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Equity - NCI and Consolidated VIE Disclosures (Details) - USD ($) $ in Millions |  | 3 Months Ended | 6 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | ---
Oct. 31, 2019 | May 30, 2019 | May 31, 2018 | Apr. 30, 2020 | Oct. 31, 2019 | May 30, 2019 | May 31, 2018 | Aug. 30, 2018
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest Balance |  |  | $ 867 |  |  |  |  | $ 867 |  |  | $ 870
IMFT sales to Intel at prices approximating cost |  |  | 4,788 |  | $ 7,797 |  |  | 18,536 |  | $ 21,951 |
Joint Venture Agreement, Terms [Abstract] |  |  |  |  |  |  |  |  |  |  |
Current debt |  |  | 1,346 |  |  |  |  | 1,346 |  |  | 859
IM Flash Technologies, LLC |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest Balance |  |  | $ 867 |  |  |  |  | $ 867 |  |  | $ 853
Noncontrolling Interest Percentage (in hundredths) |  |  | 49.00% |  |  |  |  | 49.00% |  |  | 49.00%
Ownership interest in IMFT (in hundredths) |  |  | 51.00% |  |  |  |  | 51.00% |  |  |
Joint Venture Agreement, Terms [Abstract] |  |  |  |  |  |  |  |  |  |  |
Joint Venture Agreement, Terms, Partner Contribution Output Sharing Lag |  |  |  |  |  |  |  | 8 months |  |  |
Other Consolidated Entities |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest Balance |  |  | $ 0 |  |  |  |  | $ 0 |  |  | $ 17
IM Flash Technologies, LLC |  |  |  |  |  |  |  |  |  |  |
Joint Venture Agreement, Terms [Abstract] |  |  |  |  |  |  |  |  |  |  |
Current debt | [1] |  | 865 |  |  |  |  | 865 |  |  | 20
IM Flash Technologies, LLC | Intel |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |  |  |  |  |  |
IMFT sales to Intel at prices approximating cost |  |  | 184 |  | $ 114 |  |  | 531 |  | $ 341 |
Forecast | IM Flash Technologies, LLC |  |  |  |  |  |  |  |  |  |  |
Joint Venture Agreement, Terms [Abstract] |  |  |  |  |  |  |  |  |  |  |
Approximate amount expected to be paid to Intel to acquire its interest in IMFT |  | $ 1,400 |  |  |  |  |  |  |  |  |
Joint Venture Agreement, Terms, Intel Percentage of Lookback Supply from IMFT |  |  |  |  |  | 50.00% |  |  |  |  |
Joint Venture Agreement, Terms, Intel Supply Lookback Period |  |  |  |  |  |  | 6 months |  |  |  |
IMFT Member Debt | Convertible Debt |  |  |  |  |  |  |  |  |  |  |
Joint Venture Agreement, Terms [Abstract] |  |  |  |  |  |  |  |  |  |  |
Current debt |  |  | $ 858 | [2] |  |  |  | $ 858 | [2] |  | $ 0
[1] | Amounts exclude intercompany balances that were eliminated in our consolidated balance sheets.
[2] | IMFT Member Debt was classified as current as of May 30, 2019 as a result of exercising our option to acquire Intel's interest in IMFT.

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