Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Income Taxes) (Details)

v3.22.4
Summary of Significant Accounting Policies (Income Taxes) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
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 $ (7)    
Common Shares      
Income Tax Disclosure [Line Items]      
Ordinary income 68.20% 33.30% 45.10%
Long-term capital gain 31.80% 57.30% 54.90%
Return of capital 0.00% 9.40% 0.00%