Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
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- Definition

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

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+ Details

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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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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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Balance Type:	credit
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- Definition

Fair value of the amount outstanding under the credit facility.

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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.

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- Definition

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

+ References

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- Definition

The permitted amount the line of credit facility may be increased by, under certain circumstances if certain lenders agree to commit to such an increase.

+ References

No definition available.

+ Details

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Long-Term Debt (Credit Agreement) (Details) - USD ($) $ in Millions	Jul. 24, 2018	Sep. 30, 2021	Aug. 19, 2021
Credit Agreement \| Line of Credit \| Minimum
Debt Instrument [Line Items]
Line of credit permitted increase	$ 25
Credit Agreement \| Line of Credit \| Maximum
Debt Instrument [Line Items]
Line of credit permitted increase	500
Credit Agreement \| Revolving Credit Facility
Debt Instrument [Line Items]
Remaining borrowing capacity		$ 1,000
Credit Agreement \| Revolving Credit Facility \| Line of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity		1,000
Borrowing outstanding		0
Outstanding letters of credit		$ 0
Credit Agreement \| Letter of Credit \| Line of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity	150
Credit Agreement \| Swingline Loan \| Line of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 50
Credit Agreement \| Alternate Base Rate [Domain] \| Revolving Credit Facility \| Line of Credit \| Minimum
Debt Instrument [Line Items]
Spread on variable rate	0.00%
Credit Agreement \| Alternate Base Rate [Domain] \| Revolving Credit Facility \| Line of Credit \| Maximum
Debt Instrument [Line Items]
Spread on variable rate	0.75%
Credit Agreement \| London Interbank Offered Rate (LIBOR) \| Revolving Credit Facility \| Line of Credit \| Minimum
Debt Instrument [Line Items]
Spread on variable rate	1.00%
Credit Agreement \| London Interbank Offered Rate (LIBOR) \| Revolving Credit Facility \| Line of Credit \| Maximum
Debt Instrument [Line Items]
Spread on variable rate	1.75%
3.125% Senior Notes Due 2051 \| Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount			$ 600