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Derivative and Other Financial Instruments - Narrative (Details) | 3 Months Ended | 12 Months Ended |  |  |
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Mar. 31, 2018 USD ($) | Mar. 31, 2017 USD ($) | Dec. 31, 2017 USD ($) | Mar. 31, 2018 EUR (€) | Mar. 31, 2018 USD ($) | Jan. 31, 2018 EUR (€) | Jan. 31, 2018 USD ($) | Dec. 31, 2017 EUR (€) | Dec. 31, 2017 USD ($)
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |  |  |  |
Objective for using derivative instruments | The Company’s objective in managing exposure to market risk is to limit the impact on earnings and cash flow. |  |  |  |  |  |  |  |
Loss expected to be reclassified to earnings | $ 7,000,000 |  |  |  |  |  |  |  |
Loss, net of tax, expected to be reclassified to earnings | 5,000,000 |  |  |  |  |  |  |  |
Reclassification of anticipated transactions that were no longer considered probable | $ 0 | $ 0 |  |  |  |  |  |  |
Commodities |  |  |  |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |  |  |  |
Gain on cash flow hedge ineffectiveness |  | 2,000,000 |  |  |  |  |  |  |
Gain (loss) on cash flow hedge ineffectiveness, net of tax |  | 1,000,000 |  |  |  |  |  |  |
Minimum |  |  |  |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |  |  |  |
Derivative, remaining maturity range | 1 month |  |  |  |  |  |  |  |
Maximum |  |  |  |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |  |  |  |
Derivative, remaining maturity range | 31 months |  |  |  |  |  |  |  |
Derivatives not designated as hedges | Commodities |  |  |  |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |  |  |  |
Notional amount of derivative |  |  |  |  | $ 0 |  |  |  | $ 40,000,000
Derivatives not designated as hedges | Foreign exchange |  |  |  |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |  |  |  |
Notional amount of derivative |  |  |  |  | 586,000,000 |  |  |  | 575,000,000
Derivatives in fair value hedges | Foreign exchange |  |  |  |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |  |  |  |
Notional amount of derivative |  |  |  |  | 70,000,000 |  |  |  | 60,000,000
Derivatives in fair value hedges | Designated as Hedging Instrument | Foreign exchange |  |  |  |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |  |  |  |
Losses from foreign exchange contracts designated as fair value hedges (less than) | $ 1,000,000 | 1,000,000 |  |  |  |  |  |  |
Derivatives designated as net investment hedges |  |  |  |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |  |  |  |
Carrying amount of hedged net investment |  |  |  | € 907,000,000 | $ 1,117,000,000 |  |  | € 1,150,000,000 | $ 1,417,000,000
Derivatives designated as net investment hedges | Accumulated Other Comprehensive Income |  |  |  |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |  |  |  |
Loss on net investment hedge settlements | 141,000,000 |  | $ 106,000,000 |  |  |  |  |  |
Loss on net investment hedge settlements, net of tax | 118,000,000 |  | $ 88,000,000 |  |  |  |  |  |
Derivatives designated as net investment hedges | Cross Currency Interest Rate Contract |  |  |  |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |  |  |  |
Notional amount of derivative |  |  |  |  |  | € 718,000,000 | $ 875,000,000 |  |
Derivatives designated as net investment hedges | Cross Currency Interest Rate Contract on U.S. Notional Amount |  |  |  |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |  |  |  |
Interest rate |  |  |  | 4.75% | 4.75% |  |  |  |
Derivatives designated as net investment hedges | Cross Currency Interest Rate Contract on Euro Notional Amount |  |  |  |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |  |  |  |
Interest rate |  |  |  | 2.50% | 2.50% |  |  |  |
Derivatives designated as net investment hedges | Other Comprehensive Income |  |  |  |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |  |  |  |
Loss on net investment hedge settlements | 35,000,000 | 15,000,000 |  |  |  |  |  |  |
Loss on net investment hedge settlements, net of tax | $ 31,000,000 | $ 12,000,000 |  |  |  |  |  |  |

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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 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=35736893&loc=d3e80748-113994 + Details
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- Definition Amount of the hedged item as of the balance sheet date related to the derivative. For example, the hedged balance on a debt instrument. + References No definition available. + Details
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- Definition Period remaining until the derivative contract matures, 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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- Definition Description of the reasons for holding or issuing derivative instruments and nonderivative hedging instruments. Includes discussion of the objectives for holding or issuing derivative instruments, the context needed to understand those objectives, and the strategies for achieving those objectives. The description generally distinguishes between derivative and nonderivative instruments by the types of hedging relationships and between those instruments used for risk management purposes and those used for other purposes. Information about those instruments is disclosed in the context of each instrument's primary underlying risk exposure (for example, interest rate, credit, foreign exchange rate, interest rate and foreign exchange rate, or overall price). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=84234895&loc=d3e41641-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5579240-113959 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5579245-113959 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84234895&loc=d3e41620-113959 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5580258-113959 + Details
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