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v3.20.4

Business Segments - Summary of Operating Results and Capital Expenditures by Segment (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Segment Reporting Information [Line Items] |  |  |
Net sales | $ 3,930 | $ 6,364 | $ 7,124
Operating (loss) income | (333) | 580 | 532
Interest expense, net | (130) | (102) | (102)
Investment income from marketable securities | 41 | 0 | 0
Other income, net | 7 | 13 | 15
(Loss) income before income taxes | (415) | 491 | 445
Depreciation and amortization | 278 | 287 | 274
Capital expenditures | 121 | 114 | 111
Total assets | 3,978 | 3,905 |
Operating Segments | Petroleum |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales | 3,586 | 5,968 | 6,780
Operating (loss) income | (281) | 574 | 544
Depreciation and amortization | 202 | 202 | 196
Capital expenditures | 90 | 89 | 89
Total assets | 2,991 | 3,187 |
Operating Segments | Nitrogen Fertilizer |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales | 350 | 404 | 351
Operating (loss) income | (35) | 27 | 6
Depreciation and amortization | 76 | 80 | 72
Capital expenditures | 16 | 20 | 19
Total assets | 1,033 | 1,138 |
Other |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales | (6) | (8) | (7)
Operating (loss) income | (17) | (21) | (18)
Depreciation and amortization | 0 | 5 | 6
Capital expenditures | 15 | 5 | $ 3
Total assets | $ (46) | $ (420) |

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