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Debt - Schedule of Interest Expense Related to Convertible Senior Notes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Debt Instrument [Line Items]
Interest Expense	$ 3	$ 9	$ 13	$ 28
Convertible Debt
Debt Instrument [Line Items]
Contractual Coupon Interest				17
Amortization of Debt Issuance Costs				4
Interest Expense				21
Convertible Debt | 2026 Notes
Debt Instrument [Line Items]
Contractual Coupon Interest				5
Amortization of Debt Issuance Costs				1
Interest Expense				6
Convertible Debt | 2025 Notes
Debt Instrument [Line Items]
Contractual Coupon Interest				9
Amortization of Debt Issuance Costs				2
Interest Expense				11
Convertible Debt | 2024 Notes
Debt Instrument [Line Items]
Contractual Coupon Interest				3
Amortization of Debt Issuance Costs				1
Interest Expense				$ 4

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Amount of amortization expense attributable to debt issuance costs.

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