Consolidated Balance Sheets Detail - Intangible Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Feb. 29, 2024	Feb. 28, 2023	Feb. 28, 2022
Finite-Lived Intangible Assets [Line Items]
Cost	$ 1,397	$ 1,409
Accumulated Amortization	1,243	1,206
Net Book Value	154	203
Amortization expenses related to intangible assets	49	93	$ 161
Intangible assets acquired during the period	14	34
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Finite-Lived Intangible Asset, Expected Amortization, Year One	42
Finite-Lived Intangible Asset, Expected Amortization, Year Two	36
Finite-Lived Intangible Asset, Expected Amortization, Year Three	31
Finite-Lived Intangible Asset, Expected Amortization, Year Four	18
Finite-Lived Intangible Asset, Expected Amortization, Year Five	6
Impairment of long-lived assets (note 3)	15	235	$ 0
Other Intangible Assets
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Impairment of long-lived assets (note 3)	8	231
Acquired technology
Finite-Lived Intangible Assets [Line Items]
Cost	900	900
Accumulated Amortization	846	824
Net Book Value	54	76
Other acquired intangibles
Finite-Lived Intangible Assets [Line Items]
Cost	386	386
Accumulated Amortization	334	318
Net Book Value	52	68
Intellectual property
Finite-Lived Intangible Assets [Line Items]
Cost	111	123
Accumulated Amortization	63	64
Net Book Value	$ 48	$ 59