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Long-Term Debt And Borrowing Arrangements (Narrative) (Detail) € in Millions, $ in Millions | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Sep. 30, 2017 USD ($) | Sep. 30, 2017 USD ($) | Jun. 30, 2017 EUR (€) | Mar. 31, 2017 USD ($) | Mar. 31, 2017 EUR (€) | Dec. 31, 2016 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |
Document Period End Date |  | Sep. 30, 2017 |  |  |  |
Other Long-term Debt | $ 51 | $ 51 |  |  |  | $ 57
Uncommitted Credit Facility [Member] | Minimum [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Line of Credit Facility, Interest Rate During Period | 0.74% |  |  |  |  |
Uncommitted Credit Facility [Member] | Maximum [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Line of Credit Facility, Interest Rate During Period | 4.50% |  |  |  |  |
Four and One over Two Euro-Denominated Senior Notes [Member] | Senior Notes [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt Instrument, Maturity Date, Description |  | May 2025 |  |  |  |
Long-term Debt, Gross | $ 295 | $ 295 |  |  |  | 0
Debt Instrument, Face Amount | € |  |  |  |  | € 250 |
Six And Three Over Eight Senior Notes [Member] | Senior Notes [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt Instrument, Maturity Date, Description |  | April 2024 |  |  |  |
Long-term Debt, Gross | 350 | $ 350 |  |  |  | 350
Floating Rate Term Loan Due March Two Thousand Nineteen [Member] | Loans Payable [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt Instrument, Maturity Date, Description |  | March 2019 |  |  |  |
Long-term Debt, Gross | 0 | $ 0 |  |  |  | 144
Five and One over Eight Senior Notes [Member] | Senior Notes [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt Instrument, Maturity Date, Description |  | June 2022 |  |  |  |
Long-term Debt, Gross | 400 | $ 400 |  |  |  | 400
Five And One Over Two Senior Notes [Member] | Senior Notes [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt Instrument, Maturity Date, Description |  | April 2023 |  |  |  |
Long-term Debt, Gross | 675 | $ 675 |  |  |  | 675
Floating Rate Term Loan Due March Two Thousand Twenty Two [Member] | Loans Payable [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt Instrument, Maturity Date, Description |  | March 2022 |  |  |  |
Long-term Debt, Gross | $ 1,139 | $ 1,139 |  |  |  | 816
Debt Instrument, Description of Variable Rate Basis | 200 basis points |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate | 3.75% |  |  |  |  |
Floating Rate Term Loan Due March Two Thousand Twenty Two [Member] | Senior Notes [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  | $ 1,100 |  |
Four and One over Eight Euro-Denominated Senior Notes [Member] | Senior Notes [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt Instrument, Maturity Date, Description |  | November 2024 |  |  |  |
Long-term Debt, Gross | $ 354 | $ 354 |  |  |  | 316
Six Euro-Denominated Senior Notes [Member] | Senior Notes [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt Instrument, Maturity Date, Description |  | March 2021 |  |  |  |
Long-term Debt, Gross | $ 0 | $ 0 |  |  |  | $ 194
Debt Instrument, Repurchased Face Amount | € |  |  | € 175 |  |  |
Debt Instrument, Repurchase Amount | € |  |  | € 180 |  |  |

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- Definition The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented. If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD. + References No definition available. + Details
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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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