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Supplemental Cash Flow Information (Tables) | 9 Months Ended
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Sep. 30, 2024
Supplemental Cash Flow Information [Abstract] |
Schedule of Cash Flow, Supplemental Disclosures | The following table provides supplemental disclosure of substantive cash flow information (in millions):
| Nine Months Ended September 30,
| 2024 |  | 2023 |  |
Cash paid during the period for interest on debt, net of amounts capitalized | $ | 823 |  |  | $ | 906 |  |  |
Cash paid (refunded) for income taxes, net | (72) |  |  | 85 |  |  |
Non-cash investing activity: |  |  |  |  |
Unpaid purchases of property, plant and equipment, net (1) | 175 |  |  | 204 |  |  |
Commitments due to equity method investee (1) | — |  |  | 14 |  |  |
Conveyance of other non-current assets to equity method investee in exchange for equity method investment or infrastructure support | 34 |  |  | 30 |  |  |
Non-cash financing activity (1): |  |  |  |  |
Unpaid excise taxes on repurchase of common stock | 18 |  |  | 9 |  |  |
Unpaid repurchase on common stock | — |  |  | 13 |  |  |
Unpaid dividends on common stock | — |  |  | 3 |  |  |
(1)Reflects unpaid portion, as of the end of each period, of assets and liabilities recognized during the respective periods.

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