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Derivative Liabilities - Schedule of Fair Value Recurring Basis (Details) - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total derivative liabilities	$ 41	$ 48
Common stock warrants
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	18	22
Public warrants | Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	11	13
Private placement warrants | Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	7	9
Earnout share liabilities | Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative liabilities	$ 23	$ 26

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