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Debt and Financing Arrangements - Additional Information (Detail) $ in Millions | 3 Months Ended
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Dec. 31, 2019 USD ($)
$2.5 billion facility expiring Dec 2024 [Domain] |
Debt Instrument [Line Items] |
Line of Credit Facility, Maximum Borrowing Capacity | $ 2,500
$500 million facility expiring Dec 2020 [Domain] |
Debt Instrument [Line Items] |
Line of Credit Facility, Maximum Borrowing Capacity | $ 500
$2 billion facility, terminated Dec 2019 [Domain] |
Debt Instrument [Line Items] |
Debt Instrument, Term | 5 years
Line of Credit Facility, Maximum Borrowing Capacity | $ 2,000
Combined $750 million of facilities terminated Dec 2019 [Domain] |
Debt Instrument [Line Items] |
Debt Instrument, Term | 364 days
Line of Credit Facility, Maximum Borrowing Capacity | $ 750
Revolving Credit Facility [Member] | Floating rate term loan [Domain] |
Debt Instrument [Line Items] |
Debt Instrument, Term |

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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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- 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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- 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 + Details
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- Details
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- Details
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- Details
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- Details
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