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Debt - Senior Convertible Notes (Details) - USD ($)	Sep. 30, 2022	Dec. 31, 2021		Dec. 31, 2020	May 31, 2020	Nov. 30, 2018
Senior Convertible Notes
Carrying amount of senior convertible notes	$ 1,968,800,000	$ 1,981,800,000	[1]	$ 2,033,100,000
Senior Notes
Senior Convertible Notes
Total principal amount	1,982,300,000	1,999,800,000
Unamortized debt issuance costs	(13,500,000)	(18,000,000.0)
Carrying amount of senior convertible notes	1,968,800,000	1,981,800,000
Senior Notes | Senior Convertible Notes due 2023
Senior Convertible Notes
Total principal amount	774,800,000	792,300,000				$ 850,000,000
Senior Notes | Senior Convertible Notes due 2025
Senior Convertible Notes
Total principal amount	$ 1,207,500,000	$ 1,207,500,000			$ 1,210,000,000
[1] * We adjusted our 2021 amounts to reflect the simplified convertible instruments accounting guidance, which we adopted on a full retrospective basis. All periods presented have also been adjusted to reflect the four-for-one stock split. Refer to Note 1, “Organization and Significant Accounting Policies,” for further information.

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Carrying value as of the balance sheet date of long-term debt (with maturities initially due after one year or beyond the operating cycle if longer) identified as Convertible Notes Payable, excluding current portion. Convertible Notes Payable is a written promise to pay a note which can be exchanged for a specified amount of another, related security, at the option of the issuer and the holder.

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