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Segment Reporting - Segment Information (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Aug. 31, 2024 | Aug. 31, 2023 | Aug. 31, 2022
Segment Reporting Information [Line Items] |  |  |
Revenue From Contract With Customer, Including Intersegment Revenue, Excluding Assessed Tax | $ 39,261,229 | $ 45,590,004 | $ 47,791,666
Intersegment Revenue | 0 | 0 | 0
RevenueFromContractWithCustomerNetofIntersegmentRevenueExcludingAssessedTax | 39,261,229 | 45,590,004 | 47,791,666
Operating earnings (loss) | 584,358 | 1,343,500 | 1,129,086
Interest expense | 104,064 | 137,442 | 114,156
Other income | (137,630) | (112,131) | (23,760)
Equity income from investments | (479,863) | (689,590) | (771,327)
Income before income taxes | 1,097,787 | 2,007,779 | 1,810,017
Segment, Expenditure, Addition to Long-Lived Assets | 808,763 | 564,522 | 354,444
Depreciation and amortization, including amortization of deferred major maintenance | 481,724 | 464,615 | 461,972
Total assets | 18,715,075 | 18,957,418 |
Nitrogen Production |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue From Contract With Customer, Including Intersegment Revenue, Excluding Assessed Tax | 0 | 0 | 0
Intersegment Revenue | 0 | 0 | 0
RevenueFromContractWithCustomerNetofIntersegmentRevenueExcludingAssessedTax | 0 | 0 | 0
Operating earnings (loss) | (71,530) | (73,828) | (55,600)
Interest expense | 61,942 | 60,090 | 48,110
Other income | (9,176) | 0 | 11,487
Equity income from investments | (275,531) | (394,678) | (593,182)
Income before income taxes | 151,235 | 260,760 | 477,985
Segment, Expenditure, Addition to Long-Lived Assets | 0 | 0 | 0
Depreciation and amortization, including amortization of deferred major maintenance | 0 | 0 | 0
Total assets | 2,544,530 | 2,577,391 |
Ag |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue From Contract With Customer, Including Intersegment Revenue, Excluding Assessed Tax | 30,432,758 | 35,456,969 | 37,489,203
Intersegment Revenue | (15,899) | (31,765) | (28,992)
RevenueFromContractWithCustomerNetofIntersegmentRevenueExcludingAssessedTax | 30,416,859 | 35,425,204 | 37,460,211
Operating earnings (loss) | 241,327 | 346,137 | 588,070
Interest expense | 61,982 | 71,115 | 59,118
Other income | (98,142) | (88,061) | (46,277)
Equity income from investments | (65,190) | (48,725) | (82,357)
Income before income taxes | 342,677 | 411,808 | 657,586
Segment, Expenditure, Addition to Long-Lived Assets | 426,291 | 308,690 | 203,851
Depreciation and amortization, including amortization of deferred major maintenance | 178,400 | 166,982 | 173,488
Total assets | 7,279,846 | 7,095,283 |
Energy |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue From Contract With Customer, Including Intersegment Revenue, Excluding Assessed Tax | 9,339,079 | 10,761,503 | 10,964,304
Intersegment Revenue | (572,584) | (664,590) | (669,530)
RevenueFromContractWithCustomerNetofIntersegmentRevenueExcludingAssessedTax | 8,766,495 | 10,096,913 | 10,294,774
Operating earnings (loss) | 403,854 | 1,071,492 | 633,832
Interest expense | (16,773) | 7,672 | 6,768
Other income | (11,283) | (19,456) | (3,474)
Equity income from investments | 2,857 | 7,833 | 13,987
Income before income taxes | 429,053 | 1,075,443 | 616,551
Segment, Expenditure, Addition to Long-Lived Assets | 204,151 | 204,003 | 116,136
Depreciation and amortization, including amortization of deferred major maintenance | 255,795 | 254,115 | 250,972
Total assets | 4,262,974 | 4,313,240 |
Corporate and Other |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue From Contract With Customer, Including Intersegment Revenue, Excluding Assessed Tax | 94,113 | 82,107 | 45,278
Intersegment Revenue | (16,238) | (14,220) | (8,597)
RevenueFromContractWithCustomerNetofIntersegmentRevenueExcludingAssessedTax | 77,875 | 67,887 | 36,681
Operating earnings (loss) | 10,707 | (301) | (37,216)
Interest expense | 22,027 | 31,487 | 5,105
Other income | (44,143) | (37,536) | 9,559
Equity income from investments | (141,999) | (254,020) | (109,775)
Income before income taxes | 174,822 | 259,768 | 57,895
Segment, Expenditure, Addition to Long-Lived Assets | 178,321 | 51,829 | 34,457
Depreciation and amortization, including amortization of deferred major maintenance | 47,529 | 43,518 | 37,512
Total assets | 4,627,725 | 4,971,504 |
Other Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue From Contract With Customer, Including Intersegment Revenue, Excluding Assessed Tax | (604,721) | (710,575) | (707,119)
Intersegment Revenue | 604,721 | 710,575 | 707,119
RevenueFromContractWithCustomerNetofIntersegmentRevenueExcludingAssessedTax | 0 | 0 | 0
Operating earnings (loss) | 0 | 0 | 0
Interest expense | (25,114) | (32,922) | (4,945)
Other income | 25,114 | 32,922 | 4,945
Equity income from investments | 0 | 0 | 0
Income before income taxes | 0 | 0 | 0
Segment, Expenditure, Addition to Long-Lived Assets | 0 | 0 | 0
Depreciation and amortization, including amortization of deferred major maintenance | 0 | 0 | $ 0
Total assets | $ 0 | $ 0 |

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