Long-Term Debt And Borrowing Arrangements (Schedule Of Long-Term Debt) (Detail) - USD ($) $ in Millions	9 Months Ended
Sep. 30, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Document Fiscal Year Focus	2018
Other	$ 40	$ 49
Long-term Debt, Current Maturities	23	26
Long-term debt	$ 3,538	3,573
Five and One over Eight Senior Notes [Member] \| Long Term Borrowings [Member]
Debt Instrument [Line Items]
Debt instrument stated interest percentage	5.125%
Five And One Over Two Senior Notes [Member] \| Long Term Borrowings [Member]
Debt Instrument [Line Items]
Debt instrument stated interest percentage	5.50%
Six And Three Over Eight Senior Notes [Member] \| Long Term Borrowings [Member]
Debt Instrument [Line Items]
Debt instrument stated interest percentage	6.375%
Four and One over Eight Euro-Denominated Senior Notes [Member] \| Long Term Borrowings [Member]
Debt Instrument [Line Items]
Debt instrument stated interest percentage	4.125%
Five And One Over Four Senior Notes [Member] \| Long Term Borrowings [Member]
Debt Instrument [Line Items]
Debt instrument stated interest percentage	5.25%
Four and One over Two Euro-Denominated Senior Notes [Member] \| Long Term Borrowings [Member]
Debt Instrument [Line Items]
Debt instrument stated interest percentage	4.50%
Senior Notes [Member] \| Five and One over Eight Senior Notes [Member]
Debt Instrument [Line Items]
Long-term debt	$ 400	400
Debt Instrument, Maturity Date, Description	June 2022
Senior Notes [Member] \| Five And One Over Two Senior Notes [Member]
Debt Instrument [Line Items]
Long-term debt	$ 675	675
Debt Instrument, Maturity Date, Description	April 2023
Senior Notes [Member] \| Six And Three Over Eight Senior Notes [Member]
Debt Instrument [Line Items]
Long-term debt	$ 350	350
Debt Instrument, Maturity Date, Description	April 2024
Senior Notes [Member] \| Four and One over Eight Euro-Denominated Senior Notes [Member]
Debt Instrument [Line Items]
Long-term debt	$ 348	360
Debt Instrument, Maturity Date, Description	November 2024
Senior Notes [Member] \| Five And One Over Four Senior Notes [Member]
Debt Instrument [Line Items]
Long-term debt	$ 375	375
Debt Instrument, Maturity Date, Description	March 2025
Senior Notes [Member] \| Four and One over Two Euro-Denominated Senior Notes [Member]
Debt Instrument [Line Items]
Long-term debt	$ 290	300
Debt Instrument, Maturity Date, Description	May 2025
Loans Payable [Member] \| Floating Rate Term Loan Due March Two Thousand Twenty Two [Member]
Debt Instrument [Line Items]
Long-term debt	$ 0	1,136
Debt Instrument, Maturity Date, Description	March 2022
Loans Payable [Member] \| Floating Rate Term Loan Due February Two Thousand Twenty Five [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	3.67%
Long-term debt	$ 1,126	0
Debt Instrument, Maturity Date, Description	February 2025
Debt Instrument, Description of Variable Rate Basis	200 basis points
Percentage Of Margin Aggregate Interest Rate	4.25%
Senior Notes and Loans Payable [Member]
Debt Instrument [Line Items]
Deferred Finance Costs, Net	$ (43)	(46)
Long-term Debt	$ 3,561	$ 3,599

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- Definition

This is focus fiscal year of the document report in CCYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006.

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

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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.

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The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

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Contractual interest rate for funds borrowed, under the debt agreement.

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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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Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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

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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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Amount of long-term debt classified as other.

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