss) from continuing operations	70,600	134,000	247,300	172,000	54,600	183,600	190,600	119,300	623,925,000	548,078,000	259,669,000
Depreciation									168,978,000	180,408,000	255,171,000
Amortization of deferred loan origination costs									(78,592,000)	(78,695,000)	(87,223,000)
Amortization of financing origination fees									9,969,000	10,790,000	19,618,000
Provision for employee long-term benefits									71,347,000	59,441,000	79,630,000
Contributions to pension and postretirement plans									(244,416,000)	(219,695,000)	(39,391,000)
Stock compensation expense									40,815,000	38,192,000	30,431,000
Net change in wholesale finance receivables related to sales									2,513,000	(2,335,000)	81,527,000
Provision for credit losses									22,239,000	17,031,000	93,118,000
Loss on debt extinguishmement - cash flow									(4,323,000)	(9,608,000)	(85,247,000)
Loss on debt extinguishment									0	0	85,247,000
Pension and postretirement healthcare plan curtailment and settlement expense									6,242,000	236,000	31,824,000
Deferred income taxes									128,452,000	87,873,000	(17,591,000)
Foreign currency adjustments									9,773,000	10,678,000	(21,480,000)
Other, net									(7,216,000)	(15,807,000)	11,910,000
Accounts receivable, net									(13,690,000)	43,050,000	2,905,000
Finance receivables - accrued interest and other									(4,000)	5,027,000	10,083,000
Inventories									21,459,000	(94,957,000)	2,516,000
Accounts payable and accrued liabilities									(10,798,000)	120,291,000	215,013,000
Restructuring reserves									(16,087,000)	8,072,000	(32,477,000)
Derivative instruments									2,758,000	(2,488,000)	5,339,000
Prepaid and other									(97,716,000)	3,103,000	3,133,000
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities									177,533,000	337,213,000	903,749,000
Net cash provided by operating activities of continuing operations									801,458,000	885,291,000	1,163,418,000
Interest									225,228,000	251,341,000	346,855,000
Income taxes									$ 317,812,000	$ 84,984,000	$ 47,084,000