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Supplemental Cash Flow Information | 12 Months Ended
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Dec. 31, 2023
Supplemental Cash Flow Elements [Abstract] |
Supplemental Cash Flow Information | Supplemental Cash Flow Information The following provides additional information relating to cash flow activities:
| Year ended December 31,
| 2023 |  | 2022 |  | 2021
| (in millions)
Cash paid during the year for |  |  |  |  |
Interest—net of interest capitalized | $ | 145 |  |  | $ | 257 |  |  | $ | 176 |
Income taxes—net of refunds | 373 |  |  | 1,776 |  |  | 430 |
Supplemental disclosure of noncash investing and financing activities: |  |  |  |  |
Change in capitalized expenditures in accounts payable and accrued expenses | $ | 15 |  |  | $ | 18 |  |  | $ | (8) |
Change in accrued share repurchases, including accrued excise taxes | 5 |  |  | (1) |  |  | (1) |
Interest—net of interest capitalized for the year ended December 31, 2022 includes interest paid to Canadian taxing authorities of approximately $100 million related to tax years 2006 through 2011. See Note 12—Income Taxes—“Canada Revenue Agency Competent Authority Matter” for additional information. Income taxes—net of refunds for the year ended December 31, 2022 includes certain payments of CAD $363 million (approximately $267 million) to Canadian taxing authorities, which are reflected in the line “Other—net” in our consolidated statement of cash flows. These payments were made in order to mitigate the assessment of future Canadian interest on transfer pricing positions. See Note 12—Income Taxes—“Unrecognized Tax Benefits” for additional information.

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- Definition The entire disclosure for supplemental cash flow activities, including cash, noncash, and part noncash transactions, for the period. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//230/tableOfContent + Details
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