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REVENUE (Tables)
 6 Months Ended
Jun. 30, 2023
Revenue from Contract with Customer [Abstract]  
Schedule of Reconciliation of Revenue from Customers to Total Net Sales
The following table shows a reconciliation of revenue from customers to total net sales for the three and six months ended June 30, 2023 and 2022:

Three months ended June 30,Six months ended June 30,
millions2023202220232022
Revenue from customers$6,601 $10,351 $13,716 $18,564 
All other revenues (a)
101 325 211 461 
Net sales$6,702 $10,676 $13,927 $19,025 
(a)    Includes net marketing derivatives and chemical exchange contracts.
Schedule of Revenue from Customers by Segment, Product, and Geographical Area
The table below presents Occidental's revenue from customers by segment, product and geographical area. The oil and gas segment typically sells its oil, NGL and gas at the lease or concession area. Chemical segment revenues are shown by geographic area based on the location of the sale. Excluding net marketing revenue, midstream and marketing segment revenues are shown by the location of sale:

millionsUnited StatesInternationalEliminationsTotal
Three months ended June 30, 2023
Oil and gas
Oil$3,446 $795 $— $4,241 
NGL352 90 — 442 
Gas161 87 — 248 
Other10 — — 10 
Segment total$3,969 $972 $— $4,941 
Chemical$1,292 $82 $— $1,374 
Midstream and marketing$421 $95 $— $516 
Eliminations$— $— $(230)$(230)
Consolidated$5,682 $1,149 $(230)$6,601 
millionsUnited StatesInternationalEliminationsTotal
Three months ended June 30, 2022
Oil and gas
Oil$4,894 $1,146 $— $6,040 
NGL783 113 — 896 
Gas675 79 — 754 
Other5 1 — 6 
Segment total$6,357 $1,339 $— $7,696 
Chemical$1,810 $98 $— $1,908 
Midstream and marketing$903 $247 $— $1,150 
Eliminations$— $— $(403)$(403)
Consolidated$9,070 $1,684 $(403)$10,351 
millionsUnited StatesInternationalEliminationsTotal
Six months ended June 30, 2023
Oil and gas
Oil$7,096 $1,513 $— $8,609 
NGL812 175 — 987 
Gas516 159 — 675 
Other(6)1 — (5)
Segment total$8,418 $1,848 $— $10,266 
Chemical$2,600 $176 $— $2,776 
Midstream and marketing$961 $199 $— $1,160 
Eliminations$— $— $(486)$(486)
Consolidated$11,979 $2,223 $(486)$13,716 
        
millionsUnited StatesInternationalEliminationsTotal
Six months ended June 30, 2022
Oil and gas
Oil$8,942 $1,897 $— $10,839 
NGL1,481 175 — 1,656 
Gas1,130 137 — 1,267 
Other7 2 — 9 
Segment total$11,560 $2,211 $— $13,771 
Chemical$3,412 $179 $— $3,591 
Midstream and marketing$1,551 $346 $— $1,897 
Eliminations$— $— $(695)$(695)
Consolidated$16,523 $2,736 $(695)$18,564