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v3.23.2

Financing Activities - Interest Expense (Details) - Convertible Debt - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Debt Instrument [Line Items] |  |  |  |
Non-cash amortization of debt issuance costs | $ 3 | $ 3 | $ 5 | $ 7
Contractual coupon interest | 5 | 6 | 10 | 12
Total interest expense | $ 8 | $ 9 | $ 15 | $ 19

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