Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Income Taxes (Details)

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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%