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Long-Term Debt and Short-Term Borrowings - Long-Term Debt - Additional Information (Detail) |  | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Oct. 31, 2017 USD ($) | Sep. 30, 2019 USD ($) | Sep. 30, 2018 USD ($) | Sep. 30, 2019 EUR (€) | Dec. 31, 2018 | Dec. 20, 2018 EUR (€)
Debt Instrument [Line Items] |  |  |  |  |  |
Borrowings from line of credit |  | $ 2,683,000,000 | $ 2,913,000,000 |  |  |
Minimum coverage ratio of EBITDA to total interest expense expressed in percentage |  | 200.00% |  |  |  |
Maximum leverage ratio of total debt less available cash to EBITDA expressed in percentage |  | 425.00% |  |  |  |
Maximum leverage ratio during first four quarter that qualified acquisition is consummated |  | 475.00% |  |  |  |
Coverage ratio of EBITDA to total interest expense expressed in percentage |  | 2221.00% |  | 2221.00% |  |
Leverage ratio of total debt less available cash to EBITDA expressed in percentage |  | 65.00% |  | 65.00% |  |
4.875% Senior Notes [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Interest rate of long-term debt |  | 4.875% |  | 4.875% | 4.875% |
5.25% Senior Notes [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Interest rate of long-term debt |  | 5.25% |  | 5.25% | 5.25% |
Tranche A term loan facility [Member] | 2017 Credit Agreement [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Term loan facility due and payable | € |  |  |  |  |  | € 400,000,000.0
Borrowings from line of credit | $ 300,000,000.0 |  |  |  |  |
Amounts available to borrow under Credit Agreement |  | $ 750,000,000.0 |  |  |  |
Termination date |  | Oct. 31, 2022 |  |  |  |
Maximum leverage ratio |  | 250.00% |  |  |  |
Tranche A term loan facility [Member] | 2019 Credit Agreement [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Amounts available to borrow under Credit Agreement |  | $ 300,000,000.0 |  |  |  |
Termination date |  | Mar. 04, 2024 |  |  |  |
Maximum leverage ratio |  | 250.00% |  |  |  |
Revolving credit facility [Member] | 2017 Credit Agreement [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Amounts available to borrow under Credit Agreement |  | $ 2,800,000,000 |  |  |  |
Termination date |  | Oct. 31, 2022 |  |  |  |
Revolving credit facility [Member] | 2019 Credit Agreement [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Amounts available to borrow under Credit Agreement |  | $ 2,800,000,000 |  |  |  |
Termination date |  | Mar. 04, 2024 |  |  |  |
Euro term loan facility [Member] | 2017 Credit Agreement [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Term loan facility due and payable | € |  |  |  | € 400,000,000.0 |  |
Debt instrument, maturity date |  | Dec. 20, 2023 |  |  |  |
Euro term loan facility [Member] | 2019 Credit Agreement [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Term loan facility due and payable | € |  |  |  | € 400,000,000.0 |  |
Debt instrument, maturity date |  | Dec. 20, 2023 |  |  |  |

X
- Definition Ratio of EBITDA as defined in the Credit Agreement to interest expense calculated over a trailing twelve month period. + References No definition available. + Details
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- Definition Leverage ratio of total debt to EBITDA. + References No definition available. + Details
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- Definition Maximum leverage ratio during first four quarter that qualified acquisition is consummated. + References No definition available. + Details
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- Definition This element represents the maximum ratio of debt less available cash to earnings before interest, taxes, depreciation and amortization (EBITDA) allowed in the reporting entity's credit agreement. + References No definition available. + Details
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- Definition This element represents the minimum ratio of earnings before interest, taxes, depreciation and amortization (EBITDA) to total interest expense required in the reporting entity's credit agreement. + References No definition available. + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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