Additional Balance Sheet and Cash Flow Information (Reconciliation Of Net Income (Loss) To Net Cash Provided By Operating Activities Of Continuing Operations) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Cash flows from operating activities:
Net income	$ 692,164	$ 752,207	$ 844,611
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization of intangibles	209,555	198,074	179,300
Amortization of deferred loan origination costs	86,681	93,546	94,429
Amortization of financing origination fees	9,252	9,975	8,442
Provision for long-term employee benefits	38,273	60,824	33,709
Employee benefit plan contributions and payments	(55,809)	(28,490)	(29,686)
Stock compensation expense	32,336	29,433	37,929
Net change in wholesale finance receivables related to sales	(3,233)	(113,970)	(75,210)
Provision for credit losses	136,617	101,345	80,946
Gain on off-balance sheet asset-backed securitization	(9,269)	0	0
Loss on debt extinguishment	118	1,099	3,942
Deferred income taxes	(165)	(16,484)	(7,621)
Other, net	(6,907)	20,913	20,473
Changes in current assets and liabilities:
Accounts receivable, net	(45,934)	(13,665)	(9,809)
Finance receivables – accrued interest and other	(1,489)	(3,046)	(2,515)
Inventories	85,072	(155,222)	(50,886)
Accounts payable and accrued liabilities	38,237	138,823	21,309
Derivative instruments	(3,413)	(5,615)	703
Other	(27,747)	30,371	(3,389)
Total adjustments	482,175	347,911	302,066
Net cash provided by operating activities	1,174,339	1,100,118	1,146,677
Supplemental Cash Flow Information [Abstract]
Interest	185,804	148,654	154,310
Income taxes	$ 356,553	$ 371,547	$ 438,840