Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

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The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

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Stated rate on an interest rate forward or futures contract.

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Date the derivative contract matures, in CCYY-MM-DD format.

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- Definition

The net gain (loss) recognized in earnings during the reporting period representing the amount of the cash flow hedges' ineffectiveness.

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-Name Accounting Standards Codification
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-SubTopic 10
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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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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
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Derivative Instruments (Details) - USD ($)	12 Months Ended
Derivative Instruments (Details) - USD ($)	Dec. 31, 2018	Apr. 03, 2018	Dec. 31, 2017	Mar. 21, 2017
Secured Debt [Member] \| Term Loan B Facility [Member]
Long-term Debt	$ 1,955,000,000	$ 1,970,000,000	$ 1,975,000,000	$ 1,990,000,000
Cash Flow Hedging [Member]
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months	26,000,000
Cash Flow Hedging [Member] \| Foreign Exchange Contract [Member]
Derivative, Notional Amount	459,000,000		$ 456,000,000
Gain (Loss) on Cash Flow Hedge Ineffectiveness, Net	$ 0
Cash Flow Hedging [Member] \| Interest Rate Swap [Member]
Derivative, Maturity Date	Jul. 27, 2021
Derivative, Notional Amount	$ 1,550,000,000
Derivative, Fixed Interest Rate	3.92%
Gain (Loss) on Cash Flow Hedge Ineffectiveness, Net	$ 0
Cash Flow Hedging [Member] \| Forward-starting interest rate swap [Member]
Derivative, Maturity Date	Mar. 01, 2025
Derivative, Notional Amount	$ 1,500,000,000
Maximum [Member] \| Cash Flow Hedging [Member] \| Foreign Exchange Contract [Member]
Derivative, Maturity Date	Jun. 12, 2020
Minimum [Member] \| Cash Flow Hedging [Member] \| Foreign Exchange Contract [Member]
Derivative, Maturity Date	Feb. 23, 2019
July 2021 through March 2025 [Member] \| Fixed Income Interest Rate [Member] \| Cash Flow Hedging [Member] \| Interest Rate Swap [Member]
Derivative, Forward Interest Rate	4.81%