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Summary of Significant Accounting Policies - Income Taxes (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Income Tax Disclosure [Line Items] |  |  |
Approximate amount by which basis of assets and liabilities for tax reporting purposes is higher (lower) than amount reported on consolidated balance sheet | $ 236 |  |
Common Shares |  |  |
Income Tax Disclosure [Line Items] |  |  |
Ordinary income | 51.00% | 68.20% | 33.30%
Long-term capital gain | 49.00% | 31.80% | 57.30%
Return of capital | 0.00% | 0.00% | 9.40%

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- Definition Represents the approximate amount by which basis of assets and liabilities for tax reporting purposes are higher (lower) than the amount reported on consolidated balance sheet. + References No definition available. + Details
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