Debt - Additional Information (Detail) $ in Millions, ¥ in Billions |
12 Months Ended | |||||
|---|---|---|---|---|---|---|
|
Sep. 24, 2016
USD ($)
|
Sep. 26, 2015
USD ($)
|
Sep. 27, 2014
USD ($)
|
Sep. 24, 2016
JPY (¥)
|
Jun. 25, 2016
USD ($)
|
Mar. 26, 2016
USD ($)
|
|
| Debt Instrument [Line Items] | ||||||
| Commercial paper | $ 8,105 | $ 8,499 | ||||
| Aggregate principal balance of debt | 78,384 | 55,701 | ||||
| Interest expense | $ 1,400 | $ 722 | $ 381 | |||
| Commercial paper | ||||||
| Debt Instrument [Line Items] | ||||||
| Commercial paper, weighted-average interest rate | 0.45% | 0.14% | 0.45% | |||
| Level 2 | ||||||
| Debt Instrument [Line Items] | ||||||
| Debt instrument fair value | $ 81,700 | $ 54,900 | ||||
| Currency Swaps | ||||||
| Debt Instrument [Line Items] | ||||||
| Derivative, notional amount | $ 1,000 | |||||
| Interest Rate Swap | ||||||
| Debt Instrument [Line Items] | ||||||
| Derivative, notional amount | 1,800 | $ 5,000 | ||||
| Third quarter 2015 Japanese yen-denominated debt issuance | Net investment hedges | ||||||
| Debt Instrument [Line Items] | ||||||
| Debt instrument, face amount | ¥ | ¥ 195.5 | |||||
| Debt instrument, senior notes | $ 1,900 | |||||
| Maximum | ||||||
| Debt Instrument [Line Items] | ||||||
| Commercial paper, maturity period | 9 months | |||||