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Trade and Other Receivables, Net of Current Expected Credit Losses (Details) - USD ($) $ in Millions | Sep. 30, 2025 | Dec. 31, 2024
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Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Trade and other receivables, net of current expected credit losses | $ 569 | $ 544
Nonrelated Party [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Trade and other receivables, net of current expected credit losses | 359 | 380
Trade Accounts Receivable |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Trade and other receivables, net of current expected credit losses | 329 | 370
Other Receivables |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Trade and other receivables, net of current expected credit losses | $ 30 | $ 10

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