Composition of Certain Financial Statement Items Other Income, Costs and Expenses (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Dec. 27, 2015 |
Dec. 28, 2014 |
|
| Proceeds from sale of wireless spectrum | $ 232 | $ 0 |
| Deferred payments | 275 | |
| Realized gain on sale of wireless spectrum | 380 | 0 |
| Restructuring and restructuring related charges | 54 | |
| Gain on sale of business | $ 48 | |
| Goodwill impairment charge | 69 | |
| Gain on sale of certain property, plant and equipment | $ 16 | |
| Minimum [Member] | ||
| Deferred payments, Due date | Jan. 01, 2020 | |
| Maximum [Member] | ||
| Deferred payments, Due date | Dec. 31, 2023 | |
| X | ||||||||||
- Definition Amount of gain (loss) on sale or disposal of intangible assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Gain (loss) from sale or disposal of an organization or integrated set of activities (for example, but not limited to, a partnership or corporation) engaged in providing a product or service in a commercial, industrial, or professional environment. No definition available.
|
| X | ||||||||||
- Definition Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount representing an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date. Such amount may include accrued interest receivable in accordance with the terms of the note. The note also may contain provisions and related items including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among a myriad of other features and characteristics. Excludes amounts related to receivables held-for-sale. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition The cash inflow from disposal of asset without physical form usually arising from contractual or other legal rights, excluding goodwill. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Date the receivable or note with imputed interest is due, in CCYY-MM-DD format. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|