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v3.19.2

Borrowings - Schedule of Long-Term Debt (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Jul. 27, 2019 | Jul. 28, 2018
Debt Instrument [Line Items] |  |
Total | $ 20,500 | $ 25,750
Unaccreted discount/issuance costs | (100) | (116)
Hedge accounting fair value adjustments | 73 | (65)
Total | 20,473 | 25,569
Short-term debt | 5,998 | 5,238
Long-term debt | 14,475 | 20,331
Three-month LIBOR plus 0.50%, Due March 1, 2019 |  |
Debt Instrument [Line Items] |  |
Senior notes | $ 0 | $ 500
Effective Rate | 0.00% | 2.86%
Three-month LIBOR plus 0.34%, Due September 20, 2019 |  |
Debt Instrument [Line Items] |  |
Senior notes | $ 500 | $ 500
Effective Rate | 2.77% | 2.71%
Fixed-Rate Notes, 4.95%, Due February 15, 2019 |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 4.95% |
Senior notes | $ 0 | $ 2,000
Effective Rate | 0.00% | 5.17%
Fixed-Rate Notes, 1.60%, Due February 28, 2019 |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 1.60% |
Senior notes | $ 0 | $ 1,000
Effective Rate | 0.00% | 1.67%
Fixed-Rate Notes, 2.125%, Due March 1, 2019 |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 2.125% |
Senior notes | $ 0 | $ 1,750
Effective Rate | 0.00% | 2.71%
FIxed Rate Notes 1.40% Due September 20, 2019 |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 1.40% |
Senior notes | $ 1,500 | $ 1,500
Effective Rate | 1.48% | 1.48%
Fixed-Rate Notes, 4.45%, Due January 15, 2020 |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 4.45% |
Senior notes | $ 2,500 | $ 2,500
Effective Rate | 4.72% | 4.52%
Fixed-Rate Notes, 2.45%, Due June 15, 2020 |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 2.45% |
Senior notes | $ 1,500 | $ 1,500
Effective Rate | 2.54% | 2.54%
Fixed-Rate Notes, 2.20%, Due February 28, 2021 |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 2.20% |
Senior notes | $ 2,500 | $ 2,500
Effective Rate | 2.30% | 2.30%
Fixed-Rate Notes, 2.90%, Due March 4, 2021 |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 2.90% |
Senior notes | $ 500 | $ 500
Effective Rate | 3.14% | 2.86%
Fixed Rate Notes, 1.85% Due September 20, 2021 |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 1.85% |
Senior notes | $ 2,000 | $ 2,000
Effective Rate | 1.90% | 1.90%
Fixed-Rate Notes, 3.00%, Due June 15, 2022 |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 3.00% |
Senior notes | $ 500 | $ 500
Effective Rate | 3.36% | 3.11%
Fixed-Rate Notes, 2.60%, Due February 28, 2023 |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 2.60% |
Senior notes | $ 500 | $ 500
Effective Rate | 2.68% | 2.68%
Fixed Rate Notes 2.20%, Due September 20, 2023 |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 2.20% |
Senior notes | $ 750 | $ 750
Effective Rate | 2.27% | 2.27%
Fixed-Rate Notes,3.625%, Due March 4, 2024 |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 3.625% |
Senior notes | $ 1,000 | $ 1,000
Effective Rate | 3.25% | 2.98%
Fixed-Rate Notes,3.50%, Due June 15, 2025 |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 3.50% |
Senior notes | $ 500 | $ 500
Effective Rate | 3.52% | 3.27%
Fixed-Rate Notes,2.95%, Due February 28, 2026 |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 2.95% |
Senior notes | $ 750 | $ 750
Effective Rate | 3.01% | 3.01%
Fixed Rate Notes 2.50%, Due September 20, 2026 |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 2.50% |
Senior notes | $ 1,500 | $ 1,500
Effective Rate | 2.55% | 2.55%
Fixed-Rate Notes, 5.90%, Due February 15, 2039 |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 5.90% |
Senior notes | $ 2,000 | $ 2,000
Effective Rate | 6.11% | 6.11%
Fixed-Rate Notes, 5.50%, Due January 15, 2040 |  |
Debt Instrument [Line Items] |  |
Interest rate, stated percentage | 5.50% |
Senior notes | $ 2,000 | $ 2,000
Effective Rate | 5.67% | 5.67%
LIBOR | Three-month LIBOR plus 0.50%, Due March 1, 2019 |  |
Debt Instrument [Line Items] |  |
Basis spread on variable rate | 0.50% |
LIBOR | Three-month LIBOR plus 0.34%, Due September 20, 2019 |  |
Debt Instrument [Line Items] |  |
Basis spread on variable rate | 0.34% |

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