CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012	Jul. 01, 2012
Current assets:
Cash and cash equivalents	$ 1,300,690	$ 1,068,138	$ 1,071,496
Marketable securities	133,631	135,634	135,848
Accounts receivable, net	253,819	230,079	250,268
Finance receivables, net	2,010,974	1,743,045	1,854,838
Inventories	307,717	393,524	323,046
Restricted cash	212,004	188,008	188,564
Other current assets	235,636	292,508	245,807
Total current assets	4,454,471	4,050,936	4,069,867
Finance receivables, net	4,214,612	4,038,807	4,161,731
Property, plant and equipment, net	790,563	815,464	776,793
Goodwill	29,183	29,530	28,604
Other long-term assets	218,369	236,036	279,789
Total assets	9,707,198	9,170,773	9,316,784
Current liabilities:
Accounts payable	344,423	257,386	252,239
Accrued liabilities	450,247	513,591	535,097
Short-term debt	525,745	294,943	845,868
Current portion of long-term debt	776,274	437,162	907,389
Total current liabilities	2,096,689	1,503,082	2,540,593
Long-term debt	4,234,352	4,370,544	3,576,994
Pension liability	148,974	330,294	122,496
Postretirement healthcare liability	271,122	278,062	263,295
Other long-term liabilities	134,822	131,167	147,019
Commitments and contingencies
Shareholders’ equity:
Preferred stock, none issued	0	0	0
Common stock	3,414	3,413	3,408
Additional paid-in-capital	1,128,079	1,066,069	1,032,430
Retained earnings	7,708,238	7,306,424	7,171,820
Accumulated other comprehensive loss	(599,190)	(607,678)	(469,556)
Treasury stock, at cost	(5,419,302)	(5,210,604)	(5,071,715)
Total shareholders' equity	2,821,239	2,557,624	2,666,387
Total liabilities and shareholders' equity	9,707,198	9,170,773	9,316,784
Variable Interest Entity, Primary Beneficiary [Member]
Current assets:
Finance receivables, net	461,978	470,134	456,285
Restricted cash	198,893	176,290	188,564
Other current assets	4,256	5,288	4,401
Finance receivables, net	1,717,462	1,631,435	1,592,544
Current liabilities:
Current portion of long-term debt	433,524	399,477	507,427
Long-term debt	$ 1,240,235	$ 1,048,299	$ 831,805