XML 105 R88.htm IDEA: XBRL DOCUMENT v3.23.2
Investments - Summary of Available-for-Sale Investments (Details) - USD ($)
$ in Millions
Jul. 29, 2023
Jul. 30, 2022
Schedule of Investments [Line Items]    
Amortized Cost $ 16,199 $ 12,467
Gross Unrealized Gains 18 2
Gross Unrealized and Credit Losses (625) (522)
Fair Value 15,592 11,947
U.S. government securities    
Schedule of Investments [Line Items]    
Amortized Cost 3,587 1,287
Gross Unrealized Gains 1 0
Gross Unrealized and Credit Losses (62) (49)
Fair Value 3,526 1,238
U.S. government agency securities    
Schedule of Investments [Line Items]    
Amortized Cost 428 142
Gross Unrealized Gains 0 0
Gross Unrealized and Credit Losses (5) (4)
Fair Value 423 138
Non-U.S. government and agency securities    
Schedule of Investments [Line Items]    
Amortized Cost 364 272
Gross Unrealized Gains 0 0
Gross Unrealized and Credit Losses (1) 0
Fair Value 363 272
Corporate debt securities    
Schedule of Investments [Line Items]    
Amortized Cost 7,238 8,127
Gross Unrealized Gains 3 2
Gross Unrealized and Credit Losses (327) (311)
Fair Value 6,914 7,818
U.S. agency mortgage-backed securities    
Schedule of Investments [Line Items]    
Amortized Cost 2,421 2,134
Gross Unrealized Gains 14 0
Gross Unrealized and Credit Losses (230) (158)
Fair Value 2,205 1,976
Commercial paper    
Schedule of Investments [Line Items]    
Amortized Cost 1,484 255
Gross Unrealized Gains 0 0
Gross Unrealized and Credit Losses 0 0
Fair Value 1,484 255
Certificates of deposit    
Schedule of Investments [Line Items]    
Amortized Cost 677 250
Gross Unrealized Gains 0 0
Gross Unrealized and Credit Losses 0 0
Fair Value $ 677 $ 250