Vacation Ownership Notes Receivable - Interest Income Related to VOI Notes Receivable (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Receivables [Abstract]
Vacation ownership loans - securitized	$ 63	$ 69	$ 64
Vacation ownership loans - unsecuritized	21	15	21
Interest income related to VOI notes receivable, net	$ 84	$ 84	$ 85

Interest income unsecuritized vacation ownership loans.

No definition available.

Name:	hot_InterestIncomeUnsecuritizedVacationOwnershipLoans
Namespace Prefix:	hot_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration