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Fair Value Measurements - Narrative (Details)
$ in Millions
9 Months Ended
Sep. 30, 2023
USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Asset impairment charges $ 17
Prepayment rate  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Measurement input 0.02
Discount rate  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Measurement input 0.139