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- Definition

Debt Instrument Covenant Consolidated Leverage Ratio

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- Definition

Debt Instrument Covenant Interest Coverage Ratio

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- Definition

Debt Instrument Covenant Maximum Consolidated Leverage Ratio

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- Definition

Debt Instrument, Covenant, Maximum Spread on Consolidated Leverage Ratio

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- Definition

Debt Instrument, Margin for Base Rate Loans

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- Definition

Secured Credit Facility Maximum Borrowing Amount

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- Definition

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

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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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- Definition

Amount of the required periodic payments including both interest and principal payments.

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- Definition

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

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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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- Definition

Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Debt Obligations - Senior Secured Credit Facility (Details)	6 Months Ended
	Jun. 30, 2019 USD ($)	Dec. 31, 2018 USD ($)
Debt Instrument [Line Items]
Long-term debt	$ 2,918,000,000	$ 2,980,000,000
Letters of credit outstanding	$ 0
Debt maximum consolidated leverage ratio	4.10
Available additional amount of incremental term loan commitment	$ 150,000,000
Period One
Debt Instrument [Line Items]
Debt consolidated leverage ratio	4.00
Debt maximum spread on consolidated leverage ratio	0.50
Debt consolidated interest coverage ratio	3.50
Period Two
Debt Instrument [Line Items]
Debt consolidated leverage ratio	1.00
Period Three
Debt Instrument [Line Items]
Debt consolidated leverage ratio	3.75
Debt maximum spread on consolidated leverage ratio	0.50
Period Four
Debt Instrument [Line Items]
Debt consolidated leverage ratio	1.00
Period Five
Debt Instrument [Line Items]
Debt consolidated leverage ratio	2.50
Debt maximum spread on consolidated leverage ratio	0.50
Secured Debt \| Federal Funds Rate
Debt Instrument [Line Items]
Debt basis spread on variable rate	0.50%
Secured Debt \| Base Rate
Debt Instrument [Line Items]
Debt basis spread on variable rate	1.00%
Secured Debt \| LIBOR \| Minimum
Debt Instrument [Line Items]
Debt margin for base rate loans	1.25%
Secured Debt \| LIBOR \| Maximum
Debt Instrument [Line Items]
Debt margin for base rate loans	2.25%
Secured Debt \| EURIBOR \| Minimum
Debt Instrument [Line Items]
Debt margin for base rate loans	0.25%
Secured Debt \| EURIBOR \| Maximum
Debt Instrument [Line Items]
Debt margin for base rate loans	1.25%
Secured Debt \| Quarterly installments beginning June 30, 2018
Debt Instrument [Line Items]
Debt periodic payments	$ 17,000,000
Secured Debt \| Quarterly installments beginning June 30, 2019
Debt Instrument [Line Items]
Debt periodic payments	23,000,000
Term loan facility
Debt Instrument [Line Items]
Aggregate principal outstanding	720,000,000
Long-term debt	630,000,000	675,000,000
Revolving \| Secured Debt
Debt Instrument [Line Items]
Secured revolving credit facility principal amount	1,100,000,000
Revolving credit facility
Debt Instrument [Line Items]
Long-term debt	100,000,000	$ 120,000,000
Revolving Foreign \| Secured Debt
Debt Instrument [Line Items]
Secured revolving credit facility principal amount	$ 400,000,000
Secured Debt \| Federal Funds Rate
Debt Instrument [Line Items]
Debt basis spread on variable rate	0.50%