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Segment Disclosures (Tables) | 3 Months Ended
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Sep. 30, 2021
Segment Reporting [Abstract] |
Summary of segment data for sales, cost of sales and gross margin | Segment data for sales, cost of sales and gross margin for the three and nine months ended September 30, 2021 and 2020 are presented in the tables below.
| Ammonia(1) |  | Granular Urea(2) |  | UAN(2) |  | AN(2) |  | Other(2) |  | Consolidated
| (in millions)
Three months ended September 30, 2021 |  |  |  |  |  |  |  |  |  |  |
Net sales | $ | 344 |  |  | $ | 386 |  |  | $ | 390 |  |  | $ | 118 |  |  | $ | 124 |  |  | $ | 1,362 |
Cost of sales | 262 |  |  | 200 |  |  | 233 |  |  | 122 |  |  | 105 |  |  | 922 |
Gross margin | $ | 82 |  |  | $ | 186 |  |  | $ | 157 |  |  | $ | (4) |  |  | $ | 19 |  |  | 440 |
Total other operating costs and expenses(3) |  |  |  |  |  |  |  |  |  |  | 552 |
Equity in earnings of operating affiliate |  |  |  |  |  |  |  |  |  |  | 15 |
Operating loss |  |  |  |  |  |  |  |  |  |  | $ | (97) |
Three months ended September 30, 2020 |  |  |  |  |  |  |  |  |  |  |
Net sales | $ | 165 |  |  | $ | 249 |  |  | $ | 248 |  |  | $ | 109 |  |  | $ | 76 |  |  | $ | 847 |
Cost of sales | 174 |  |  | 183 |  |  | 237 |  |  | 96 |  |  | 74 |  |  | 764 |
Gross margin | $ | (9) |  |  | $ | 66 |  |  | $ | 11 |  |  | $ | 13 |  |  | $ | 2 |  |  | 83 |
Total other operating costs and expenses |  |  |  |  |  |  |  |  |  |  | 45 |
Equity in earnings of operating affiliate |  |  |  |  |  |  |  |  |  |  | 2 |
Operating earnings |  |  |  |  |  |  |  |  |  |  | $ | 40 |
Nine months ended September 30, 2021 |  |  |  |  |  |  |  |  |  |  |
Net sales | $ | 1,009 |  |  | $ | 1,218 |  |  | $ | 1,056 |  |  | $ | 359 |  |  | $ | 356 |  |  | $ | 3,998 |
Cost of sales | 675 |  |  | 705 |  |  | 759 |  |  | 337 |  |  | 290 |  |  | 2,766 |
Gross margin | $ | 334 |  |  | $ | 513 |  |  | $ | 297 |  |  | $ | 22 |  |  | $ | 66 |  |  | 1,232 |
Total other operating costs and expenses(3) |  |  |  |  |  |  |  |  |  |  | 669 |
Equity in earnings of operating affiliate |  |  |  |  |  |  |  |  |  |  | 37 |
Operating earnings |  |  |  |  |  |  |  |  |  |  | $ | 600 |
Nine months ended September 30, 2020 |  |  |  |  |  |  |  |  |  |  |
Net sales | $ | 722 |  |  | $ | 915 |  |  | $ | 791 |  |  | $ | 343 |  |  | $ | 251 |  |  | $ | 3,022 |
Cost of sales | 609 |  |  | 612 |  |  | 675 |  |  | 290 |  |  | 215 |  |  | 2,401 |
Gross margin | $ | 113 |  |  | $ | 303 |  |  | $ | 116 |  |  | $ | 53 |  |  | $ | 36 |  |  | 621 |
Total other operating costs and expenses |  |  |  |  |  |  |  |  |  |  | 162 |
Equity in earnings of operating affiliate |  |  |  |  |  |  |  |  |  |  | 8 |
Operating earnings |  |  |  |  |  |  |  |  |  |  | $ | 467 |
_______________________________________________________________________________ (1)Cost of sales and gross margin for the ammonia segment in the nine months ended September 30, 2021, include a $112 million gain on the net settlement of certain natural gas contracts with our suppliers. See Note 13—Derivative Financial Instruments for additional information. (2)The cost of the products that are upgraded into other products is transferred at cost into the upgraded product results. (3)Total other operating costs and expenses in the three and nine months ended September 30, 2021 includes goodwill, long-lived and intangible asset impairment charges of $495 million.

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