Senior Unsecured Notes and Secured Debt - Outstanding Exchangeable (Details) - USD ($)	Mar. 31, 2025	Dec. 31, 2024	Mar. 31, 2024	Dec. 31, 2023
Unsecured Debt [Line Items]
Principal	$ 16,018,300,000
Less: unamortized debt issuance costs	86,972,000
Total carrying value of debt	15,723,857,000
Senior unsecured notes
Unsecured Debt [Line Items]
Principal	13,366,130,000	$ 13,326,465,000	$ 12,328,089,000	$ 13,699,619,000
Less: unamortized debt issuance costs	71,827,000
Total carrying value of debt	13,219,202,000
2028 Exchangeable Notes | Senior unsecured notes
Unsecured Debt [Line Items]
Principal	1,035,000,000	1,035,000,000
Less: unamortized debt issuance costs	14,454,000	15,622,000
Total carrying value of debt	1,020,546,000	1,019,378,000
2029 Exchangeable Notes | Senior unsecured notes
Unsecured Debt [Line Items]
Principal	1,035,000,000	1,035,000,000
Less: unamortized debt issuance costs	17,407,000	18,422,000
Total carrying value of debt	$ 1,017,593,000	$ 1,016,578,000