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Supplemental Cash Flow Information
6 Months Ended
Jun. 30, 2021
Supplemental Cash Flow Information [Abstract]  
Supplemental Cash Flow Information Supplemental Cash Flow Information
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,
 20212020
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.

EOG's accrued capital expenditures at June 30, 2021 and 2020 were $445 million and $246 million, respectively.
Non-cash investing activities for the six months ended June 30, 2021 and 2020, included additions of $25 million and $55 million, respectively, to EOG's oil and gas properties as a result of property exchanges. Non-cash investing activities for the six months ended June 30, 2021 and 2020, also included additions of $74 million and $73 million, respectively, to EOG's other property, plant and equipment made in connection with finance lease transactions for storage facilities.