Business acquisition, total purchase price

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- Definition

Additional collateral for debt

+ References

No definition available.

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- Definition

Debt Instrument, Covenant, Interest Coverage Ratio

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- Definition

Debt Instrument, Covenant, Leverage Ratio

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- Definition

Maximum the facility can be increased, subject to certain conditions.

+ References

No definition available.

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- Definition

Number of dealer operated sites.

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No definition available.

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- Definition

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

+ References

No definition available.

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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.

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No definition available.

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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.

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- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

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- 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.

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- Definition

Maturity date of long-term debt, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

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- Definition

The carrying value as of the balance sheet date of the noncurrent portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the 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)
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-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section 45
-Paragraph 14
-URI http://asc.fasb.org/extlink&oid=99376301&loc=d3e1336-112600

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-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section 45
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=99376301&loc=d3e1314-112600

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Long-Term Debt (Revolving Credit Agreement) (Details) $ in Millions	Jul. 27, 2018 USD ($)	Sep. 30, 2018 USD ($)	Dec. 31, 2017 USD ($)	Apr. 04, 2013 dealer
Debt Instrument [Line Items]
Revolving line of credit		$ 493	$ 765
Number Of Dealer Operated Sites \| dealer				50
Two Thousand Eighteen Revolver [Member]
Debt Instrument [Line Items]
Revolving line of credit			$ 0
Revolving Credit Agreement [Member] \| Two Thousand Eighteen Revolver [Member]
Debt Instrument [Line Items]
Long-term Debt, Maturity Date	Jul. 27, 2023
Line Of Credit Facility Additional Borrowing Capacity	$ 750
Debt Instrument, Additional Collateral For Debt	66.00%
Revolving line of credit		493
Letters of Credit Outstanding, Amount		8
Current borrowing capacity	$ 1,500	$ 1,000
Debt Instrument, Covenant, Leverage Ratio	5.50
Debt Instrument, Covenant, Interest Coverage Ratio	2.25
Revolving Credit Agreement [Member] \| Two Thousand Eighteen Revolver [Member] \| Incremental Addition to One Month LIBOR [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	1.00%
Revolving Credit Agreement [Member] \| Two Thousand Eighteen Revolver [Member] \| Incremental Addition to Federal Funds Rate [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	0.50%
Revolving Credit Agreement [Member] \| Two Thousand Eighteen Revolver [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Commitment fee percentage	0.25%
Business acquisition, total purchase price	$ 50
Revolving Credit Agreement [Member] \| Two Thousand Eighteen Revolver [Member] \| Minimum [Member] \| Applicable Margin on LIBOR Loan [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	1.25%
Revolving Credit Agreement [Member] \| Two Thousand Eighteen Revolver [Member] \| Minimum [Member] \| Applicable Margin on Base Rate Loan [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	0.25%
Revolving Credit Agreement [Member] \| Two Thousand Eighteen Revolver [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Commitment fee percentage	0.35%
Debt Instrument, Covenant, Leverage Ratio	6.00
Revolving Credit Agreement [Member] \| Two Thousand Eighteen Revolver [Member] \| Maximum [Member] \| Applicable Margin on LIBOR Loan [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	2.25%
Revolving Credit Agreement [Member] \| Two Thousand Eighteen Revolver [Member] \| Maximum [Member] \| Applicable Margin on Base Rate Loan [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	1.25%
Revolving Credit Agreement [Member] \| Two Thousand Eighteen Revolver [Member] \| External Credit Rating, Investment Grade [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	0.125%
Revolving Credit Agreement [Member] \| Two Thousand Eighteen Revolver [Member] \| External Credit Rating, Investment Grade [Member] \| Minimum [Member] \| Applicable Margin on LIBOR Loan [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	1.125%
Revolving Credit Agreement [Member] \| Two Thousand Eighteen Revolver [Member] \| External Credit Rating, Investment Grade [Member] \| Minimum [Member] \| Applicable Margin on Base Rate Loan [Member]
Debt Instrument [Line Items]
Commitment fee percentage	0.125%
Revolving Credit Agreement [Member] \| Two Thousand Eighteen Revolver [Member] \| External Credit Rating, Investment Grade [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	0.75%
Commitment fee percentage	0.35%
Revolving Credit Agreement [Member] \| Two Thousand Eighteen Revolver [Member] \| External Credit Rating, Investment Grade [Member] \| Maximum [Member] \| Applicable Margin on LIBOR Loan [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	1.75%