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Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions | 9 Months Ended
--- | ---
Apr. 26, 2025 | Apr. 27, 2024
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |
Beginning balance | $ 45,457 | $ 44,353
Other comprehensive income (loss) before reclassifications | 309 | (27)
(Gains) losses reclassified out of AOCI | 36 | 19
Tax benefit (expense) | (48) | (47)
Ending balance | 45,935 | 45,768
Accumulated Other Comprehensive Income (Loss) |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |
Beginning balance | (1,430) | (1,575)
Ending balance | (1,133) | (1,630)
Net Unrealized Gains (Losses) on Available-for-Sale Investments |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |
Beginning balance | (241) | (440)
Other comprehensive income (loss) before reclassifications | 126 | 74
(Gains) losses reclassified out of AOCI | 75 | 57
Tax benefit (expense) | (58) | (26)
Ending balance | (98) | (335)
Net Unrealized Gains (Losses) Cash Flow Hedging Instruments |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |
Beginning balance | 79 | 18
Other comprehensive income (loss) before reclassifications | (5) | 122
(Gains) losses reclassified out of AOCI | (39) | (36)
Tax benefit (expense) | 10 | (20)
Ending balance | 45 | 84
Cumulative Translation Adjustment and Actuarial Gains (Losses) |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |
Beginning balance | (1,268) | (1,153)
Other comprehensive income (loss) before reclassifications | 188 | (223)
(Gains) losses reclassified out of AOCI | 0 | (2)
Tax benefit (expense) | 0 | (1)
Ending balance | $ (1,080) | $ (1,379)

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