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Net Income Per Share - TEU (Details) - USD ($) $ / shares in Units, $ in Millions |  |  | 12 Months Ended |
--- | --- | --- | --- | ---
Sep. 15, 2021 | Sep. 17, 2018 | Dec. 31, 2021 | Dec. 31, 2020 | Sep. 14, 2021
Earnings Per Share [Abstract] |  |  |  |  |
Tangible equity units issued |  | 16,500,000 |  |  |
Tangible equity units proceeds |  | $ 800 |  |  |
Price for basic share (in dollars per share) |  |  | $ 0.330911 | $ 0.313400 |
Price for diluted share (usd per share) |  |  | $ 0.330911 | $ 0.383900 |
Stock Issued During Period, Shares, Issued for Services | 5,460,031 |  |  |  |
Tangible Equity Units Final Settlement Rate |  |  |  |  | $ 0.330911

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