Fair Value Of Financial Instruments (Summary Of Fair Value And Carrying Value Of Company Financial Instruments) (Detail) (USD $) In Thousands, unless otherwise specified	Jul. 01, 2012	Dec. 31, 2011	Jun. 26, 2011	Dec. 31, 2010
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	$ 1,071,496	$ 1,526,950	$ 973,478	$ 1,021,933
Marketable securities	135,848	153,380	244,555
Accounts receivable, net	250,268	219,039	265,663
Restricted cash held by variable interest entities	188,564	229,655	244,060
Derivatives	2,042	5,136	14,933
Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	1,071,496	1,526,950	973,478
Marketable securities	135,848	153,380	244,555
Accounts receivable, net	250,268	219,039	265,663
Derivatives	8,879	16,443
Finance receivables, net	6,099,619	5,888,040	6,052,156
Restricted cash held by variable interest entities	188,564	229,655	244,060
Accounts payable	252,239	255,713	277,395
Derivatives	2,042	5,136	14,933
Unsecured commercial paper	845,868	874,286	735,737
Credit facilities	143,792	159,794	201,112
Medium-term notes	2,967,112	2,561,458	2,555,926
Senior unsecured notes	360,791	376,513	391,051
Term asset-backed securitization debt	1,345,452	2,099,060	1,883,465
Carrying Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	1,071,496	1,526,950	973,478
Marketable securities	135,848	153,380	244,555
Accounts receivable, net	250,268	219,039	265,663
Derivatives	8,879	16,443
Finance receivables, net	6,016,569	5,786,681	5,963,440
Restricted cash held by variable interest entities	188,564	229,655	244,060
Accounts payable	252,239	255,713	277,395
Derivatives	2,042	5,136	14,933
Unsecured commercial paper	845,868	874,286	735,737
Credit facilities	143,792	159,794	201,112
Medium-term notes	2,698,359	2,298,193	2,347,750
Senior unsecured notes	303,000	303,000	303,000
Term asset-backed securitization debt	$ 1,339,232	$ 2,087,346	$ 1,853,382