Consolidated Balance Sheets Detail - Intangible Assets (Details) - USD ($) $ in Millions	12 Months Ended
Feb. 28, 2021	Feb. 29, 2020	Feb. 28, 2019
Finite-Lived Intangible Assets [Line Items]
Cost	$ 2,015	$ 2,002
Accumulated Amortization	1,244	1,087
Net Book Value	771	915
Amortization expenses related to intangible assets	177	188	$ 129
Intangible assets acquired during the period	36	32
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
2022	153
2023	117
2024	109
2025	101
2026	95
Acquired technology
Finite-Lived Intangible Assets [Line Items]
Cost	1,023	1,019
Accumulated Amortization	712	636
Net Book Value	311	383
Intellectual property
Finite-Lived Intangible Assets [Line Items]
Cost	498	489
Accumulated Amortization	299	275
Net Book Value	199	214
Other acquired intangibles
Finite-Lived Intangible Assets [Line Items]
Cost	494	494
Accumulated Amortization	233	176
Net Book Value	$ 261	$ 318

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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