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Segments (Tables)
3 Months Ended
Mar. 31, 2020
Segment Reporting [Abstract]  
Schedule of segment reporting information
Segment results are prepared based on our internal accounting methods described below, with reconciliations to consolidated amounts in accordance with GAAP. Our segments are not designed to measure operating income or loss directly related to the products and services included in each segment on a stand-alone basis.
(in millions)AirlineRefineryIntersegment Sales/OtherConsolidated
Three Months Ended March 31, 2020
Operating revenue:$8,592  $1,184  $8,592  
Sales to airline segment$(210) 
(1)
Exchanged products(831) 
(2)
Sales of refined products(143) 
(3)
Operating (loss) income(439) 29  —  (410) 
Interest expense (income), net80  (1) —  79  
Depreciation and amortization678  25  (25) 
(4)
678  
Total assets, end of period66,864  1,874  —  68,738  
Capital expenditures926  11  —  937  
Three Months Ended March 31, 2019
Operating revenue:$10,424  $1,283  $10,472  
Sales to airline segment$(271) 
(1)
Exchanged products(732) 
(2)
Sales of refined products(232) 
(3)
Operating income (loss)1,054  (34) —  1,020  
Interest expense (income), net92  (9) —  83  
Depreciation and amortization615  23  (23) 
(4)
615  
Total assets, end of period60,343  1,498  —  61,841  
Capital expenditures1,350  10  —  1,360  
(1)Represents transfers, valued on a market price basis, from the refinery to the airline segment for use in airline operations. We determine market price by reference to the market index for the primary delivery location, which is New York Harbor, for jet fuel from the refinery.
(2)Represents value of products delivered under our exchange agreements, as discussed above, determined on a market price basis.
(3)These sales were at or near cost; accordingly, the margin on these sales is de minimis.
(4)Refinery segment operating results, including depreciation and amortization, are included within aircraft fuel and related taxes in our income statement.