Concentration of Risk and Segment Data - Schedule of Revenues Disaggregated by Segment (Details) - USD ($) $ in Millions	12 Months Ended
	Aug. 31, 2026	Aug. 31, 2025	Aug. 31, 2024
Disaggregation of Revenue [Line Items]
Net revenue	$ 35,954	$ 29,802	$ 28,883
Segment income	1,704	1,182	2,013
Operating Segments
Disaggregation of Revenue [Line Items]
Net revenue	35,954	29,802	28,883
Segment expenses	33,885	28,182	27,295
Segment income	$ 2,069	$ 1,620	$ 1,588
Segment income margin	5.80%	5.40%	5.50%
Operating Segments | Point in time
Disaggregation of Revenue [Line Items]
Net revenue	$ 12,548	$ 8,503	$ 8,410
Operating Segments | Over time
Disaggregation of Revenue [Line Items]
Net revenue	23,406	21,299	20,473
Operating Segments | Regulated Industries
Disaggregation of Revenue [Line Items]
Net revenue	12,694	11,879	12,261
Segment expenses	11,995	11,236	11,606
Segment income	$ 699	$ 643	$ 655
Segment income margin	5.50%	5.40%	5.30%
Operating Segments | Regulated Industries | Point in time
Disaggregation of Revenue [Line Items]
Net revenue	$ 530	$ 477	$ 553
Operating Segments | Regulated Industries | Over time
Disaggregation of Revenue [Line Items]
Net revenue	12,164	11,402	11,708
Operating Segments | Intelligent Infrastructure
Disaggregation of Revenue [Line Items]
Net revenue	17,872	12,317	9,197
Segment expenses	16,803	11,653	8,728
Segment income	$ 1,069	$ 664	$ 469
Segment income margin	6.00%	5.40%	5.10%
Operating Segments | Intelligent Infrastructure | Point in time
Disaggregation of Revenue [Line Items]
Net revenue	$ 10,054	$ 6,299	$ 4,464
Operating Segments | Intelligent Infrastructure | Over time
Disaggregation of Revenue [Line Items]
Net revenue	7,818	6,018	4,733
Operating Segments | Connected Living and Digital Commerce
Disaggregation of Revenue [Line Items]
Net revenue	5,388	5,606	7,425
Segment expenses	5,087	5,293	6,961
Segment income	$ 301	$ 313	$ 464
Segment income margin	5.60%	5.60%	6.20%
Operating Segments | Connected Living and Digital Commerce | Point in time
Disaggregation of Revenue [Line Items]
Net revenue	$ 1,964	$ 1,727	$ 3,393
Operating Segments | Connected Living and Digital Commerce | Over time
Disaggregation of Revenue [Line Items]
Net revenue	$ 3,424	$ 3,879	$ 4,032