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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
CONDENSED CONSOLIDATED BALANCE SHEETS
Allowance for doubtful accounts	$ 2	$ 2
Materials and supplies, allowance for obsolescence	$ 138	$ 178
Shares, Par value	$ 0.1	$ 0.1
Shares, authorized	1,204,009,681	1,057,879,029
Shares, conditionally authorized	141,262,093	141,262,093
Shares, issued	1,204,009,681	940,828,901
Shares, outstanding	1,100,992,035	875,830,772

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- Definition

Conditional capital represents the amount of additional registered shares that the board is authorized to issue without obtaining additional shareholder approval.

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Amount of allowance for credit loss on accounts receivable, classified as current.

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Face amount or stated value per share of common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Amount of valuation reserve for inventory.

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