Income Taxes - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
Feb. 28, 2026	Feb. 28, 2025	Feb. 29, 2024	Feb. 28, 2023
Income Tax Disclosure [Abstract]
Unrecognized tax benefit liabilities	$ 310.6	$ 438.4
Unrecognized tax benefit liabilities that would impact effective tax rate if recognized	254.1	318.9	$ 416.1	$ 344.3
Unrecognized tax benefits that would decrease the effective tax rate	200.4	183.4
Income taxes, net of refunds received	173.6	$ 197.1	$ 333.5
Operating loss carryforwards	3,800.0
Operating loss carryforwards subject to expire by fiscal 2033	2,200.0
Operating loss carryforwards subject to expire between fiscal 2034 and fiscal 2050	800.0
Operating loss carryforwards not subject to expiration	750.0
Capital loss carryforwards	1,400.0
Interest limitation carryforwards, carried forward indefinitely	$ 1,800.0

Deferred Tax Assets, Interest Limitation Carryforwards, Not Subject To Expiration

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- Definition

Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration, Thereafter

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Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration, Within 6 Years

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- Definition

Unrecognized Tax Benefit Liabilities, Including Interest and Penalties

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Unrecognized tax benefits that would decrease the effective tax rate

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible capital loss carryforwards.

+ References

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-Name Accounting Standards Codification
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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are not subject to expiration dates.

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Amount, after refund, of cash paid to foreign, federal, state, and local jurisdictions as income tax.

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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