Capital Stock - Restricted Share Unit Activity (Details) - Restricted Share Units (RSUs) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Feb. 29, 2024	Feb. 28, 2023	Feb. 28, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee Service Share Based Compensation Tax Deficiencies Realized From Exercise Of Stock Options	$ 0	$ 0	$ 0
Number of awards granted	8,097,408	11,882,500
Allocated Share-based Compensation Expense	$ 33	$ 34	$ 35
Number (000’s)
Beginning balance	19,640,000
Grants during the period, Number	8,097,000
Vested during the period, Number	(5,636,000)
Cancelled during the period, Number	(5,800,000)
Ending balance	16,301,000	19,640,000
Expected to Vest, Outstanding Number	13,491,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments other than Options, Weighted Average Grant Date Fair Value [Roll Forward]
Beginning balance, Weighted-Average Grant Date Fair Value	$ 5.92
Granted during the period, Weighted Average Grant Date Fair Value	3.51	$ 4.29	$ 9.72
Vested during the period, Weighted-Average Grant Date Fair Value	6.76
Cancelled during the period, Weighted-Average Grant Date Fair Value	6.31
Ending balance, Weighted-Average Grant Date Fair Value	4.30	$ 5.92
Expected to Vest, Weighted Average Grant Date Fair Value	$ 4.29
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]
Average Remaining Contractual Life in Years	1 year 8 months 4 days
Aggregate Intrinsic Value	$ 45
Vested and Expected to Vest, Average Remaining Contractual Life in Years	1 year 7 months 28 days
Vested and Expected to Vest, Intrinsic Value	$ 38
Unrecognized compensation expense	$ 53
Weighted-average vesting period related to unrecognized share-based compensation on unvested awards	1 year 7 months 17 days
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value	$ 38	$ 40	$ 69