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v3.20.4

Long-Term Debt - Long-Term Debt (Parenthetical) (Detail) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2017 | Jul. 03, 2017
1.36% due 2020, floating interest rate at Libor + 1.099% [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt maturity date | 2020 |  |
Interest rate | 1.36% |  |
Description of floating rate basis | Libor + 1.099% |  |
Basis spread on floating rate | 1.099% |  |
1.20% due 2020, floating interest rate at Libor + 0.956% [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt maturity date | 2020 |  |
Interest rate | 1.20% |  |
Description of floating rate basis | Libor + 0.956% |  |
Basis spread on floating rate | 0.956% |  |
0.37% due 2020, floating interest rate at Euribor + 0.817% [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt maturity date | 2020 |  |
Interest rate | 0.37% |  |
Description of floating rate basis | Euribor + 0.817% |  |
Basis spread on floating rate | 0.817% |  |
0.77% due 2021, floating interest rate at Libor + 0.525% [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt maturity date | 2021 |  |
Interest rate | 0.77% |  |
Description of floating rate basis | Libor + 0.525% |  |
Basis spread on floating rate | 0.525% |  |
0.83% due 2021, floating interest rate at Libor + 0.572% [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt maturity date | 2021 |  |
Interest rate | 0.83% |  |
Description of floating rate basis | Libor + 0.572% |  |
Basis spread on floating rate | 0.572% |  |
0.09% due 2028, floating interest rate at Euribor + 0.589% [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt maturity date | 2028 |  |
Interest rate | 0.09% |  |
Description of floating rate basis | Euribor + 0.589% |  |
Basis spread on floating rate | 0.589% |  |
0.22% due 2029, floating interest rate at Euribor + 0.564% [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt maturity date | 2029 |  |
Interest rate | 0.22% |  |
Description of floating rate basis | Euribor + 0.564% |  |
Basis spread on floating rate | 0.564% |  |
Zero-coupon, due 2022 (Tranche A) [Member] | Senior Unsecured Convertible Bonds [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt maturity date | 2022 | 2022 |
Interest rate | 0.00% |  |
0.25% due 2024 (Tranche B) [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate |  |  | 0.25%
0.25% due 2024 (Tranche B) [Member] | Senior Unsecured Convertible Bonds [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt maturity date | 2024 |  |
Interest rate | 0.25% |  |
Zero-coupon, due 2025 (Tranche A) [Member] | Senior Unsecured Convertible Bonds [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt maturity date | 2025 |  |
Interest rate | 0.00% |  |
0.48% (weighted average), due 2021-2028, fixed interest rate [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate | 0.48% |  |
0.48% (weighted average), due 2021-2028, fixed interest rate [Member] | Minimum [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt maturity date | 2021 |  |
0.48% (weighted average), due 2021-2028, fixed interest rate [Member] | Maximum [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt maturity date | 2028 |  |
Zero-coupon, due 2027 (Tranche B) [Member] | Senior Unsecured Convertible Bonds [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-term debt maturity date | 2027 |  |
Interest rate | 0.00% |  |

X
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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Definition 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. + 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=120391452&loc=d3e13212-122682 + Details
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