Segment Information - Revenues, Adjusted Ebitda, Ebitda from Unconsolidated Ventures, Capital Expenditures, Total Assets, and Investments (Parenthetical) (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended				3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013 Operating Segments [Member]	Jun. 30, 2012 Operating Segments [Member]	Jun. 30, 2013 Operating Segments [Member]	Jun. 30, 2012 Operating Segments [Member]	Jun. 30, 2013 Americas [Member] Operating Segments [Member]	Jun. 30, 2012 Americas [Member] Operating Segments [Member]	Jun. 30, 2013 Americas [Member] Operating Segments [Member]	Jun. 30, 2012 Americas [Member] Operating Segments [Member]	Jun. 30, 2013 EAME [Member] Operating Segments [Member]	Jun. 30, 2012 EAME [Member] Operating Segments [Member]	Jun. 30, 2013 EAME [Member] Operating Segments [Member]	Jun. 30, 2012 EAME [Member] Operating Segments [Member]	Jun. 30, 2013 Vacation ownership & residential [Member] Operating Segments [Member]	Jun. 30, 2012 Vacation ownership & residential [Member] Operating Segments [Member]	Jun. 30, 2013 Vacation ownership & residential [Member] Operating Segments [Member]	Jun. 30, 2012 Vacation ownership & residential [Member] Operating Segments [Member]	Jun. 30, 2013 United States [Member] Americas [Member] Operating Segments [Member]	Dec. 31, 2012 United States [Member] Americas [Member] Operating Segments [Member]	Jun. 30, 2013 United States [Member] Americas [Member] Operating Segments [Member] Hotels [Member]	Jun. 30, 2012 United States [Member] Americas [Member] Operating Segments [Member] Hotels [Member]	Jun. 30, 2013 United States [Member] Americas [Member] Operating Segments [Member] Hotels [Member]	Jun. 30, 2012 United States [Member] Americas [Member] Operating Segments [Member] Hotels [Member]	Jun. 30, 2013 ITALY EAME [Member] Operating Segments [Member]	Dec. 31, 2012 ITALY EAME [Member] Operating Segments [Member]
Segment Reporting Information [Line Items]
Total revenues	$ 1,562	$ 1,618	$ 3,101	$ 3,333	$ 872	$ 969	$ 1,756	$ 2,068	$ 390	$ 427	$ 777	$ 830	$ 169	$ 152	$ 284	$ 258	$ 233	$ 314	$ 539	$ 822			$ 269	$ 295	$ 541	$ 570
Gross inventory capital expenditures less cost of sales																	(7)	(4)	(20)	(3)
Development capital																	3	3	8	11
Segment of long-lived assets																					$ 1,500	$ 1,600					$ 359	$ 366