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Supplemental Cash Flow Information	6 Months Ended
Supplemental Cash Flow Information	Jun. 30, 2016
Supplemental Cash Flow Information
Supplemental Cash Flow Information	4. Supplemental Cash Flow Information Occidental paid foreign, state and federal income taxes of $288 million and $638 million during the six months ended June 30, 2016 and 2015, respectively. During the second quarter of 2016, Occidental received federal income tax refunds of $302 million as a result of the carryback of net operating losses generated in 2015. Interest paid totaled $154 million and $108 million in each of the six months ended June 30, 2016 and 2015, respectively.