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Short And Long-Term Debt Issuance and Partial Redemption of Convertible Debt (Details) - USD ($) $ in Millions |  | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jun. 26, 2025 | Sep. 30, 2025 | Sep. 30, 2025 | Sep. 30, 2024 | Jun. 30, 2025 | Dec. 31, 2024
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Long-term Debt, Gross |  | $ 2,599 |  | $ 2,599 |  |  |  |
Repayments of Convertible Debt |  |  |  | 361 |  | $ 0 |  |
Percentage of Exchangeable Senior Notes repurchased |  |  |  |  |  |  | 8600.00% |
9.75% Senior Secured Second Lien Notes | Secured Debt |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Long-term Debt, Gross |  | $ 500 | [1] | $ 500 | [1] |  |  | $ 0
Interest Rate |  | 9.75% |  | 9.75% |  |  |  |
0.25% Exchangeable Senior Notes | Convertible Debt |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Long-term Debt, Gross |  | $ 36 | [1] | $ 36 | [1] |  |  | $ 403
Interest Rate |  | 0.25% |  | 0.25% |  |  |  |
Debt Instrument, Repaid, Principal | $ 345 | $ 22 |  |  |  |  |  |
Repayments of Convertible Debt | $ 339 | $ 22 |  |  |  |  |  |
Proportional amount of the exchangeable note hedge terminated |  |  |  |  |  |  | $ 58 |
Proportional amount of exchangeable note warrants terminated |  |  |  |  |  |  | $ 40 |
[1] | See below under the header "Issuance of 9.75% Senior Secured Second Lien Notes due 2030 and Partial Repurchases of Exchangeable Senior Notes" for additional information related to the debt transactions during the second and third quarters of 2025.

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- Definition Percentage of Exchangeable Senior Notes repurchased during the second quarter of 2025 in connection with the issuance of 9.75% Senior Secured Second Lien Notes due 2030. + References No definition available. + Details
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