| Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block] | 
The following table summarizes the effects of adopting Revenue Recognition - Contracts with Customers, Financial Instruments - Recognition and Measurement, and other accounting standards on our financial statements for the fiscal year beginning December 31, 2017 as an adjustment to the opening balance:
 
|  |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
|   |   |   |   | Adjustments from |   |   |  
| (In Millions)
 |   | Balance as ofDec 30, 2017
 |   | Revenue Standard |   | Financial Instruments Standard |   | 
Other1 
 |   | Opening Balance as ofDec 31, 2017
 |  
| Assets: |   |   |   |   |   |   |   |   |   |   |  
| Accounts receivable |   | $ | 5,607 | 
 |   | $ | (530 | ) |   | $ | — | 
 |   | $ | — | 
 |   | $ | 5,077 | 
 |  
| Inventories |   | $ | 6,983 | 
 |   | $ | 47 | 
 |   | $ | — | 
 |   | $ | — | 
 |   | $ | 7,030 | 
 |  
| Other current assets |   | $ | 2,908 | 
 |   | $ | 64 | 
 |   | $ | — | 
 |   | $ | (8 | ) |   | $ | 2,964 | 
 |  
| Equity investments |   | $ | — | 
 |   | $ | — | 
 |   | $ | 8,579 | 
 |   | $ | — | 
 |   | $ | 8,579 | 
 |  
| Marketable equity securities |   | $ | 4,192 | 
 |   | $ | — | 
 |   | $ | (4,192 | ) |   | $ | — | 
 |   | $ | — | 
 |  
| Other long-term assets |   | $ | 7,602 | 
 |   | $ | — | 
 |   | $ | (4,387 | ) |   | $ | (43 | ) |   | $ | 3,172 | 
 |  
|   |   |   |   |   |   |   |   |   |   |   |  
| Liabilities: |   |   |   |   |   |   |   |   |   |   |  
| Deferred income |   | $ | 1,656 | 
 |   | $ | (1,356 | ) |   | $ | — | 
 |   | $ | — | 
 |   | $ | 300 | 
 |  
| Other accrued liabilities |   | $ | 7,535 | 
 |   | $ | 81 | 
 |   | $ | — | 
 |   | $ | — | 
 |   | $ | 7,616 | 
 |  
| Deferred income taxes |   | $ | 3,046 | 
 |   | $ | 191 | 
 |   | $ | — | 
 |   | $ | (20 | ) |   | $ | 3,217 | 
 |  
|   |   |   |   |   |   |   |   |   |   |   |  
| Stockholders' equity: |   |   |   |   |   |   |   |   |   |   |  
| Accumulated other comprehensive income (loss) |   | $ | 862 | 
 |   | $ | — | 
 |   | $ | (1,745 | ) |   | $ | (45 | ) |   | $ | (928 | ) |  
| Retained earnings |   | $ | 42,083 | 
 |   | $ | 665 | 
 |   | $ | 1,745 | 
 |   | $ | 14 | 
 |   | $ | 44,507 | 
 | 
 
|  |  |  
| 1  | 
Includes adjustments from adoption of "Income Taxes - Intra-Entity Transfers of Assets Other Than Inventory" and "Income Statement—Reporting Comprehensive Income - Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income."
 |  
The following table summarizes the impacts of adopting the new revenue standard on our consolidated condensed statements of income and balance sheets: 
|  |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
|   |   | Three Months Ended September 29, 2018 |   | Nine Months Ended September 29, 2018 |  
| (In Millions) |   | As reported |   | Adjustments |   | Without new revenue standard |   | As reported |   | Adjustments |   | Without new revenue standard |  
| Income Statement |   |   |   |   |   |   |   |   |   |   |   |   |  
|   |   |   |   |   |   |   |   |   |   |   |   |   |  
| Net revenue |   | $ | 19,163 | 
 |   | $ | 118 | 
 |   | $ | 19,281 | 
 |   | $ | 52,191 | 
 |   | $ | (266 | ) |   | $ | 51,925 | 
 |  
| Cost of sales |   | 6,803 | 
 |   | 46 | 
 |   | 6,849 | 
 |   | 19,681 | 
 |   | (136 | ) |   | 19,545 | 
 |  
| Gross margin |   | 12,360 | 
 |   | 72 | 
 |   | 12,432 | 
 |   | 32,510 | 
 |   | (130 | ) |   | 32,380 | 
 |  
| Marketing, general and administrative |   | 1,605 | 
 |   | — | 
 |   | 1,605 | 
 |   | 5,230 | 
 |   | (70 | ) |   | 5,160 | 
 |  
| Operating income |   | 7,349 | 
 |   | 72 | 
 |   | 7,421 | 
 |   | 17,092 | 
 |   | (60 | ) |   | 17,032 | 
 |  
| Income before taxes |   | 7,142 | 
 |   | 72 | 
 |   | 7,214 | 
 |   | 17,682 | 
 |   | (60 | ) |   | 17,622 | 
 |  
| Provision for taxes |   | 744 | 
 |   | 20 | 
 |   | 764 | 
 |   | 1,824 | 
 |   | (4 | ) |   | 1,820 | 
 |  
| Net income |   | $ | 6,398 | 
 |   | $ | 52 | 
 |   | $ | 6,450 | 
 |   | $ | 15,858 | 
 |   | $ | (56 | ) |   | $ | 15,802 | 
 |  
|   |   |   |   |   |   |   |   |   |   |   |   |   |  
|   |   |   |   | As of September 29, 2018 |  
| (In Millions) |   |   |   |   |   |   |   | As reported |   | Adjustments |   | Without new revenue standard |  
| Balance Sheet |   |   |   |   |   |   |   |   |   |   |   |   |  
|   |   |   |   |   |   |   |   |   |   |   |   |   |  
| Assets: |   |   |   |   |   |   |   |   |   |   |   |   |  
| Accounts receivable |   |   |   |   |   |   |   | $ | 5,457 | 
 |   | $ | 446 | 
 |   | $ | 5,903 | 
 |  
| Inventories |   |   |   |   |   |   |   | $ | 7,401 | 
 |   | $ | 23 | 
 |   | $ | 7,424 | 
 |  
| Other current assets |   |   |   |   |   |   |   | $ | 3,546 | 
 |   | $ | 4 | 
 |   | $ | 3,550 | 
 |  
|   |   |   |   |   |   |   |   |   |   |   |   |   |  
| Liabilities: |   |   |   |   |   |   |   |   |   |   |   |   |  
| Deferred income |   |   |   |   |   |   |   | $ | — | 
 |   | $ | 1,668 | 
 |   | $ | 1,668 | 
 |  
| Other accrued liabilities |   |   |   |   |   |   |   | $ | 9,835 | 
 |   | $ | (334 | ) |   | $ | 9,501 | 
 |  
| Deferred income taxes |   |   |   |   |   |   |   | $ | 1,485 | 
 |   | $ | (140 | ) |   | $ | 1,345 | 
 |  
|   |   |   |   |   |   |   |   |   |   |   |   |   |  
| Equity: |   |   |   |   |   |   |   |   |   |   |   |   |  
| Retained earnings |   |   |   |   |   |   |   | $ | 47,094 | 
 |   | $ | (721 | ) |   | $ | 46,373 | 
 |  |