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v3.19.1

Capitalization (Details) - USD ($) |  | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jan. 22, 2018 | Jan. 31, 2019 | Mar. 31, 2019 | Mar. 31, 2018 | Dec. 31, 2018
Class of Stock [Line Items] |  |  |  |  |
Dividends declared (in usd per share) |  |  | $ 0.38 | $ 0.72 |
Proceeds from issuance of equity | $ 2,500,000,000 |  |  |  |
Par Value, in dollars per share | $ 100 |  | 100 |  | $ 100
Amount of private placement shares | 30,120,482 |  |  |  |
Common stock, par value (in dollars per share) | $ 0.10 |  | $ 0.1 |  | $ 0.1
Amount of private placement | $ 850,000,000 |  |  |  |
Liquidation preference value | $ 1,000 |  |  |  |
Conversion price (in dollars per share) | $ 27.42 |  |  |  |
Preferred stock shares outstanding |  | 209,822 |  |  |
Conversion threshold of Preferred Stock (in shares) | 323,200 |  |  |  |
Number of shares to be converted within two years | 0 |  |  |  |
Common stock share cap (in shares) | 58,964,222 |  |  |  |
Amortization of beneficial conversion |  |  | $ 0 | $ 113,000,000 |
Preferred Stock |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Number of shares converted (in shares) |  | 494,767 |  |  | 911,411
OPIC |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Amount of private placement | $ 847,000,000 |  |  |  |
Common Stock |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Amount of private placement | $ 3,000,000 |  |  |  |
Number of shares issued (in shares) |  | 18,044,018 |  |  | 33,238,910
Series A Convertible Preferred Stock |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Preferred stock shares issued | 1,616,000 |  | 1,616,000 |  | 1,616,000
Amount of preferred stock investment | $ 1,620,000,000 |  |  |  |
Preferred stock shares outstanding |  |  | 209,822 |  | 704,589
Series A Convertible Preferred Stock | Preferred Stock |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Amount of preferred stock investment | 162,000,000 |  |  |  |
Series A Convertible Preferred Stock | OPIC |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Amount of preferred stock investment | $ 1,460,000,000 |  |  |  |

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