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Debt - Narrative (Details) - 2019 Unsecured Term Loan - Term Loan | 1 Months Ended | 3 Months Ended |
--- | --- | --- | ---
Mar. 31, 2019 USD ($) | Mar. 31, 2019 lender | Feb. 28, 2019 USD ($)
Debt Instrument [Line Items] |  |  |
Debt instrument face amount |  |  | $ 1,000,000,000
Number of lenders | lender |  | 2 |
Repayment of debt | $ 300,000,000 |  |

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- Details
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