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Fair Value Measurements (Tables)
 9 Months Ended
Jul. 26, 2020
Fair Value Disclosures [Abstract]  
Financial assets measured at fair value on a recurring basis
Financial assets (excluding cash balances) and liabilities measured at fair value on a recurring basis are summarized below:
 
 July 26, 2020October 27, 2019
 Level 1Level 2TotalLevel 1Level 2Total
 (In millions)
Assets:
Available-for-sale debt security investments
Money market funds*$3,356 $— $3,356 $1,677 $— $1,677 
U.S. Treasury and agency securities353 17 370 323 18 341 
Non-U.S. government securities— — — — 10 10 
Municipal securities— 383 383 — 406 406 
Commercial paper, corporate bonds and medium-term notes— 593 593 — 1,024 1,024 
Asset-backed and mortgage-backed securities— 530 530 — 635 635 
Total available-for-sale debt security investments$3,709 $1,523 $5,232 $2,000 $2,093 $4,093 
Equity investments with readily determinable values
Publicly traded equity securities$44 $— $44 $45 $— $45 
Total equity investments with readily determinable values$44 $— $44 $45 $— $45 
Total assets$3,753 $1,523 $5,276 $2,045 $2,093 $4,138 
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* Amount as of July 26, 2020 includes $115 million invested in money market funds related to deferred compensation plans. Due to restrictions on the distribution of these funds, they are classified as restricted cash equivalents and are included in deferred income taxes and other assets in the Consolidated Condensed Balance Sheets.