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INDUSTRY SEGMENTS AND GEOGRAPHIC AREAS
 12 Months Ended
Dec. 31, 2020
Segment Reporting [Abstract]  
INDUSTRY SEGMENTS AND GEOGRAPHIC AREAS
NOTE 18 - INDUSTRY SEGMENTS AND GEOGRAPHIC AREAS

Occidental conducts its operations through three segments: (1) oil and gas; (2) chemical; and (3) midstream and marketing. The factors used to identify these segments are based on the nature of the operations that are undertaken in each segment. Income taxes, interest income, interest expense, environmental remediation expenses, Anadarko Acquisition-related costs and unallocated corporate expenses are included under Corporate and Eliminations. Intersegment sales eliminate upon consolidation and are generally made at prices approximating those that the selling entity would be able to obtain in third-party transactions. Identifiable assets are those assets used in the operations of the segments. Corporate assets consist of cash and restricted cash, certain corporate receivables and PP&E. The chief operating decision maker analyzes each segment’s operating results to make decisions about resources to be allocated to the segment and to assess its performance as well as Occidental’s overall performance.
Oil and gas ChemicalMidstream and marketingCorporate
and
eliminations		 Total
Year ended December 31, 2020       
Net sales$13,066 $3,733 $1,768 $(758)$17,809 
Income (loss) from continuing operations before income taxes
$(9,632)
(a)
$664 $(4,175)
(b)
$(2,562)
(c)
$(15,705)
Income tax benefit— — — 2,172 
(d)
2,172 
Income (loss) from continuing operations
$(9,632)$664 $(4,175)$(390)$(13,533)
Investments in unconsolidated entities$168 $645 $2,437 $—  $3,250 
Property, plant and equipment additions (e)
$2,279 $261 $50 $29  $2,619 
Depreciation, depletion and amortization$7,414 $356 $312 $15  $8,097 
Total assets$62,931 $4,326 $9,856 $2,951  $80,064 
Year ended December 31, 2019      
Net sales$13,941 $4,102 $4,132 $(1,264)$20,911 
Income (loss) from continuing operations before income taxes
$2,520 
(a)
$799 $241 
(b)
$(3,206)
(c)
$354 
Income tax expense— — — (861)
(d)
(861)
Income (loss) from continuing operations
$2,520 $799 $241 $(4,067)$(507)
Investments in unconsolidated entities$181 $689 $5,519 $— $6,389 
Property, plant and equipment additions (e)
$5,571 $272 $475 $135 $6,453 
Depreciation, depletion and amortization$5,153 $368 $563 $56 $6,140 
Total assets$80,093 $4,361 $14,915 $7,821 $107,190 
Year ended December 31, 2018      
Net sales$10,441 $4,657 $3,656 $(930)$17,824 
Income (loss) from continuing operations before income taxes 
$2,442 
(a)
$1,159 $2,802 
(b)
$(795)

$5,608 
Income tax expense— — — (1,477)
(d)
(1,477)
Income (loss) from continuing operations
$2,442 $1,159 $2,802 $(2,272)$4,131 
Investments in unconsolidated entities$— $733 $947 $— $1,680 
Property, plant and equipment additions (e)
$4,443 $277 $221 $79 $5,020 
Depreciation, depletion and amortization$3,254 $354 $331 $38 $3,977 
Total assets$24,874 $4,359 $9,392 $3,534 $42,159 
(a)The 2020 amount included $7.1 billion related to asset impairments and net asset sale losses of $1.6 billion, partially offset by a $1.1 billion gain on the oil and gas collars and calls. The 2019 amount included a net gain on sale of $475 million related to Occidental’s joint venture with Ecopetrol in the Midland Basin and sale of real estate assets, a $285 million impairment charge associated with domestic undeveloped leases that were set to expire in the near-term, where Occidental had no plans to pursue exploration activities, and a $39 million charge related to Occidental’s mutually agreed early termination of its Qatar ISSD contract. The 2018 amount included $416 million for the impairment of proved oil properties and inventory in Qatar ISND and ISSD due to the decline in oil prices.
(b)The 2020 amount included $2.7 billion of other-than-temporary impairment of WES equity investment and $1.4 billion of impairments related to the write-off of goodwill and a $236 million loss from an equity investment related to WES' write-off of its goodwill. The 2019 amount included a $1 billion charge as a result of recording Occidental’s investment in WES at fair value as of December 31, 2019 upon the loss of control, a $114 million gain on the sale of an equity investment in Plains and a $30 million mark-to-market gain on an interest rate swap for WES. The 2018 amount included pre-tax asset sale gains of $907 million on the sale of non-core domestic midstream assets.
(c)The 2020 amount included $339 million in expenses related to Anadarko Acquisition-related costs and a $428 million loss on interest rate swaps. The 2019 amount included corporate transactions related to the Acquisition including charges of $1.0 billion related to employee severance and related costs, $401 million related to crucial seismic data and $213 million for bank, legal and consulting fees. There were no significant corporate transactions and events affecting 2018 results. The tax effect of these pre-tax adjustments was a $1.9 billion benefit in 2020, a $245 million benefit in 2019, and $198 million expense in 2018.
(d)Included all foreign and domestic income taxes from continuing operations.
(e)Included capital expenditures and capitalized interest, but excluded acquisition and disposition of assets.
GEOGRAPHIC AREAS
millionsProperty, plant and equipment, net
For the years ended December 31,202020192018
United States$59,016 $72,808 $23,594 
International
United Arab Emirates3,737 3,886 4,051 
Oman1,901 2,115 2,048 
Algeria664 1,761 — 
Colombia— 1,010 927 
Qatar510 563 741 
Other International61 87 76 
Total International6,873 9,422 7,843 
Total$65,889 $82,230 $31,437