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.
|