Interest Rate Swap Derivatives Designated as Cash Flow Hedges (Parenthetical) (Detail) In Millions, unless otherwise specified	Sep. 30, 2014 USD ($) Hotel	Dec. 31, 2013 USD ($)	Sep. 30, 2014 New Zealand Hotel	Sep. 30, 2014 Interest Rate Swap New Zealand USD ($) Hotel	Sep. 30, 2014 Interest Rate Swap New Zealand NZD	Sep. 30, 2014 Interest Rate Swap Swap Entered In Connection With Mortgage Loan On Hilton Melbourne South Wharf USD ($)	Sep. 30, 2014 Interest Rate Swap Swap Entered In Connection With Mortgage Loan On Hilton Melbourne South Wharf AUD
Derivative [Line Items]
Mortgage debt	$ 407	$ 709		$ 82	105	$ 75	86
Hotels	115		7	7	7

Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 9

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 20, 22

-Article 5

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Name:	us-gaap_SecuredDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant