Revenue and Segment Disclosures - Operating results by operating segments (Details) $ in Millions	12 Months Ended
	Feb. 29, 2024 USD ($) operatingSegment	Feb. 28, 2023 USD ($)	Feb. 28, 2022 USD ($)
Segment Reporting Information [Line Items]
Revenues	$ 853	$ 656	$ 718
Cost of Revenue	333	237	251
Gross Profit	$ 520	419	467
Number of Operating Segments | operatingSegment	3
Cybersecurity
Segment Reporting Information [Line Items]
Revenues	$ 378	418	477
Cost of Revenue	142	185	194
Gross Profit	236	233	283
IoT
Segment Reporting Information [Line Items]
Revenues	215	206	178
Cost of Revenue	36	37	30
Gross Profit	179	169	148
Licensing and Other
Segment Reporting Information [Line Items]
Revenues	260	32	63
Cost of Revenue	152	12	23
Segment gross margin	108	20	40
Operating Segments
Segment Reporting Information [Line Items]
Revenues	853	656	718
Cost of Revenue	330	234	247
Gross Profit	$ 523	$ 422	$ 471