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Supplemental Cash Flow Information (Tables) | 6 Months Ended
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Jun. 30, 2021
Supplemental Cash Flow Information [Abstract] |
Net Cash Paid For Interest and Income Taxes | Net cash paid (received) for interest and income taxes was as follows for the six-month periods ended June 30, 2021 and 2020 (in millions):
| Six Months Ended June 30,
| 2021 |  | 2020
Interest (1) | $ | 102 |  |  | $ | 69 |
Income Taxes, Net of Refunds Received | $ | 507 |  |  | $ | (76) |
(1)Net of capitalized interest of $15 million and $17 million for the six months ended June 30, 2021 and 2020, respectively.

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