|
Summary of Long-Term Debt (Parenthetical) (Detail)
In Millions, unless otherwise specified |
3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Dec. 27, 2014
USD ($)
|
Sep. 27, 2014
USD ($)
|
Dec. 27, 2014
Floating-rate notes due 2016
|
Sep. 27, 2014
Floating-rate notes due 2016
|
Dec. 27, 2014
Floating-rate notes due 2017
|
Sep. 27, 2014
Floating-rate notes due 2017
|
Dec. 27, 2014
Floating-rate notes due 2018
|
Sep. 27, 2014
Floating-rate notes due 2018
|
Dec. 27, 2014
Floating-rate notes due 2019
|
Sep. 27, 2014
Floating-rate notes due 2019
|
Dec. 27, 2014
Fixed-rate 0.45% notes due 2016
|
Sep. 27, 2014
Fixed-rate 0.45% notes due 2016
|
Dec. 27, 2014
Fixed-rate 1.05% notes due 2017
|
Sep. 27, 2014
Fixed-rate 1.05% notes due 2017
|
Dec. 27, 2014
Fixed-rate 1.00% notes due 2018
|
Sep. 27, 2014
Fixed-rate 1.00% notes due 2018
|
Dec. 27, 2014
Fixed-rate 2.10% notes due 2019
|
Sep. 27, 2014
Fixed-rate 2.10% notes due 2019
|
Dec. 27, 2014
Fixed-rate 2.85% notes due 2021
|
Sep. 27, 2014
Fixed-rate 2.85% notes due 2021
|
Dec. 27, 2014
Fixed-rate 1.00% Euro-denominated notes due 2022
|
Sep. 27, 2014
Fixed-rate 1.00% Euro-denominated notes due 2022
|
Dec. 27, 2014
Fixed-rate 2.40% notes due 2023
|
Sep. 27, 2014
Fixed-rate 2.40% notes due 2023
|
Dec. 27, 2014
Fixed-rate 3.45% notes due 2024
|
Sep. 27, 2014
Fixed-rate 3.45% notes due 2024
|
Dec. 27, 2014
Fixed-rate 1.63% Euro-denominated notes due 2026
|
Sep. 27, 2014
Fixed-rate 1.63% Euro-denominated notes due 2026
|
Dec. 27, 2014
Fixed-rate 3.85% notes due 2043
|
Sep. 27, 2014
Fixed-rate 3.85% notes due 2043
|
Dec. 27, 2014
Fixed-rate 4.45% notes due 2044
|
Sep. 27, 2014
Fixed-rate 4.45% notes due 2044
|
Jun. 29, 2013
2013 Debt Issuance
USD ($)
|
Jun. 28, 2014
2014 Debt Issuance
USD ($)
|
Dec. 27, 2014
2015 Euro-Denominated Debt Issuance
EUR (€)
|
|
| Debt Instrument [Line Items] | |||||||||||||||||||||||||||||||||||
| Debt instrument maturity year | 2016 | 2016 | 2017 | 2017 | 2018 | 2018 | 2019 | 2019 | 2016 | 2016 | 2017 | 2017 | 2018 | 2018 | 2019 | 2019 | 2021 | 2021 | 2022 | 2022 | 2023 | 2023 | 2024 | 2024 | 2026 | 2026 | 2043 | 2043 | 2044 | 2044 | |||||
| Debt instrument interest rate | 0.45% | 0.45% | 1.05% | 1.05% | 1.00% | 1.00% | 2.10% | 2.10% | 2.85% | 2.85% | 1.00% | 1.00% | 2.40% | 2.40% | 3.45% | 3.45% | 1.63% | 1.63% | 3.85% | 3.85% | 4.45% | 4.45% | |||||||||||||
| Debt instrument aggregate principal amount | $ 32,418 | $ 29,000 | $ 17,000 | $ 12,000 | € 2,800 |