Finance Receivables (Narrative) (Details) (USD $)	3 Months Ended	6 Months Ended
	Mar. 27, 2011	Jun. 26, 2011	Dec. 31, 2010	Jun. 27, 2010
Restricted finance receivables held as collateral		$ 2,510,000,000	$ 3,380,000,000	$ 3,590,000,000
FICO score for determining credit risk	640
Allowance for credit losses related to finance receivables held by VIEs		62,100,000
Allowance for credit losses, ending balance:	159,684,000	144,404,000	173,589,000	182,983,000
Retail [Member]
Receivables past due and accruing interest		18,700,000	34,100,000
Allowance for credit losses, ending balance:	141,704,000	130,948,000	157,791,000
Wholesale [Member]
Recorded Investment		4,676,000	5,423,000
Receivables past due and accruing interest		1,200,000	1,600,000
Allowance for credit losses, ending balance:	$ 17,980,000	$ 13,456,000	$ 15,798,000