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Supplemental Cash Flow Information (Tables) | 12 Months Ended
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Dec. 31, 2021
Supplemental Cash Flow Information [Abstract] |
Net Cash Paid For Interest and Income Taxes | Net cash paid for (received from) interest and income taxes was as follows for the years ended December 31, 2021, 2020 and 2019 (in millions):
| 2021 |  | 2020 |  | 2019
Interest, Net of Capitalized Interest | $ | 185 |  |  | $ | 205 |  |  | $ | 187 |
Income Taxes, Net of Refunds Received | $ | 1,114 |  |  | $ | (206) |  |  | $ | (292) |

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