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Debt - Additional Information (Detail) | 1 Months Ended | 5 Months Ended | 7 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Nov. 30, 2019 USD ($) | Aug. 31, 2019 USD ($) | May 31, 2019 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) | Dec. 31, 2019 EUR (€) | Oct. 31, 2019 USD ($) | Mar. 31, 2019
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Aggregate principal amount of debt repurchased | $ 300,000,000 | $ 357,000,000 |  |  |  |  |  |  |  |
Interest rate |  | 3.85% |  |  |  |  |  |  |  |
Consideration for repurchase of debt |  | $ 728,000,000 |  |  |  |  |  |  |  |
Loss related to extinguishment of debt/credit facility |  |  |  |  | $ 28,300,000 | $ 4,100,000 | $ 32,300,000 |  |  |
Line of credit facility, maximum borrowing capacity |  |  |  |  |  |  |  |  | $ 600,000,000 |
Cash consideration on sale of business |  |  |  |  | 996,000,000 |  |  |  |  |
Debt instrument, unamortized discount (premium) and debt issuance costs, net |  |  |  | $ 33,300,000 | $ 33,300,000 | $ 43,700,000 |  |  |  |
4.00% senior notes due 2024 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Aggregate principal amount of debt repurchased |  | $ 299,000,000 |  |  |  |  |  |  |  |
Interest rate |  | 4.00% |  | 4.00% | 4.00% | 4.00% |  | 4.00% |  |
Debt instrument, face amount |  |  |  | $ 100,000,000 | $ 100,000,000 |  |  |  |  |
3.90% senior notes due 2025 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Aggregate principal amount of debt repurchased |  | $ 44,000,000.0 |  |  |  |  |  |  |  |
Interest rate |  | 3.90% |  | 3.90% | 3.90% | 3.90% |  | 3.90% |  |
5.00% senior notes due 2023 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Interest rate | 5.00% |  |  | 5.00% | 5.00% | 5.00% |  | 5.00% |  |
Consideration for repurchase of debt | $ 308,000,000 |  |  |  |  |  |  |  |  |
2.60% senior notes due 2019 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  | 2.60% | 2.60% | 2.60% |  | 2.60% |  | 2.60%
Consideration for repurchase of debt | $ 268,000,000 |  |  |  |  |  |  |  |  |
3.75% senior notes due 2021 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  | 3.75% | 3.75% | 3.75% |  | 3.75% |  |
Debt instrument, face amount | € |  |  |  |  |  |  |  | € 300,000,000.0 |  |
Deferred gain (loss) on net investment hedge recorded in AOCL, net of tax |  |  |  |  | $ 4,000,000.0 |  |  |  |  |
Revolving Credit Facility |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Loss related to extinguishment of debt/credit facility |  |  |  |  | 28,300,000 |  |  |  |  |
Line of credit facility, current borrowing capacity |  |  |  | $ 1,250,000,000 | 1,250,000,000 |  |  |  |  |
Revolving Credit Facility | Commercial Paper |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  |  |  | 800,000,000 | 800,000,000 |  |  |  |  |
Revolving Credit Facility | Letter of Credit |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  |  |  | 100,000,000 | $ 100,000,000 |  |  |  |  |
Senior notes |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Long-term debt, cash tender offer |  | $ 700,000,000 |  |  |  |  |  |  |  |
Old facility borrowing capacity |  |  | $ 950,000,000 |  |  |  |  |  |  |
New facility borrowing capacity |  |  |  | $ 700,000,000 |  |  |  |  |  |

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