Concentration of Risk and Segment Data - Schedule of Revenues Disaggregated by Segment (Details) - USD ($) $ in Millions	3 Months Ended
	Nov. 30, 2025	Nov. 30, 2024
Disaggregation of Revenue [Line Items]
Net revenue	$ 8,305	$ 6,994
Segment income	283	197
Operating Segments
Disaggregation of Revenue [Line Items]
Net revenue	8,305	6,994
Segment expenses	7,851	6,647
Segment income	$ 454	$ 347
Segment income margin	5.50%	5.00%
Point in time | Operating Segments
Disaggregation of Revenue [Line Items]
Net revenue	$ 2,974	$ 1,696
Over time | Operating Segments
Disaggregation of Revenue [Line Items]
Net revenue	5,331	5,298
Regulated Industries | Operating Segments
Disaggregation of Revenue [Line Items]
Net revenue	3,073	2,957
Segment expenses	2,896	2,819
Segment income	$ 177	$ 138
Segment income margin	5.80%	4.70%
Regulated Industries | Point in time | Operating Segments
Disaggregation of Revenue [Line Items]
Net revenue	$ 124	$ 135
Regulated Industries | Over time | Operating Segments
Disaggregation of Revenue [Line Items]
Net revenue	2,949	2,822
Intelligent Infrastructure | Operating Segments
Disaggregation of Revenue [Line Items]
Net revenue	3,853	2,496
Segment expenses	3,651	2,376
Segment income	$ 202	$ 120
Segment income margin	5.20%	4.80%
Intelligent Infrastructure | Point in time | Operating Segments
Disaggregation of Revenue [Line Items]
Net revenue	$ 2,325	$ 1,106
Intelligent Infrastructure | Over time | Operating Segments
Disaggregation of Revenue [Line Items]
Net revenue	1,528	1,390
Connected Living and Digital Commerce | Operating Segments
Disaggregation of Revenue [Line Items]
Net revenue	1,379	1,541
Segment expenses	1,304	1,452
Segment income	$ 75	$ 89
Segment income margin	5.50%	5.80%
Connected Living and Digital Commerce | Point in time | Operating Segments
Disaggregation of Revenue [Line Items]
Net revenue	$ 525	$ 455
Connected Living and Digital Commerce | Over time | Operating Segments
Disaggregation of Revenue [Line Items]
Net revenue	$ 854	$ 1,086