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Debt (Tables) | 12 Months Ended
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Sep. 30, 2017
Debt Disclosure [Abstract] |
Summary of Cash Flows Associated with Issuance and Maturities of Commercial Paper | The following table provides a summary of cash flows associated with the issuance and maturities of Commercial Paper for 2017 and 2016 (in millions):
| 2017 |  | 2016
Maturities less than 90 days: |  |  |
Proceeds from/(Repayments of) commercial paper, net | $ | (1,782 | ) |  | $ | (869 | )
Maturities greater than 90 days: |  |  |
Proceeds from commercial paper | 17,932 |  |  | 3,632 |
Repayments of commercial paper | (12,298 | ) |  | (3,160 | )
Proceeds from/(Repayments of) commercial paper, net | 5,634 |  |  | 472 |
Total change in commercial paper, net | $ | 3,852 |  |  | $ | (397 | )
Summary of Term Debt | The following table provides a summary of the Company’s term debt as of September 30, 2017 and September 24, 2016:
| Maturities |  | 2017 |  | 2016
| Amount (in millions) |  | Effective Interest Rate |  | Amount (in millions) |  | Effective Interest Rate
2013 debt issuance of $17.0 billion: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Floating-rate notes | 2018 |  | 2018 |  | $ | 2,000 |  |  |  | 1.10% |  | 1.10 | % |  | $ | 2,000 |  |  |  | 1.10% |  | 1.10 | %
Fixed-rate 1.000% – 3.850% notes | 2018 | – | 2043 |  | 12,500 |  |  |  | 1.08% | – | 3.91 | % |  | 12,500 |  |  |  | 1.08% | – | 3.91 | %
2014 debt issuance of $12.0 billion: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Floating-rate notes | 2019 |  | 2019 |  | 1,000 |  |  |  | 1.61% |  | 1.61 | % |  | 2,000 |  |  |  | 0.86% | – | 1.09 | %
Fixed-rate 2.100% – 4.450% notes | 2019 | – | 2044 |  | 8,500 |  |  |  | 1.61% | – | 4.48 | % |  | 10,000 |  |  |  | 0.85% | – | 4.48 | %
2015 debt issuances of $27.3 billion: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Floating-rate notes | 2019 | – | 2020 |  | 1,549 |  |  |  | 1.56% | – | 1.87 | % |  | 1,781 |  |  |  | 0.87% | – | 1.87 | %
Fixed-rate 0.350% – 4.375% notes | 2019 | – | 2045 |  | 24,522 |  |  |  | 0.28% | – | 4.51 | % |  | 25,144 |  |  |  | 0.28% | – | 4.51 | %
2016 debt issuances of $24.9 billion: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Floating-rate notes | 2019 | – | 2021 |  | 1,350 |  |  |  | 1.45% | – | 2.44 | % |  | 1,350 |  |  |  | 0.91% | – | 1.95 | %
Fixed-rate 1.100% – 4.650% notes | 2018 | – | 2046 |  | 23,645 |  |  |  | 1.13% | – | 4.78 | % |  | 23,609 |  |  |  | 1.13% | – | 4.58 | %
| Maturities |  | 2017 |  | 2016
(Continued) | Amount (in millions) |  | Effective Interest Rate |  | Amount (in millions) |  | Effective Interest Rate
Second quarter 2017 debt issuance of $10.0 billion: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Floating-rate notes |  |  | 2019 |  | 500 |  |  |  |  |  | 1.39 | % |  | — |  |  |  |  |  | — | %
Floating-rate notes |  |  | 2020 |  | 500 |  |  |  |  |  | 1.51 | % |  | — |  |  |  |  |  | — | %
Floating-rate notes |  |  | 2022 |  | 1,000 |  |  |  |  |  | 1.81 | % |  | — |  |  |  |  |  | — | %
Fixed-rate 1.550% notes |  |  | 2019 |  | 500 |  |  |  |  |  | 1.59 | % |  | — |  |  |  |  |  | — | %
Fixed-rate 1.900% notes |  |  | 2020 |  | 1,000 |  |  |  |  |  | 1.51 | % |  | — |  |  |  |  |  | — | %
Fixed-rate 2.500% notes |  |  | 2022 |  | 1,500 |  |  |  |  |  | 1.80 | % |  | — |  |  |  |  |  | — | %
Fixed-rate 3.000% notes |  |  | 2024 |  | 1,750 |  |  |  |  |  | 2.11 | % |  | — |  |  |  |  |  | — | %
Fixed-rate 3.350% notes |  |  | 2027 |  | 2,250 |  |  |  |  |  | 2.25 | % |  | — |  |  |  |  |  | — | %
Fixed-rate 4.250% notes |  |  | 2047 |  | 1,000 |  |  |  |  |  | 4.26 | % |  | — |  |  |  |  |  | — | %
Second quarter 2017 debt issuance of $1.0 billion: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fixed-rate 4.300% notes |  |  | 2047 |  | 1,000 |  |  |  |  |  | 4.30 | % |  | — |  |  |  |  |  | — | %
Third quarter 2017 debt issuance of $7.0 billion: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Floating-rate notes |  |  | 2020 |  | 500 |  |  |  |  |  | 1.38 | % |  | — |  |  |  |  |  | — | %
Floating-rate notes |  |  | 2022 |  | 750 |  |  |  |  |  | 1.66 | % |  | — |  |  |  |  |  | — | %
Fixed-rate 1.800% notes |  |  | 2020 |  | 1,000 |  |  |  |  |  | 1.84 | % |  | — |  |  |  |  |  | — | %
Fixed-rate 2.300% notes |  |  | 2022 |  | 1,000 |  |  |  |  |  | 2.34 | % |  | — |  |  |  |  |  | — | %
Fixed-rate 2.850% notes |  |  | 2024 |  | 1,750 |  |  |  |  |  | 2.25 | % |  | — |  |  |  |  |  | — | %
Fixed-rate 3.200% notes |  |  | 2027 |  | 2,000 |  |  |  |  |  | 2.43 | % |  | — |  |  |  |  |  | — | %
Third quarter 2017 euro-denominated debt issuance of €2.5 billion: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fixed-rate 0.875% notes |  |  | 2025 |  | 1,469 |  |  |  |  |  | 3.03 | % |  | — |  |  |  |  |  | — | %
Fixed-rate 1.375% notes |  |  | 2029 |  | 1,469 |  |  |  |  |  | 3.37 | % |  | — |  |  |  |  |  | — | %
Third quarter 2017 debt issuance of $1.0 billion: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fixed-rate 3.000% notes |  |  | 2027 |  | 1,000 |  |  |  |  |  | 3.03 | % |  | — |  |  |  |  |  | — | %
Fourth quarter 2017 Canadian dollar-denominated debt issuance of C$2.5 billion: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fixed-rate 2.513% notes |  |  | 2024 |  | 2,017 |  |  |  |  |  | 2.66 | % |  | — |  |  |  |  |  | — | %
Fourth quarter 2017 debt issuance of $5.0 billion: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fixed-rate 1.500% notes |  |  | 2019 |  | 1,000 |  |  |  |  |  | 1.54 | % |  | — |  |  |  |  |  | — | %
Fixed-rate 2.100% notes |  |  | 2022 |  | 1,000 |  |  |  |  |  | 1.92 | % |  | — |  |  |  |  |  | — | %
Fixed-rate 2.900% notes |  |  | 2027 |  | 2,000 |  |  |  |  |  | 2.55 | % |  | — |  |  |  |  |  | — | %
Fixed-rate 3.750% notes |  |  | 2047 |  | 1,000 |  |  |  |  |  | 3.78 | % |  | — |  |  |  |  |  | — | %
Total term debt |  |  |  |  | 104,021 |  |  |  |  |  |  |  | 78,384 |  |  |  |  |  |
Unamortized premium/(discount) and issuance costs, net |  |  |  |  | (225 | ) |  |  |  |  |  |  | (174 | ) |  |  |  |  |
Hedge accounting fair value adjustments |  |  |  |  | (93 | ) |  |  |  |  |  |  | 717 |  |  |  |  |  |
Less: Current portion of long-term debt |  |  |  |  | (6,496 | ) |  |  |  |  |  |  | (3,500 | ) |  |  |  |  |
Total long-term debt |  |  |  |  | $ | 97,207 |  |  |  |  |  |  |  | $ | 75,427 |  |  |  |  |  |
Future Principal Payments for Notes | The future principal payments for the Company’s Notes as of September 30, 2017 are as follows (in millions):
2018 | $ | 6,500 |
2019 | 8,863 |
2020 | 9,220 |
2021 | 7,750 |
2022 | 10,297 |
Thereafter | 61,391 |
Total term debt | $ | 104,021 |

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- Definition Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21475-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(e),(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21538-112644 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21506-112644 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28541-108399 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21521-112644 + Details
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