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v3.20.2

Debt - Narrative (Details) - USD ($) | 1 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2018 | Sep. 30, 2020 | May 13, 2020
Senior Notes |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument, face amount |  |  | $ 2,000,000,000.0
Senior Notes | 2.25% senior notes due 2027 |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument, face amount |  |  | $ 1,000,000,000.0
Debt instrument, interest rate |  | 2.25% | 2.25%
Senior Notes | 2.65% senior notes due 2030 |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument, face amount |  |  | $ 1,000,000,000.0
Debt instrument, interest rate |  | 2.65% | 2.65%
Senior Notes | 2.7% senior notes due 2020 |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument, interest rate |  | 2.70% |
Repaid debt |  | $ 850,000,000 |
Senior Notes | 4.75% senior notes due 2021 |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument, interest rate |  | 4.75% |
Revolving credit facility |  |  |
Debt Instrument [Line Items] |  |  |
Repaid debt | $ 1,100,000,000 |  |
Revolving credit facility | Line of Credit |  |  |
Debt Instrument [Line Items] |  |  |
Maximum borrowing capacity |  | $ 3,500,000,000 |

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