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Supplemental Information To Statements Of Cash Flows (Tables) | 12 Months Ended
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Dec. 31, 2020
Supplemental Cash Flow Elements [Abstract] |
Schedule Of Supplemental Information To Statements Of Cash Flows |
|  | Year Ended December 31, |
|  | 2020 |  |  | 2019 |  |  | 2018 |
Changes in assets and liabilities, net: |  |  |  |  |  |  |  |  |  |  |  |
Accounts receivable |  | $ | 231 |  |  | $ | (3 | ) |  | $ | (69 | )
Other current assets |  |  | (97 | ) |  |  | (7 | ) |  |  | (152 | )
Other long-term assets |  |  | (9 | ) |  |  | 17 |  |  |  | (7 | )
Accounts payable |  |  | (38 | ) |  |  | (54 | ) |  |  | (3 | )
Revenues and royalties payable |  |  | (71 | ) |  |  | 8 |  |  |  | 106 |
Other current liabilities |  |  | (68 | ) |  |  | (66 | ) |  |  | 3 |
Other long-term liabilities |  |  | (43 | ) |  |  | 23 |  |  |  | (36 | )
Total |  | $ | (95 | ) |  | $ | (82 | ) |  | $ | (158 | )
Supplementary cash flow data - total operations: |  |  |  |  |  |  |  |  |  |  |  |
Interest paid |  | $ | 259 |  |  | $ | 308 |  |  | $ | 385 |
Income taxes paid |  | $ | 171 |  |  | $ | 6 |  |  | $ | 40 |

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- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
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- References No definition available. + Details
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Balance Type: | na
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