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Concentration of Risk and Segment Data - Schedule of Revenues Disaggregated by Segment (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Aug. 31, 2025 | Aug. 31, 2024 | Aug. 31, 2023
Disaggregation of Revenue [Line Items] |  |  |
Net revenue | $ 29,802 | $ 28,883 | $ 34,702
Segment income | 1,182 | 2,013 | 1,537
Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net revenue | 29,802 | 28,883 | 34,702
Segment expenses | 28,182 | 27,295 | 32,969
Segment income | $ 1,620 | $ 1,588 | $ 1,733
Segment income margin | 5.40% | 5.50% | 5.00%
Point in time | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net revenue | $ 8,503 | $ 8,410 | $ 11,547
Over time | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net revenue | 21,299 | 20,473 | 23,155
Regulated Industries | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net revenue | 11,879 | 12,261 | 13,039
Segment expenses | 11,236 | 11,606 | 12,392
Segment income | $ 643 | $ 655 | $ 647
Segment income margin | 5.40% | 5.30% | 5.00%
Regulated Industries | Point in time | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net revenue | $ 477 | $ 553 | $ 419
Regulated Industries | Over time | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net revenue | 11,402 | 11,708 | 12,620
Intelligent Infrastructure | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net revenue | 12,317 | 9,197 | 11,072
Segment expenses | 11,653 | 8,728 | 10,520
Segment income | $ 664 | $ 469 | $ 552
Segment income margin | 5.40% | 5.10% | 5.00%
Intelligent Infrastructure | Point in time | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net revenue | $ 6,299 | $ 4,464 | $ 5,005
Intelligent Infrastructure | Over time | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net revenue | 6,018 | 4,733 | 6,067
Connected Living and Digital Commerce | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net revenue | 5,606 | 7,425 | 10,591
Segment expenses | 5,293 | 6,961 | 10,057
Segment income | $ 313 | $ 464 | $ 534
Segment income margin | 5.60% | 6.20% | 5.00%
Connected Living and Digital Commerce | Point in time | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net revenue | $ 1,727 | $ 3,393 | $ 6,123
Connected Living and Digital Commerce | Over time | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net revenue | $ 3,879 | $ 4,032 | $ 4,468

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