Debt - Revolving Credit Facility (Details) - Revolving Credit Facility - USD ($)	Sep. 30, 2023	Aug. 31, 2023
Line of Credit Facility [Line Items]
Maximum borrowing capacity	$ 2,600,000,000	$ 2,500,000,000
Increase in maximum borrowing capacity	61,000,000
Optional limit increase	$ 939,000,000
Weighted average interest rate	6.82%
Covenant, ratio of indebtedness to net capital, maximum	0.65
Ratio of indebtedness to net capital	0.26