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Supplemental Cash Flow Information	3 Months Ended
Supplemental Cash Flow Information	Mar. 31, 2016
Supplemental Cash Flow Information
Supplemental Cash Flow Information	4. Supplemental Cash Flow Information Occidental paid United States state and foreign income taxes of $102 million and $259 million during the three months ended March 31, 2016 and 2015, respectively. No federal income tax payments were made during the three months ended March 31, 2016 and 2015, because Occidental reported a 2015 net operating loss. Interest paid totaled $89 million in each of the three months ended March 31, 2016 and 2015.