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v3.19.1

Fair Value Measurements and Derivatives - Additional Information (Details) - USD ($) |  | 3 Months Ended |
--- | --- | --- | ---
Sep. 30, 2018 | Mar. 31, 2019 | Dec. 31, 2018
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Settlements of undesignated derivatives |  | $ 20,000,000 |
Interest Rate Swap [Member] |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Derivative, Notional Amount |  | 0 |
Fair value adjustment to the carrying amount of the December 2024 Notes |  | 5,000,000 |
Forward Contracts [Member] |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Maximum remaining maturity of foreign currency derivatives | 18 months |  |
Foreign Exchange Forward [Member] |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Derivative, Notional Amount |  | 516,000,000 | $ 1,007,000,000
Foreign Exchange Forward [Member] | Cash Flow Hedging [Member] |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Derivative, Notional Amount |  | 375,000,000 |
Currency Swap [Member] |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Derivative, Notional Amount |  | 1,090,000,000 | $ 1,097,000,000
Currency Swap [Member] | Cash Flow Hedging [Member] |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Derivative, Notional Amount |  | 1,090,000,000 |
Other Expense, Net [Member] |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Loss on undesignated foreign currency derivative |  | (13,000,000) |
Swedish krona [Member] | Foreign Exchange Forward [Member] |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Derivative, Notional Amount |  | 11,000,000 |
Swedish krona [Member] | Foreign Exchange Forward [Member] | Cash Flow Hedging [Member] |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Derivative, Notional Amount |  | 11,000,000 |
Swedish krona [Member] | Other Expense, Net [Member] |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Loss on undesignated foreign currency derivative |  | (13,000,000) |
Not Designated as Hedging Instrument [Member] | Foreign Exchange Forward [Member] |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Derivative, Notional Amount |  | 141,000,000 |
Not Designated as Hedging Instrument [Member] | Currency Swap [Member] |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Derivative, Notional Amount |  | 0 |
Not Designated as Hedging Instrument [Member] | Swedish krona [Member] | Foreign Exchange Forward [Member] |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Settlements of undesignated derivatives |  | $ 21,000,000 |

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References 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 + Details
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- Definition Amount as of the balance sheet date of the unamortized adjustment to the carrying value of an interest-bearing hedged item made under an effective interest rate fair value hedge that is amortized upon discontinuation of the interest rate fair value hedge. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 25 -Section 35 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=109978511&loc=d3e75592-113984 + Details
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- Definition Maximum amount of time remaining before foreign currency exchange rate derivatives mature or expire, 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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