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v3.23.3

Investments (Tables) | 3 Months Ended
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Oct. 28, 2023
Investments, Debt and Equity Securities [Abstract] |
Summary of Available-for-Sale Debt Investments | The following tables summarize our available-for-sale debt investments (in millions):
October 28, 2023 | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized and Credit Losses |  | Fair Value
U.S. government securities | $ | 2,596 |  |  | $ | — |  |  | $ | (72) |  |  | $ | 2,524 |
U.S. government agency securities | 421 |  |  | — |  |  | (6) |  |  | 415 |
Non-U.S. government and agency securities | 351 |  |  | — |  |  | — |  |  | 351 |
Corporate debt securities | 6,862 |  |  | 1 |  |  | (363) |  |  | 6,500 |
U.S. agency mortgage-backed securities | 2,431 |  |  | — |  |  | (318) |  |  | 2,113 |
Commercial paper | 943 |  |  | — |  |  | — |  |  | 943 |
Certificates of deposit | 666 |  |  | — |  |  | — |  |  | 666 |
Total | $ | 14,270 |  |  | $ | 1 |  |  | $ | (759) |  |  | $ | 13,512 |
July 29, 2023 | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized and Credit Losses |  | Fair Value
U.S. government securities | $ | 3,587 |  |  | $ | 1 |  |  | $ | (62) |  |  | $ | 3,526 |
U.S. government agency securities | 428 |  |  | — |  |  | (5) |  |  | 423 |
Non-U.S. government and agency securities | 364 |  |  | — |  |  | (1) |  |  | 363 |
Corporate debt securities | 7,238 |  |  | 3 |  |  | (327) |  |  | 6,914 |
U.S. agency mortgage-backed securities | 2,421 |  |  | 14 |  |  | (230) |  |  | 2,205 |
Commercial paper | 1,484 |  |  | — |  |  | — |  |  | 1,484 |
Certificates of deposit | 677 |  |  | — |  |  | — |  |  | 677 |
Total | $ | 16,199 |  |  | $ | 18 |  |  | $ | (625) |  |  | $ | 15,592 |
Gross Realized Gains and Gross Realized Losses Related to Available-for-Sale Investment | The following table presents the gross realized gains and gross realized losses related to available-for-sale debt investments (in millions):
| Three Months Ended
| October 28, 2023 |  | October 29, 2022
Gross realized gains | $ | — |  |  | $ | — |
Gross realized losses | (20) |  |  | (6) |
Total | $ | (20) |  |  | $ | (6) |
Available-for-Sale Investments with Gross Unrealized Losses | The following tables present the breakdown of the available-for-sale debt investments with gross unrealized losses and the duration that those losses had been unrealized at October 28, 2023 and July 29, 2023 (in millions):
| UNREALIZED LOSSES LESS THAN 12 MONTHS |  | UNREALIZED LOSSES 12 MONTHS OR GREATER |  | TOTAL
October 28, 2023 | Fair Value |  | Gross Unrealized Losses |  | Fair Value |  | Gross Unrealized Losses |  | Fair Value |  | Gross Unrealized Losses
U.S. government securities | $ | 1,844 |  |  | $ | (38) |  |  | $ | 680 |  |  | $ | (34) |  |  | $ | 2,524 |  |  | $ | (72) |
U.S. government agency securities | 377 |  |  | (3) |  |  | 38 |  |  | (3) |  |  | 415 |  |  | (6) |
Non-U.S. government and agency securities | 324 |  |  | — |  |  | — |  |  | — |  |  | 324 |  |  | — |
Corporate debt securities | 1,679 |  |  | (29) |  |  | 4,275 |  |  | (304) |  |  | 5,954 |  |  | (333) |
U.S. agency mortgage-backed securities | 798 |  |  | (45) |  |  | 1,315 |  |  | (273) |  |  | 2,113 |  |  | (318) |
Commercial paper | 10 |  |  | — |  |  | — |  |  | — |  |  | 10 |  |  | — |
Certificates of deposit | 10 |  |  | — |  |  | — |  |  | — |  |  | 10 |  |  | — |
Total | $ | 5,042 |  |  | $ | (115) |  |  | $ | 6,308 |  |  | $ | (614) |  |  | $ | 11,350 |  |  | $ | (729) |
| UNREALIZED LOSSES LESS THAN 12 MONTHS |  | UNREALIZED LOSSES 12 MONTHS OR GREATER |  | TOTAL
July 29, 2023 | Fair Value |  | Gross Unrealized Losses |  | Fair Value |  | Gross Unrealized Losses |  | Fair Value |  | Gross Unrealized Losses
U.S. government securities | $ | 2,394 |  |  | $ | (26) |  |  | $ | 931 |  |  | $ | (36) |  |  | $ | 3,325 |  |  | $ | (62) |
U.S. government agency securities | 343 |  |  | (2) |  |  | 72 |  |  | (3) |  |  | 415 |  |  | (5) |
Non-U.S. government and agency securities | 363 |  |  | (1) |  |  | — |  |  | — |  |  | 363 |  |  | (1) |
Corporate debt securities | 1,736 |  |  | (22) |  |  | 4,315 |  |  | (275) |  |  | 6,051 |  |  | (297) |
U.S. agency mortgage-backed securities | 658 |  |  | (13) |  |  | 1,438 |  |  | (217) |  |  | 2,096 |  |  | (230) |
Commercial paper | 97 |  |  | — |  |  | — |  |  | — |  |  | 97 |  |  | — |
Certificates of deposit | 2 |  |  | — |  |  | — |  |  | — |  |  | 2 |  |  | — |
Total | $ | 5,593 |  |  | $ | (64) |  |  | $ | 6,756 |  |  | $ | (531) |  |  | $ | 12,349 |  |  | $ | (595) |
Maturities of Available-for-Sale Debt Investments | The following table summarizes the maturities of our available-for-sale debt investments as of October 28, 2023 (in millions):
| Amortized Cost |  | Fair Value
Within 1 year | $ | 4,201 |  |  | $ | 4,152 |
After 1 year through 5 years | 7,627 |  |  | 7,236 |
After 5 years through 10 years | 9 |  |  | 9 |
After 10 years | 2 |  |  | 2 |
Mortgage-backed securities with no single maturity | 2,431 |  |  | 2,113 |
Total | $ | 14,270 |  |  | $ | 13,512 |

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