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Supplemental Cash Flow Information (Tables) | 12 Months Ended
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Dec. 31, 2021
Supplemental Cash Flow Elements [Abstract] |
Supplemental cash flows related to leases | The following provides additional information relating to cash flow activities:
| Year ended December 31,
| 2021 |  | 2020 |  | 2019
| (in millions)
Cash paid during the year for |  |  |  |  |
Interest—net of interest capitalized | $ | 176 |  |  | $ | 184 |  |  | $ | 228 |
Income taxes—net of refunds | 430 |  |  | 111 |  |  | (41) |
Supplemental disclosure of noncash investing and financing activities: |  |  |  |  |
Change in capitalized expenditures in accounts payable and accrued expenses | $ | (8) |  |  | $ | 1 |  |  | $ | (6) |
Change in accrued share repurchases | (1) |  |  | — |  |  | (33) |
Supplemental cash flow information related to leases was as follows:
| Year ended December 31,
| 2021 |  | 2020 |  | 2019
| (in millions)
Operating cash flows - cash paid for amounts included in the measurement of operating lease liabilities | $ | 97 |  |  | $ | 105 |  |  | $ | 93 |
Right-of-use (ROU) assets obtained in exchange for operating lease obligations | 80 |  |  | 80 |  |  | 73 |

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- References No definition available. + Details
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