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Supplementary Information (Cash and Cash Equivalents) (Details) - USD ($) $ in Millions | Oct. 02, 2020 | Apr. 03, 2020
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Supplementary Information [Abstract] |  |
Cash | $ 594 | $ 483
Cash equivalents | 415 | 1,694
Total cash and cash equivalents | $ 1,009 | $ 2,177

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