| SUPPLEMENTAL CASH FLOW INFORMATION The following table provides supplemental disclosure of substantive cash flow information (in millions): | | | | | | | | | | | | | | | | | | | Year Ended December 31, | | 2024 | | 2023 | | 2022 | | Cash paid during the period for interest on debt, net of amounts capitalized | $ | 1,075 | | | $ | 1,032 | | | $ | 891 | | | Cash paid (refunded) for income taxes, net | (92) | | | 117 | | | 30 | | | Non-cash investing activity: | | | | | | | Unpaid purchases of property, plant and equipment (1) | 256 | | | 204 | | | 181 | | | | | | | | | | | | | | | Conveyance of property, plant and equipment in exchange for other non-current assets | — | | | — | | | 17 | | | | | | | | | 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 | 21 | | | 13 | | | — | | | Unpaid repurchase on common stock | — | | | 10 | | | — | | | Unpaid dividends on common stock | — | | | 3 | | | 4 | |
(1)Reflects unpaid portion, as of the end of each period, of assets and liabilities recognized during the respective periods. See Note 11—Leases for supplemental cash flow information related to our leases.
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