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ACCOUNTING POLICIES - DESCRIPTION OF BUSINESS (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Nov. 06, 2021 | Nov. 07, 2020 | Nov. 06, 2021 | Nov. 07, 2020 | Jan. 30, 2021
Fiscal Year |  |  |  |  |
Length of fiscal period | 84 days | 84 days | 280 days | 280 days |
FAIR VALUE MEASUREMENTS |  |  |  |  |
(Loss) gain on investments | $ (94) | $ 162 | $ (694) | $ 952 |
Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  |  |  |
FAIR VALUE MEASUREMENTS |  |  |  |  |
(Loss) gain on investments | (94) | $ 162 | (694) | 879 |
Significant Unobservable Inputs (Level 3) |  |  |  |  |
FAIR VALUE MEASUREMENTS |  |  |  |  |
(Loss) gain on investments |  |  |  | $ 73 |
Other Assets | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  |  |  |
FAIR VALUE MEASUREMENTS |  |  |  |  |
Fair value of equity securities | 1,114 |  | 1,114 |  | $ 1,808
Other Assets | Significant Unobservable Inputs (Level 3) |  |  |  |  |
FAIR VALUE MEASUREMENTS |  |  |  |  |
Fair value of equity securities | $ 212 |  | $ 212 |  | $ 156

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