Fair Value Measurements - Narrative (Details) $ in Billions	Sep. 30, 2022 USD ($) instrument	Sep. 30, 2021 USD ($)	Apr. 30, 2021 segment
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Number of instruments | segment			2
Quoted Prices in Active Markets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of long-term debt | $	$ 2.4	$ 3.8
Interest rate cap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Number of instruments | instrument	0