| Recent Accounting Standards [Table Text Block] | 
Opening Balance Adjustments 
The following table summarizes the effects of adopting Revenue Recognition - Contracts with Customers and Financial Instruments - Recognition and Measurement on our financial statements for the fiscal year beginning December 31, 2017 as an adjustment to the opening balance:
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Adjustments from  | 
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(In Millions) 
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Balance as of Dec 30, 2017  | 
   | 
Revenue Standard  | 
   | 
Financial Instruments Update  | 
   | 
Other1
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   | 
Opening Balance as of Dec 31, 2017  | 
 
Assets:  | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
 
Accounts receivable, net  | 
   | 
$  | 
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  | 
 
  | 
 
   | 
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Liabilities:  | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
 
Deferred income  | 
   | 
$  | 
1,656  | 
 
  | 
   | 
$  | 
(1,356  | 
)  | 
   | 
$  | 
—  | 
 
  | 
   | 
$  | 
—  | 
 
  | 
   | 
$  | 
300  | 
 
  | 
 
Other accrued liabilities  | 
   | 
$  | 
7,535  | 
 
  | 
   | 
$  | 
81  | 
 
  | 
   | 
$  | 
—  | 
 
  | 
   | 
$  | 
—  | 
 
  | 
   | 
$  | 
7,616  | 
 
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Long-term deferred tax liabilities  | 
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$  | 
3,046  | 
 
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$  | 
191  | 
 
  | 
   | 
$  | 
—  | 
 
  | 
   | 
$  | 
(20  | 
)  | 
   | 
$  | 
3,217  | 
 
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   | 
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Stockholders' equity:  | 
   | 
   | 
   | 
   | 
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   | 
   | 
   | 
   | 
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Accumulated other comprehensive income (loss)  | 
   | 
$  | 
862  | 
 
  | 
   | 
$  | 
—  | 
 
  | 
   | 
$  | 
(1,745  | 
)  | 
   | 
$  | 
(45  | 
)  | 
   | 
$  | 
(928  | 
)  | 
 
Retained earnings  | 
   | 
$  | 
42,083  | 
 
  | 
   | 
$  | 
665  | 
 
  | 
   | 
$  | 
1,745  | 
 
  | 
   | 
$  | 
14  | 
 
  | 
   | 
$  | 
44,507  | 
 
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1   | 
Includes adjustments from the 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 statements of income and balance sheets: 
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For the fiscal year ended December 29, 2018  | 
 
(In Millions)  | 
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As reported  | 
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Adjustments  | 
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Without new revenue standard  | 
 
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Net revenue  | 
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$  | 
70,848  | 
 
  | 
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$  | 
(616  | 
)  | 
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$  | 
70,232  | 
 
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Cost of sales  | 
   | 
27,111  | 
 
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   | 
(206  | 
)  | 
   | 
26,905  | 
 
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Gross margin  | 
   | 
43,737  | 
 
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   | 
(410  | 
)  | 
   | 
43,327  | 
 
  | 
 
Marketing, general and administrative  | 
   | 
6,750  | 
 
  | 
   | 
(70  | 
)  | 
   | 
6,680  | 
 
  | 
 
Operating income  | 
   | 
23,316  | 
 
  | 
   | 
(340  | 
)  | 
   | 
22,976  | 
 
  | 
 
Income before taxes  | 
   | 
23,317  | 
 
  | 
   | 
(340  | 
)  | 
   | 
22,977  | 
 
  | 
 
Provision for taxes  | 
   | 
2,264  | 
 
  | 
   | 
(64  | 
)  | 
   | 
2,200  | 
 
  | 
 
Net income  | 
   | 
$  | 
21,053  | 
 
  | 
   | 
$  | 
(276  | 
)  | 
   | 
$  | 
20,777  | 
 
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Assets:  | 
   | 
   | 
   | 
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   | 
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Accounts receivable  | 
   | 
$  | 
6,722  | 
 
  | 
   | 
$  | 
216  | 
 
  | 
   | 
$  | 
6,938  | 
 
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Inventories  | 
   | 
$  | 
7,253  | 
 
  | 
   | 
$  | 
62  | 
 
  | 
   | 
$  | 
7,315  | 
 
  | 
 
Other current assets  | 
   | 
$  | 
3,162  | 
 
  | 
   | 
$  | 
4  | 
 
  | 
   | 
$  | 
3,166  | 
 
  | 
 
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Liabilities:  | 
   | 
   | 
   | 
   | 
   | 
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Deferred income  | 
   | 
$  | 
—  | 
 
  | 
   | 
$  | 
1,846  | 
 
  | 
   | 
$  | 
1,846  | 
 
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Other accrued liabilities  | 
   | 
$  | 
7,919  | 
 
  | 
   | 
$  | 
(514  | 
)  | 
   | 
$  | 
7,405  | 
 
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Deferred income taxes  | 
   | 
$  | 
1,665  | 
 
  | 
   | 
$  | 
(109  | 
)  | 
   | 
$  | 
1,556  | 
 
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Equity:  | 
   | 
   | 
   | 
   | 
   | 
   | 
 
Retained earnings  | 
   | 
$  | 
50,172  | 
 
  | 
   | 
$  | 
(941  | 
)  | 
   | 
$  | 
49,231  | 
 
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