| Identified Intangible Assets (Tables)
 | 3 Months Ended | 
| Mar. 31, 2018 | 
|---|
| Intangible Assets, Net (Excluding Goodwill) [Abstract] |  | 
| Schedule of Finite-Lived Intangible Assets [Table Text Block] | 
|  |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  
|   |   | March 31, 2018 |  
| (In Millions) |   | Gross Assets |   | AccumulatedAmortization
 |   | Net |  
| Acquisition-related developed technology |   | $ | 9,513 | 
 |   | $ | (2,197 | ) |   | $ | 7,316 | 
 |  
| Acquisition-related customer relationships |   | 2,036 | 
 |   | (343 | ) |   | 1,693 | 
 |  
| Acquisition-related brands |   | 143 | 
 |   | (34 | ) |   | 109 | 
 |  
| Licensed technology and patents |   | 3,104 | 
 |   | (1,434 | ) |   | 1,670 | 
 |  
| Identified intangible assets subject to amortization |   | 14,796 | 
 |   | (4,008 | ) |   | 10,788 | 
 |  
| In-process research and development |   | 1,567 | 
 |   | — | 
 |   | 1,567 | 
 |  
| Identified intangible assets not subject to amortization |   | 1,567 | 
 |   | — | 
 |   | 1,567 | 
 |  
| Total identified intangible assets |   | $ | 16,363 | 
 |   | $ | (4,008 | ) |   | $ | 12,355 | 
 | 
|  |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  
|   |   | December 30, 2017 |  
| (In Millions) |   | Gross Assets |   | AccumulatedAmortization
 |   | Net |  
| Acquisition-related developed technology |   | $ | 8,912 | 
 |   | $ | (1,922 | ) |   | $ | 6,990 | 
 |  
| Acquisition-related customer relationships |   | 2,052 | 
 |   | (313 | ) |   | 1,739 | 
 |  
| Acquisition-related brands |   | 143 | 
 |   | (29 | ) |   | 114 | 
 |  
| Licensed technology and patents |   | 3,104 | 
 |   | (1,370 | ) |   | 1,734 | 
 |  
| Identified intangible assets subject to amortization |   | 14,211 | 
 |   | (3,634 | ) |   | 10,577 | 
 |  
| In-process research and development |   | 2,168 | 
 |   | — | 
 |   | 2,168 | 
 |  
| Identified intangible assets not subject to amortization |   | 2,168 | 
 |   | — | 
 |   | 2,168 | 
 |  
| Total identified intangible assets |   | $ | 16,379 | 
 |   | $ | (3,634 | ) |   | $ | 12,745 | 
 |  | 
| Schedule of Indefinite-Lived Intangible Assets [Table Text Block] | 
|  |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  
|   |   | March 31, 2018 |  
| (In Millions) |   | Gross Assets |   | AccumulatedAmortization
 |   | Net |  
| Acquisition-related developed technology |   | $ | 9,513 | 
 |   | $ | (2,197 | ) |   | $ | 7,316 | 
 |  
| Acquisition-related customer relationships |   | 2,036 | 
 |   | (343 | ) |   | 1,693 | 
 |  
| Acquisition-related brands |   | 143 | 
 |   | (34 | ) |   | 109 | 
 |  
| Licensed technology and patents |   | 3,104 | 
 |   | (1,434 | ) |   | 1,670 | 
 |  
| Identified intangible assets subject to amortization |   | 14,796 | 
 |   | (4,008 | ) |   | 10,788 | 
 |  
| In-process research and development |   | 1,567 | 
 |   | — | 
 |   | 1,567 | 
 |  
| Identified intangible assets not subject to amortization |   | 1,567 | 
 |   | — | 
 |   | 1,567 | 
 |  
| Total identified intangible assets |   | $ | 16,363 | 
 |   | $ | (4,008 | ) |   | $ | 12,355 | 
 | 
|  |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  
|   |   | December 30, 2017 |  
| (In Millions) |   | Gross Assets |   | AccumulatedAmortization
 |   | Net |  
| Acquisition-related developed technology |   | $ | 8,912 | 
 |   | $ | (1,922 | ) |   | $ | 6,990 | 
 |  
| Acquisition-related customer relationships |   | 2,052 | 
 |   | (313 | ) |   | 1,739 | 
 |  
| Acquisition-related brands |   | 143 | 
 |   | (29 | ) |   | 114 | 
 |  
| Licensed technology and patents |   | 3,104 | 
 |   | (1,370 | ) |   | 1,734 | 
 |  
| Identified intangible assets subject to amortization |   | 14,211 | 
 |   | (3,634 | ) |   | 10,577 | 
 |  
| In-process research and development |   | 2,168 | 
 |   | — | 
 |   | 2,168 | 
 |  
| Identified intangible assets not subject to amortization |   | 2,168 | 
 |   | — | 
 |   | 2,168 | 
 |  
| Total identified intangible assets |   | $ | 16,379 | 
 |   | $ | (3,634 | ) |   | $ | 12,745 | 
 |  | 
| Finite-lived Intangible Assets Amortization Expense [Table Text Block] | 
Amortization expenses recorded in the consolidated condensed statements of income for each period were as follows: 
|  |  
|  |  |  |  |  |  |  |  |  |  |  |  
|   |   |   |   | Three Months Ended |  
| (In Millions) |   | Location |   | Mar 31, 2018
 |   | Apr 1, 2017
 |  
| Acquisition-related developed technology |   | Cost of sales |   | $ | 275 | 
 |   | $ | 209 | 
 |  
| Acquisition-related customer relationships |   | Amortization of acquisition-related intangibles |   | 45 | 
 |   | 35 | 
 |  
| Acquisition-related brands |   | Amortization of acquisition-related intangibles |   | 5 | 
 |   | 3 | 
 |  
| Licensed technology and patents |   | Cost of sales |   | 65 | 
 |   | 74 | 
 |  
| Total amortization expenses |   |   |   | $ | 390 | 
 |   | $ | 321 | 
 |  | 
| Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] | 
We expect future amortization expenses for the next five years to be as follows: 
|  |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
| (In Millions) |   | Remainder of 2018 |   | 2019 |   | 2020 |   | 2021 |   | 2022 |  
| Acquisition-related developed technology |   | $ | 824 | 
 |   | $ | 1,097 | 
 |   | $ | 1,066 | 
 |   | $ | 1,030 | 
 |   | $ | 991 | 
 |  
| Acquisition-related customer relationships |   | 136 | 
 |   | 180 | 
 |   | 179 | 
 |   | 179 | 
 |   | 171 | 
 |  
| Acquisition-related brands |   | 15 | 
 |   | 20 | 
 |   | 20 | 
 |   | 20 | 
 |   | 6 | 
 |  
| Licensed technology and patents |   | 195 | 
 |   | 246 | 
 |   | 214 | 
 |   | 195 | 
 |   | 190 | 
 |  
| Total future amortization expenses |   | $ | 1,170 | 
 |   | $ | 1,543 | 
 |   | $ | 1,479 | 
 |   | $ | 1,424 | 
 |   | $ | 1,358 | 
 |  |