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Long-Term Debt - Additional Information (Detail) - USD ($) |  |  |  |  | 12 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Nov. 26, 2018 | Oct. 31, 2018 | Oct. 23, 2018 | Jun. 07, 2016 | Dec. 31, 2018 | Apr. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Jun. 03, 2016 | Aug. 07, 2014
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Line of credit facility, starting date |  |  |  |  | Oct. 23, 2018 |  |  |  |  |
Rate adjustment to weighted average federal funds rate for credit facility borrowings |  |  |  |  | 0.50% |  |  |  |  |
Rate adjustment to one month Eurodollar rate on credit facility borrowings |  |  |  |  | 1.00% |  |  |  |  |
Accounts receivable securitization program credit facility, borrowing capacity |  |  |  |  |  | $ 450,000,000 | $ 440,000,000 |  |  |
Accounts receivable securitization program credit facility, amount outstanding |  |  |  |  | $ 390,000,000 |  |  |  |  |
Accounts receivable securitization program credit facility, available borrowing capacity |  |  |  |  | 60,000,000 |  |  |  |  |
Debt instrument carrying amount |  |  |  |  | 3,998,633,000 |  |  | $ 4,040,009,000 |  |
Fair value of debt |  |  |  |  | $ 4,000,000,000 |  |  | 4,100,000,000 |  |
3.75% Senior Secured Notes due 2019 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Senior Notes |  |  |  |  |  |  |  | 299,931,000 |  |
Senior notes, interest rate |  |  |  |  | 3.75% |  |  |  |  |
4.75% Senior Secured Notes due 2022 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Senior Notes |  |  |  |  | $ 703,363,000 |  |  | 704,306,000 |  |
Senior notes, interest rate |  |  |  |  | 4.75% |  |  |  |  |
5.00% Senior Secured Notes due 2026 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Senior Notes |  |  |  |  | $ 400,000,000 |  |  | $ 400,000,000 |  |
Senior notes, interest rate |  |  |  |  | 5.00% |  |  | 5.00% |  |
Revolving Credit Facility |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Line of credit facility, borrowing capacity |  |  | $ 1,000,000,000 | $ 800,000,000 |  |  |  |  |  |
Line of credit facility increased amount |  |  | 200,000,000 |  |  |  |  |  |  |
Line of credit facility, available borrowing capacity |  |  |  |  | $ 960,000,000 |  |  |  |  |
Line of credit facility amount outstanding |  |  | 1,000,000 |  | $ 0 |  |  |  |  |
Current applicable margins |  |  |  |  | 1.375% |  |  |  |  |
Revolving Credit Facility | ABR-based loans |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Current applicable margins |  |  |  |  | 0.375% |  |  |  |  |
Revolving Credit Facility | Minimum | One Month Eurodollar Rate Plus Index Based Loans |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Consolidated Leverage Ratio |  |  |  |  | 0.375% |  |  |  |  |
Revolving Credit Facility | Minimum | One Two Three Six Month Eurodollar Rate Plus Index Based Loans |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Consolidated Leverage Ratio |  |  |  |  | 1.375% |  |  |  |  |
Revolving Credit Facility | Maximum | One Month Eurodollar Rate Plus Index Based Loans |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Consolidated Leverage Ratio |  |  |  |  | 0.625% |  |  |  |  |
Revolving Credit Facility | Maximum | One Two Three Six Month Eurodollar Rate Plus Index Based Loans |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Consolidated Leverage Ratio |  |  |  |  | 1.625% |  |  |  |  |
Revolving Credit Facility | Short Term on Demand Credit Facility |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Line of credit facility amount outstanding |  |  |  |  | $ 6,000,000 |  |  |  |  |
Revolving Credit Facility | Letter of Credit |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Line of credit facility, borrowing capacity |  |  |  |  | 125,000,000 |  |  |  |  |
Letters of credit, outstanding |  |  |  |  | $ 34,000,000 |  |  |  |  |
Tranche A Term Loan |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Line of credit facility, borrowing capacity |  |  | 2,000,000,000 | $ 1,710,000,000 |  |  |  |  |  |
Line of credit facility increased amount |  |  | $ 290,000,000 |  |  |  |  |  |  |
Senior notes, maturity date |  |  | Oct. 23, 2023 | Aug. 07, 2019 |  |  |  |  |  |
Debt Instrument Periodic Payment Commencing Date |  | Mar. 31, 2019 |  |  |  |  |  |  |  |
Tranche A Term Loan | Quarterly Payment for First Eight Installments |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Scheduled principal payments made |  | $ 12,500,000 |  |  |  |  |  |  |  |
Tranche A Term Loan | Quarterly Payment after Eight Installments Until Maturity |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Scheduled principal payments made |  | 25,000,000 |  |  |  |  |  |  |  |
Tranche B Term Loan |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Line of credit facility, borrowing capacity |  | 500,000,000 |  |  |  |  |  |  |  |
Senior notes, maturity date |  |  |  |  | Oct. 31, 2025 |  |  |  |  |
Scheduled principal payments made |  | $ 1,250,000 |  |  |  |  |  |  |  |
Debt Instrument Periodic Payment Commencing Date |  | Mar. 31, 2019 |  |  |  |  |  |  |  |
New Senior Secured Notes |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Senior notes, issued |  |  |  |  | $ 1,100,000,000 |  |  |  |  |
New Senior Secured Notes | 3.75% Senior Secured Notes due 2019 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Senior Notes |  |  |  |  |  |  |  |  |  | $ 300,000,000
Senior notes, interest rate |  |  |  |  |  |  |  |  |  | 3.75%
Senior notes, issued |  |  |  |  |  |  |  |  |  | $ 300,000,000
Redemption price, percentage | 100.485% |  |  |  |  |  |  |  |  |
Redemption premium paid | $ 1,000,000 |  |  |  |  |  |  |  |  |
New Senior Secured Notes | 4.75% Senior Secured Notes due 2022 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Senior notes, maturity date |  |  |  |  | Aug. 01, 2022 |  |  |  |  |
Senior notes, interest rate |  |  |  |  | 4.75% |  |  |  |  |
Senior notes, issued |  |  |  |  | $ 700,000,000 |  |  |  | $ 400,000,000 | $ 300,000,000
Senior notes issued percentage |  |  |  |  |  |  |  |  | 101.50% |
Senior notes yield percentage |  |  |  |  |  |  |  |  | 4.35% |
New Senior Secured Notes | 5.00% Senior Secured Notes due 2026 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Senior notes, maturity date |  |  |  |  | Jun. 01, 2026 |  |  |  |  |
Senior notes, interest rate |  |  |  |  |  |  |  |  | 5.00% |
Senior notes, issued |  |  |  |  |  |  |  |  | $ 400,000,000 |
Term Loan A |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Line of credit facility amount outstanding |  |  |  |  | $ 2,000,000,000 |  |  | $ 1,774,607,000 |  |
Current applicable margins |  |  |  |  | 1.375% |  |  |  |  |
Term Loan A | ABR-based loans |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Current applicable margins |  |  |  |  | 0.375% |  |  |  |  |
Term Loan A | Minimum | One Month Eurodollar Rate Plus Index Based Loans |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Consolidated Leverage Ratio |  |  |  |  | 0.375% |  |  |  |  |
Term Loan A | Minimum | One Two Three Six Month Eurodollar Rate Plus Index Based Loans |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Consolidated Leverage Ratio |  |  |  |  | 1.375% |  |  |  |  |
Term Loan A | Maximum | One Month Eurodollar Rate Plus Index Based Loans |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Consolidated Leverage Ratio |  |  |  |  | 0.625% |  |  |  |  |
Term Loan A | Maximum | One Two Three Six Month Eurodollar Rate Plus Index Based Loans |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Consolidated Leverage Ratio |  |  |  |  | 1.625% |  |  |  |  |
Term Loan A | Tranche B Term Loan | One Month Eurodollar Rate Plus Index Based Loans |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Consolidated Leverage Ratio |  |  |  |  | 0.75% |  |  |  |  |
Term Loan A | Tranche B Term Loan | One Two Three Six Month Eurodollar Rate Plus Index Based Loans |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Consolidated Leverage Ratio |  |  |  |  | 1.75% |  |  |  |  |

X
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- Definition Debt instrument periodic payment commencing date. + References No definition available. + Details
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- Definition Debt instrument principal amount issuance percentage. + References No definition available. + Details
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- Definition Debt instrument, redemption premiums paid. + References No definition available. + Details
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- Definition Debt instrument yield percentage. + References No definition available. + Details
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- Definition Interest rate margin adjustment percentage. + References No definition available. + Details
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- Definition Rate adjustment to federal funds rate weighted average. + References No definition available. + Details
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- Definition Rate adjustment to one month Eurodollar rate on credit facility borrowings. + References No definition available. + Details
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- Definition Securitized borrowings credit facility borrowing capacity. + References No definition available. + Details
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- Definition Securitized borrowings credit facility remaining borrowing capacity. + References No definition available. + Details
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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + 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 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. + References No definition available. + 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=99377789&loc=d3e19207-110258 + Details
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- Definition Amount of the required periodic payments applied to principal. + 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) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Percentage price of original principal amount of debt at which debt can be redeemed by the issuer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph e -URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823 + Details
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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the 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)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -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 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -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 + Details
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- Definition Amount of increase (decrease) of the credit facility. + References Reference 1: 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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- Definition Date the credit facility first became available, in CCYY-MM-DD format. + 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 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 borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + 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, 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -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 Reference 4: 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)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. + References No definition available. + Details
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- Definition This is the principal amount outstanding for securitized loans only (across all types of loans). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109247956&loc=d3e107314-111719 + Details
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- Definition Carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. Senior note holders are paid off in full before any payments are made to junior note holders. + 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) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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