Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 1,066,612	$ 1,068,138
Marketable securities	99,009	135,634
Accounts receivable, net	261,065	230,079
Finance receivables, net	1,773,686	1,743,045
Inventories	424,507	393,524
Restricted cash	144,807	188,008
Deferred income taxes	103,625	110,853
Other current assets	115,492	181,655
Total current assets	3,988,803	4,050,936
Finance receivables, net	4,225,877	4,038,807
Property, plant and equipment, net	842,477	815,464
Prepaid pension costs	244,871	0
Goodwill	30,452	29,530
Deferred income taxes	3,339	171,845
Other long-term assets	69,221	64,191
Total assets	9,405,040	9,170,773
Current liabilities:
Accounts payable	239,794	257,386
Accrued liabilities	427,335	513,591
Short-term debt	666,317	294,943
Current portion of long-term debt	1,176,140	437,162
Total current liabilities	2,509,586	1,503,082
Long-term debt	3,416,713	4,370,544
Pension liability	36,371	330,294
Postretirement healthcare liability	216,165	278,062
Deferred income taxes	49,499	0
Other long-term liabilities	167,220	131,167
Commitments and contingencies (Note 16)
Shareholders’ equity:
Preferred stock, none issued	0	0
Common stock, 343,157,231 and 341,265,838 shares issued in 2013 and 2012, respectively	3,432	3,413
Additional paid-in-capital	1,175,052	1,066,069
Retained earnings	7,852,729	7,306,424
Accumulated other comprehensive loss	(332,676)	(607,678)
Treasury stock (123,197,976 and 115,165,744 shares in 2013 and 2012, respectively), at cost	(5,689,051)	(5,210,604)
Total shareholders’ equity	3,009,486	2,557,624
Total liabilities and shareholders' equity	9,405,040	9,170,773
Variable Interest Entity, Primary Beneficiary [Member]
Current assets:
Finance receivables, net	352,899	470,134
Restricted cash	133,053	176,290
Other current assets	4,149	5,288
Finance receivables, net	1,184,441	1,631,435
Current liabilities:
Current portion of long-term debt	334,630	399,477
Long-term debt	$ 922,002	$ 1,048,299