Finance Receivables (Allowance For Credit Losses And Finance Receivables By Portfolio Individually And Collectively Evaluated For Impairment) (Detail) (USD $)	Sep. 29, 2013	Jun. 30, 2013	Dec. 31, 2012	Sep. 30, 2012	Jul. 01, 2012	Dec. 31, 2011
Financing Receivable, Allowance for Credit Losses [Line Items]
Individually evaluated for impairment	$ 0		$ 0	$ 0
Collectively evaluated for impairment	111,921,000		107,667,000	113,126,000
Total allowance for credit losses	111,921,000	111,324,000	107,667,000	113,126,000	114,248,000	125,449,000
Individually evaluated for impairment	0		0	0
Collectively evaluated for impairment	6,296,811,000		5,889,519,000	6,028,793,000
Financing Receivable, Gross	6,296,811,000		5,889,519,000	6,028,793,000
Wholesale [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Individually evaluated for impairment	0		0	0
Collectively evaluated for impairment	5,990,000		6,225,000	7,268,000
Total allowance for credit losses	5,990,000	7,554,000	6,225,000	7,268,000	8,068,000	9,337,000
Individually evaluated for impairment	0		0	0
Collectively evaluated for impairment	891,141,000		816,404,000	785,323,000
Financing Receivable, Gross	891,141,000		816,404,000	785,323,000
Retail [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Individually evaluated for impairment	0		0	0
Collectively evaluated for impairment	105,931,000		101,442,000	105,858,000
Total allowance for credit losses	105,931,000	103,770,000	101,442,000	105,858,000	106,180,000	116,112,000
Individually evaluated for impairment	0		0	0
Collectively evaluated for impairment	5,405,670,000		5,073,115,000	5,243,470,000
Financing Receivable, Gross	$ 5,405,670,000		$ 5,073,115,000	$ 5,243,470,000