Line of credit facility number of extension options.

No definition available.

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Namespace Prefix:	pk_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Line of credit facility term of extension options period.

+ References

No definition available.

+ Details

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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of consolidated variable interest entities.

+ References

No definition available.

+ Details

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Namespace Prefix:	pk_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: 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

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-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

+ Details

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

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Date the credit facility terminates, in CCYY-MM-DD format.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of increase (decrease) of the credit facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(f))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

+ References

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

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-Section S99
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Namespace Prefix:	us-gaap_
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Balance Type:	debit
Period Type:	instant

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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Data Type:	na
Balance Type:
Period Type:

- Details

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Period Type:

- Details

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Balance Type:
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- Details

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Debt - Additional Information (Detail) $ in Millions	1 Months Ended	12 Months Ended
Debt - Additional Information (Detail) $ in Millions	Dec. 31, 2016 USD ($) Option	Dec. 31, 2017 USD ($) Entity	Oct. 31, 2016 USD ($)
Debt Instrument [Line Items]
Number of consolidated VIEs \| Entity		3
Restricted cash	$ 13	$ 15
Letters of credit outstanding, amount	$ 50
Maximum [Member]
Debt Instrument [Line Items]
Unused facility fee on the revolver	0.30%
Minimum [Member]
Debt Instrument [Line Items]
Unused facility fee on the revolver	0.20%
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Amount available for borrowing		$ 1,000
Wells Fargo Bank [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Aggregate commitment or principal amount not exceed	$ 500
Wells Fargo Bank [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Amount available for borrowing	$ 1,000
Scheduled maturity date	Dec. 24, 2020
Number of extension options \| Option	2
Term of extension options period	6 months
Maturity date, description		The facility includes a $1 billion revolving credit facility (“Revolver”), which has a scheduled maturity date of December 24, 2020 with two, six-month extension options if certain conditions are satisfied, and a $750 million term loan (“Term Loan”).
SF CMBS Loan [Member]
Debt Instrument [Line Items]
Debt, gross	$ 725	$ 725	$ 725
HHV CMBS Loan [Member]
Debt Instrument [Line Items]
Debt, gross	1,275	1,275	$ 1,275
CMBS and mortgage loans [Member]
Debt Instrument [Line Items]
Restricted cash	13	14
Term Loan [Member]
Debt Instrument [Line Items]
Debt, gross	750	$ 750
Term Loan [Member] \| Wells Fargo Bank [Member]
Debt Instrument [Line Items]
Debt, gross	$ 750