Debt - 2027 Senior Notes (Details) - 2027 Senior Notes - USD ($)	3 Months Ended
	Dec. 31, 2024	Feb. 21, 2017
Debt Instrument [Line Items]
Aggregate principal amount		$ 1,000,000,000
Interest rate (as percent)	5.125%	5.125%
Estimated fair value	$ 979,800,000
Debt Instrument, Redemption, Period One
Debt Instrument [Line Items]
Redemption price (as percent)	100.00%
Debt Instrument, Redemption, Period Two
Debt Instrument [Line Items]
Redemption price (as percent)	100.00%