Notes Receivable - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended							12 Months Ended
	Dec. 30, 2011	Dec. 31, 2010	Jan. 01, 2010	Dec. 30, 2011 Securitized Notes Receivable	Dec. 31, 2010 Securitized Notes Receivable	Dec. 30, 2011 Nonsecuritized Notes Receivable	Dec. 31, 2010 Nonsecuritized Notes Receivable	Dec. 30, 2011 Interest Income	Dec. 31, 2010 Interest Income	Jan. 01, 2010 Interest Income	Dec. 30, 2011 Interest Income Securitized Notes Receivable	Dec. 31, 2010 Interest Income Securitized Notes Receivable	Dec. 30, 2011 Interest Income Nonsecuritized Notes Receivable	Dec. 31, 2010 Interest Income Nonsecuritized Notes Receivable	Dec. 30, 2011 Senior, Mezzanine and Other Loans	Dec. 31, 2010 Senior, Mezzanine and Other Loans	Jan. 01, 2010 Senior, Mezzanine and Other Loans	Jan. 02, 2009 Senior, Mezzanine and Other Loans	Dec. 30, 2011 Senior, Mezzanine and Other Loans Impaired Financing Receivables with No Related Allowance	Dec. 31, 2010 Senior, Mezzanine and Other Loans Impaired Financing Receivables with No Related Allowance	Dec. 30, 2011 Loans to timeshare owners	Dec. 31, 2010 Loans to timeshare owners	Jan. 01, 2010 Loans to timeshare owners	Jan. 02, 2009 Loans to timeshare owners	Dec. 30, 2011 Loans to timeshare owners Securitized Notes Receivable	Dec. 31, 2010 Loans to timeshare owners Securitized Notes Receivable	Jan. 01, 2010 Loans to timeshare owners Securitized Notes Receivable	Jan. 02, 2009 Loans to timeshare owners Securitized Notes Receivable	Dec. 30, 2011 Loans to timeshare owners Nonsecuritized Notes Receivable	Dec. 31, 2010 Loans to timeshare owners Nonsecuritized Notes Receivable	Jan. 01, 2010 Loans to timeshare owners Nonsecuritized Notes Receivable	Jan. 02, 2009 Loans to timeshare owners Nonsecuritized Notes Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Investment in impaired loans															$ 96	$ 83			$ 18	$ 9
Notes receivable reserve representing an allowance for credit losses	78	292		0	89	78	203								78	74	183	113			0	218	27	35	0	89	0	0	0	129	27	35
Average investment in impaired loans															89	137
Notes receivable, past due															8
Timeshare sales and services	$ 1,088	$ 1,221	$ 1,123					$ 143	$ 187	$ 46	$ 116	$ 147	$ 27	$ 40