Debt tender offer to purchase up to $1.5 billion in aggregate principal

No definition available.

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Balance Type:	credit
Period Type:	instant

- Definition

Line of Credit Facility, Borrowing Capacity, Expired

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

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Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- 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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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of the original debt instrument that was repurchased.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Balance Type:	na
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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Debt and Financing Arrangements - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	May 01, 2019
Notes Payable to Banks [Member] \| 3.9 percent due 2026 [Member]
Debt Instrument [Line Items]
Debt Instrument, Repurchased Face Amount	$ 12
Debt Instrument, Interest Rate, Stated Percentage	3.90%
Notes Payable to Banks [Member] \| $750 million term loan due earlier of Jan 2020 or 5 days after PS Close [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 750
Revolving Credit Facility [Member] \| 250 million USD maturing in Mar 2019 [Member]
Debt Instrument [Line Items]
Debt Instrument, Term	364 days
Line of Credit Facility, Borrowing Capacity, Expired	$ 250
Revolving Credit Facility [Member] \| $250 million USD expiring in Mar 2020 [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 250
Revolving Credit Facility [Member] \| 150 million USD maturing in Feb 2019 [Member]
Debt Instrument [Line Items]
Debt Instrument, Term	364 days
Line of Credit Facility, Borrowing Capacity, Expired	$ 150
Revolving Credit Facility [Member] \| $150 million USD expiring in February 2020 [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 150
Revolving Credit Facility [Member] \| 200 million USD maturing in Jan 2019 [Member]
Debt Instrument [Line Items]
Debt Instrument, Term	364 days
Line of Credit Facility, Borrowing Capacity, Expired	$ 200
Revolving Credit Facility [Member] \| $350 million USD expiring in Jan 2020 [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 350
Subsequent Event [Member]
Debt Instrument [Line Items]
Debt tender offer to purchase up to $1.5 billion in aggregate principal		$ 1,500