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v3.20.1

Long-term Debt - Additional Information (Detail) € in Millions, $ in Millions |  | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Apr. 22, 2020 USD ($) | Mar. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Mar. 31, 2020 EUR (€) | Dec. 31, 2019 EUR (€)
Debt Instrument [Line Items] |  |  |  |  |
Long-term debt, fair value |  | $ 15,100 | $ 15,300 |  |
Committed credit facility agreement aggregated |  | 6,250 |  |  |
Unused credit facility |  | $ 3,500 |  |  |
Revolving Credit Facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Committed credit facility agreement aggregated | € |  |  |  | € 1,200 |
Credit facility extended period |  | 1 year |  |  |
Revolving Credit Facility | Subsequent Event |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Credit facility drawn | $ 0 |  |  |  |
Commercial paper programs mature in February 2023 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Committed credit facility agreement aggregated |  | $ 2,750 |  |  |
Commercial paper programs mature in July 2024 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Committed credit facility agreement aggregated |  | 1,500 |  |  |
Commercial paper programs mature in February 2025 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Committed credit facility agreement aggregated |  | 2,000 |  |  |
Commercial paper borrowings |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Long-term debt |  | $ 2,750 | $ 2,200 |  |
0.25% Notes due 2027 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Notes, face amount | € |  |  |  | € 400 | € 500
Debt instrument interest rate |  | 0.25% | 0.25% | 0.25% | 0.25%
Debt instrument maturity date |  | 2027 | 2027 |  |
0.50% Notes due 2031 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Notes, face amount | € |  |  |  | € 400 | € 500
Debt instrument interest rate |  | 0.50% | 0.50% | 0.50% | 0.50%
Debt instrument maturity date |  | 2031 | 2031 |  |

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- Definition Period remaining on line of credit facility before it terminates, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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