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