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Cash, Cash Equivalents and Investments - Components of Cash, Cash Equivalents and Investments (Details) - USD ($) $ in Millions | 9 Months Ended | 12 Months Ended
--- | --- | ---
Nov. 30, 2021 | Feb. 28, 2021
Cash, Cash Equivalents and Investments [Line Items] |  |
Cost Basis | $ 776 | $ 811
Unrealized Gains | 5 |
Unrealized Losses | (9) | (7)
Fair Value | 772 | 804
Cash and Cash Equivalents | 271 | 214
Short-term Investments | 442 | 525
Long-term investments (note 3) | 30 | 37
Restricted Cash Equivalents | 29 | 4
Restricted Short-term Investments |  | 24
Bank balances |  |
Cash, Cash Equivalents and Investments [Line Items] |  |
Cost Basis | 109 | 165
Unrealized Gains | 0 |
Unrealized Losses | 0 | 0
Fair Value | 109 | 165
Cash and Cash Equivalents | 108 | 165
Short-term Investments | 0 | 0
Long-term investments (note 3) | 0 | 0
Restricted Cash Equivalents | 1 | 0
Restricted Short-term Investments |  | 0
Other investments |  |
Cash, Cash Equivalents and Investments [Line Items] |  |
Cost Basis | 8 | 37
Unrealized Gains | 0 |
Unrealized Losses | 0 | 0
Fair Value | 8 | 37
Cash and Cash Equivalents | 0 | 0
Short-term Investments | 0 | 0
Long-term investments (note 3) | 8 | 37
Restricted Cash Equivalents | 0 | 0
Restricted Short-term Investments |  | 0
Bank Balances and Other Investments [Domain] |  |
Cash, Cash Equivalents and Investments [Line Items] |  |
Cost Basis | 117 | 202
Unrealized Gains | 0 |
Unrealized Losses | 0 | 0
Fair Value | 117 | 202
Cash and Cash Equivalents | 108 | 165
Short-term Investments | 0 | 0
Long-term investments (note 3) | 8 | 37
Restricted Cash Equivalents | 1 | 0
Restricted Short-term Investments |  | 0
Level 1: | Equity securities |  |
Cash, Cash Equivalents and Investments [Line Items] |  |
Cost Basis | 10 | 10
Unrealized Gains | 0 |
Unrealized Losses | (9) | (7)
Fair Value | 1 | 3
Cash and Cash Equivalents | 0 | 0
Short-term Investments | 1 | 3
Long-term investments (note 3) | 0 | 0
Restricted Cash Equivalents | 0 | 0
Restricted Short-term Investments |  | 0
Level 2: |  |
Cash, Cash Equivalents and Investments [Line Items] |  |
Cost Basis | 632 | 599
Unrealized Gains | 0 |
Unrealized Losses | 0 | 0
Fair Value | 632 | 599
Cash and Cash Equivalents | 163 | 49
Short-term Investments | 441 | 522
Long-term investments (note 3) | 0 | 0
Restricted Cash Equivalents | 28 | 4
Restricted Short-term Investments |  | 24
Level 2: | Term deposits, certificates of deposits, and GICs |  |
Cash, Cash Equivalents and Investments [Line Items] |  |
Cost Basis | 140 | 138
Unrealized Gains | 0 |
Unrealized Losses | 0 | 0
Fair Value | 140 | 138
Cash and Cash Equivalents | 53 | 7
Short-term Investments | 59 | 103
Long-term investments (note 3) | 0 | 0
Restricted Cash Equivalents | 28 | 4
Restricted Short-term Investments |  | 24
Level 2: | Bankers’ acceptances/bearer deposit notes |  |
Cash, Cash Equivalents and Investments [Line Items] |  |
Cost Basis | 20 | 40
Unrealized Gains | 0 |
Unrealized Losses | 0 | 0
Fair Value | 20 | 40
Cash and Cash Equivalents | 12 | 0
Short-term Investments | 8 | 40
Long-term investments (note 3) | 0 | 0
Restricted Cash Equivalents | 0 | 0
Restricted Short-term Investments |  | 0
Level 2: | Commercial paper |  |
Cash, Cash Equivalents and Investments [Line Items] |  |
Cost Basis | 192 | 162
Unrealized Gains | 0 |
Unrealized Losses | 0 | 0
Fair Value | 192 | 162
Cash and Cash Equivalents | 40 | 15
Short-term Investments | 152 | 147
Long-term investments (note 3) | 0 | 0
Restricted Cash Equivalents | 0 | 0
Restricted Short-term Investments |  | 0
Level 2: | Non-U.S. promissory notes |  |
Cash, Cash Equivalents and Investments [Line Items] |  |
Cost Basis | 127 | 55
Unrealized Gains | 0 |
Unrealized Losses | 0 | 0
Fair Value | 127 | 55
Cash and Cash Equivalents | 46 | 26
Short-term Investments | 81 | 29
Long-term investments (note 3) | 0 | 0
Restricted Cash Equivalents | 0 | 0
Restricted Short-term Investments |  | 0
Level 2: | Non-U.S. government sponsored enterprise notes |  |
Cash, Cash Equivalents and Investments [Line Items] |  |
Cost Basis | 129 | 154
Unrealized Gains | 0 |
Unrealized Losses | 0 | 0
Fair Value | 129 | 154
Cash and Cash Equivalents | 0 | 1
Short-term Investments | 129 | 153
Long-term investments (note 3) | 0 | 0
Restricted Cash Equivalents | 0 | 0
Restricted Short-term Investments |  | 0
Level 2: | Non-U.S. treasury bills/notes |  |
Cash, Cash Equivalents and Investments [Line Items] |  |
Cost Basis | 24 | 25
Unrealized Gains | 0 |
Unrealized Losses | 0 | 0
Fair Value | 24 | 25
Cash and Cash Equivalents | 12 | 0
Short-term Investments | 12 | 25
Long-term investments (note 3) | 0 | 0
Restricted Cash Equivalents | 0 | 0
Restricted Short-term Investments |  | 0
Level 2: | Corporate notes/bonds |  |
Cash, Cash Equivalents and Investments [Line Items] |  |
Cost Basis |  | 25
Unrealized Losses |  | 0
Fair Value |  | 25
Cash and Cash Equivalents |  | 0
Short-term Investments |  | 25
Long-term investments (note 3) |  | 0
Restricted Cash Equivalents |  | 0
Restricted Short-term Investments |  | $ 0
Level 3: | Other investments |  |
Cash, Cash Equivalents and Investments [Line Items] |  |
Cost Basis | 17 |
Unrealized Gains | 5 |
Unrealized Losses | 0 |
Fair Value | 22 |
Cash and Cash Equivalents | 0 |
Short-term Investments | 0 |
Long-term investments (note 3) | 22 |
Restricted Cash Equivalents | $ 0 |

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