Derivative Financial Instruments (Tables)
   | 
9 Months Ended | 
Oct. 01, 2016  | 
| Derivative [Line Items] | 
 
 | 
| Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block] | 
Total gross notional amounts for outstanding derivatives (recorded at fair value) at the end of each period were as follows: 
 
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(In Millions)  | 
   | 
Oct 1,  2016  | 
   | 
Dec 26,  2015  | 
   | 
Sep 26,  2015  | 
 
Currency forwards  | 
   | 
$  | 
10,639  | 
 
  | 
   | 
$  | 
11,212  | 
 
  | 
   | 
$  | 
12,395  | 
 
  | 
 
Currency interest rate swaps  | 
   | 
7,194  | 
 
  | 
   | 
5,509  | 
 
  | 
   | 
4,966  | 
 
  | 
 
Embedded debt derivatives  | 
   | 
3,600  | 
 
  | 
   | 
3,600  | 
 
  | 
   | 
3,600  | 
 
  | 
 
Interest rate swaps  | 
   | 
6,446  | 
 
  | 
   | 
5,212  | 
 
  | 
   | 
1,740  | 
 
  | 
 
Total return swaps  | 
   | 
1,276  | 
 
  | 
   | 
1,061  | 
 
  | 
   | 
1,020  | 
 
  | 
 
Other  | 
   | 
79  | 
 
  | 
   | 
61  | 
 
  | 
   | 
64  | 
 
  | 
 
Total  | 
   | 
$  | 
29,234  | 
 
  | 
   | 
$  | 
26,655  | 
 
  | 
   | 
$  | 
23,785  | 
 
  | 
 
  
The gross notional amounts for currency forwards and currency interest rate swaps (presented by currency) at the end of each period were as follows: 
 |  
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 
(In Millions)  | 
   | 
Oct 1,  2016  | 
   | 
Dec 26,  2015  | 
   | 
Sep 26,  2015  | 
 
Chinese yuan   | 
   | 
$  | 
1,600  | 
 
  | 
   | 
$  | 
2,231  | 
 
  | 
   | 
$  | 
2,650  | 
 
  | 
 
Euro  | 
   | 
6,199  | 
 
  | 
   | 
6,084  | 
 
  | 
   | 
6,546  | 
 
  | 
 
Israeli shekel  | 
   | 
1,985  | 
 
  | 
   | 
1,674  | 
 
  | 
   | 
1,938  | 
 
  | 
 
Japanese yen  | 
   | 
2,890  | 
 
  | 
   | 
2,663  | 
 
  | 
   | 
2,733  | 
 
  | 
 
Other  | 
   | 
5,159  | 
 
  | 
   | 
4,069  | 
 
  | 
   | 
3,494  | 
 
  | 
 
Total  | 
   | 
$  | 
17,833  | 
 
  | 
   | 
$  | 
16,721  | 
 
  | 
   | 
$  | 
17,361  | 
 
  | 
 
  
 
 | 
| Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] | 
The fair value of our derivative instruments at the end of each period were as follows: 
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   | 
   | 
October 1, 2016  | 
   | 
December 26, 2015  | 
 
(In Millions)  | 
   | 
 Other 
Current 
Assets 
 | 
   | 
 Other 
Long-Term 
Assets 
 | 
   | 
 Other 
Accrued 
Liabilities 
 | 
   | 
 Other 
Long-Term 
Liabilities 
 | 
   | 
 Other 
Current 
Assets 
 | 
   | 
 Other 
Long-Term 
Assets 
 | 
   | 
 Other 
Accrued 
Liabilities 
 | 
   | 
 Other 
Long-Term 
Liabilities 
 | 
 
Derivatives designated as hedging instruments:  | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
 
Currency forwards  | 
   | 
$  | 
155  | 
 
  | 
   | 
$  | 
2  | 
 
  | 
   | 
$  | 
15  | 
 
  | 
   | 
$  | 
1  | 
 
  | 
   | 
$  | 
20  | 
 
  | 
   | 
$  | 
3  | 
 
  | 
   | 
$  | 
83  | 
 
  | 
   | 
$  | 
2  | 
 
  | 
 
Interest rate swaps  | 
   | 
—  | 
 
  | 
   | 
175  | 
 
  | 
   | 
—  | 
 
  | 
   | 
—  | 
 
  | 
   | 
—  | 
 
  | 
   | 
1  | 
 
  | 
   | 
—  | 
 
  | 
   | 
14  | 
 
  | 
 
Currency interest rate swaps  | 
   | 
—  | 
 
  | 
   | 
48  | 
 
  | 
   | 
—  | 
 
  | 
   | 
—  | 
 
  | 
   | 
—  | 
 
  | 
   | 
7  | 
 
  | 
   | 
—  | 
 
  | 
   | 
—  | 
 
  | 
 
Total derivatives designated as hedging instruments  | 
   | 
155  | 
 
  | 
   | 
225  | 
 
  | 
   | 
15  | 
 
  | 
   | 
1  | 
 
  | 
   | 
20  | 
 
  | 
   | 
11  | 
 
  | 
   | 
83  | 
 
  | 
   | 
16  | 
 
  | 
 
Derivatives not designated as hedging instruments:  | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
 
Currency forwards  | 
   | 
41  | 
 
  | 
   | 
1  | 
 
  | 
   | 
25  | 
 
  | 
   | 
1  | 
 
  | 
   | 
20  | 
 
  | 
   | 
—  | 
 
  | 
   | 
63  | 
 
  | 
   | 
—  | 
 
  | 
 
Currency interest rate swaps  | 
   | 
112  | 
 
  | 
   | 
8  | 
 
  | 
   | 
309  | 
 
  | 
   | 
—  | 
 
  | 
   | 
370  | 
 
  | 
   | 
18  | 
 
  | 
   | 
52  | 
 
  | 
   | 
—  | 
 
  | 
 
Embedded debt derivatives  | 
   | 
—  | 
 
  | 
   | 
—  | 
 
  | 
   | 
—  | 
 
  | 
   | 
19  | 
 
  | 
   | 
—  | 
 
  | 
   | 
—  | 
 
  | 
   | 
—  | 
 
  | 
   | 
17  | 
 
  | 
 
Interest rate swaps  | 
   | 
3  | 
 
  | 
   | 
—  | 
 
  | 
   | 
19  | 
 
  | 
   | 
—  | 
 
  | 
   | 
2  | 
 
  | 
   | 
—  | 
 
  | 
   | 
12  | 
 
  | 
   | 
—  | 
 
  | 
 
Total return swaps  | 
   | 
—  | 
 
  | 
   | 
—  | 
 
  | 
   | 
—  | 
 
  | 
   | 
—  | 
 
  | 
   | 
32  | 
 
  | 
   | 
—  | 
 
  | 
   | 
2  | 
 
  | 
   | 
—  | 
 
  | 
 
Other  | 
   | 
2  | 
 
  | 
   | 
11  | 
 
  | 
   | 
—  | 
 
  | 
   | 
—  | 
 
  | 
   | 
1  | 
 
  | 
   | 
11  | 
 
  | 
   | 
—  | 
 
  | 
   | 
—  | 
 
  | 
 
Total derivatives not designated as hedging instruments  | 
   | 
158  | 
 
  | 
   | 
20  | 
 
  | 
   | 
353  | 
 
  | 
   | 
20  | 
 
  | 
   | 
425  | 
 
  | 
   | 
29  | 
 
  | 
   | 
129  | 
 
  | 
   | 
17  | 
 
  | 
 
Total derivatives  | 
   | 
$  | 
313  | 
 
  | 
   | 
$  | 
245  | 
 
  | 
   | 
$  | 
368  | 
 
  | 
   | 
$  | 
21  | 
 
  | 
   | 
$  | 
445  | 
 
  | 
   | 
$  | 
40  | 
 
  | 
   | 
$  | 
212  | 
 
  | 
   | 
$  | 
33  | 
 
  | 
 
  
 
 | 
| Offsetting Assets And Liabilities [Table Text Block] | 
The gross amounts of our derivative instruments and reverse repurchase agreements subject to master netting arrangements with various counterparties, and cash and non-cash collateral posted under such agreements at the end of each period were as follows: 
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 | 
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 | 
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   | 
   | 
October 1, 2016  | 
 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
Gross Amounts Not Offset in the Balance Sheet  | 
   | 
   | 
 
(In Millions)  | 
   | 
Gross Amounts Recognized  | 
   | 
Gross Amounts Offset in the Balance Sheet  | 
   | 
Net Amounts Presented in the Balance Sheet  | 
   | 
Financial Instruments  | 
   | 
Cash and Non-Cash Collateral Received or Pledged  | 
   | 
Net Amount  | 
 
Assets:  | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
 
Derivative assets subject to master netting arrangements  | 
   | 
$  | 
552  | 
 
  | 
   | 
$  | 
—  | 
 
  | 
   | 
$  | 
552  | 
 
  | 
   | 
$  | 
(243  | 
)  | 
   | 
$  | 
(210  | 
)  | 
   | 
$  | 
99  | 
 
  | 
 
Reverse repurchase agreements  | 
   | 
1,018  | 
 
  | 
   | 
—  | 
 
  | 
   | 
1,018  | 
 
  | 
   | 
—  | 
 
  | 
   | 
(1,018  | 
)  | 
   | 
—  | 
 
  | 
 
Total assets  | 
   | 
1,570  | 
 
  | 
   | 
—  | 
 
  | 
   | 
1,570  | 
 
  | 
   | 
(243  | 
)  | 
   | 
(1,228  | 
)  | 
   | 
99  | 
 
  | 
 
Liabilities:  | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
 
Derivative liabilities subject to master netting arrangements  | 
   | 
385  | 
 
  | 
   | 
—  | 
 
  | 
   | 
385  | 
 
  | 
   | 
(243  | 
)  | 
   | 
(142  | 
)  | 
   | 
—  | 
 
  | 
 
Total liabilities  | 
   | 
$  | 
385  | 
 
  | 
   | 
$  | 
—  | 
 
  | 
   | 
$  | 
385  | 
 
  | 
   | 
$  | 
(243  | 
)  | 
   | 
$  | 
(142  | 
)  | 
   | 
$  | 
—  | 
 
  | 
 
  
 |  
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 
   | 
   | 
December 26, 2015  | 
 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
Gross Amounts Not Offset in the Balance Sheet  | 
   | 
   | 
 
(In Millions)  | 
   | 
Gross Amounts Recognized  | 
   | 
Gross Amounts Offset in the Balance Sheet  | 
   | 
Net Amounts Presented in the Balance Sheet  | 
   | 
Financial Instruments  | 
   | 
Cash and Non-Cash Collateral Received or Pledged  | 
   | 
Net Amount  | 
 
Assets:  | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
 
Derivative assets subject to master netting arrangements  | 
   | 
$  | 
482  | 
 
  | 
   | 
$  | 
—  | 
 
  | 
   | 
$  | 
482  | 
 
  | 
   | 
$  | 
(201  | 
)  | 
   | 
$  | 
(188  | 
)  | 
   | 
$  | 
93  | 
 
  | 
 
Reverse repurchase agreements  | 
   | 
3,368  | 
 
  | 
   | 
—  | 
 
  | 
   | 
3,368  | 
 
  | 
   | 
—  | 
 
  | 
   | 
(3,368  | 
)  | 
   | 
—  | 
 
  | 
 
Total assets  | 
   | 
3,850  | 
 
  | 
   | 
—  | 
 
  | 
   | 
3,850  | 
 
  | 
   | 
(201  | 
)  | 
   | 
(3,556  | 
)  | 
   | 
93  | 
 
  | 
 
Liabilities:  | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
 
Derivative liabilities subject to master netting arrangements  | 
   | 
242  | 
 
  | 
   | 
—  | 
 
  | 
   | 
242  | 
 
  | 
   | 
(201  | 
)  | 
   | 
(27  | 
)  | 
   | 
14  | 
 
  | 
 
Total liabilities  | 
   | 
$  | 
242  | 
 
  | 
   | 
$  | 
—  | 
 
  | 
   | 
$  | 
242  | 
 
  | 
   | 
$  | 
(201  | 
)  | 
   | 
$  | 
(27  | 
)  | 
   | 
$  | 
14  | 
 
  | 
 
  
 
 | 
| Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block] | 
The before-tax gains (losses), attributed to the effective portion of cash flow hedges, recognized in other comprehensive income (loss) for each period were as follows: 
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   | 
   | 
Three Months Ended  | 
   | 
Nine Months Ended  | 
 
(In Millions)  | 
   | 
Oct 1,  2016  | 
   | 
Sep 26,  2015  | 
   | 
Oct 1,  2016  | 
   | 
Sep 26,  2015  | 
 
Currency forwards  | 
   | 
$  | 
65  | 
 
  | 
   | 
$  | 
(68  | 
)  | 
   | 
$  | 
356  | 
 
  | 
   | 
$  | 
(268  | 
)  | 
 
Currency interest rate swaps and other  | 
   | 
27  | 
 
  | 
   | 
—  | 
 
  | 
   | 
18  | 
 
  | 
   | 
—  | 
 
  | 
 
Total  | 
   | 
$  | 
92  | 
 
  | 
   | 
$  | 
(68  | 
)  | 
   | 
$  | 
374  | 
 
  | 
   | 
$  | 
(268  | 
)  | 
 
  
 
 | 
| Not Designated as Hedging Instrument [Member] | 
 
 | 
| Derivative [Line Items] | 
 
 | 
| Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance [Table Text Block] | 
The effects of derivative instruments not designated as hedging instruments on the consolidated condensed statements of income for each period were as follows: 
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 | 
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 | 
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   | 
   | 
   | 
   | 
Three Months Ended  | 
   | 
Nine Months Ended  | 
 
(In Millions)  | 
   | 
 Location of Gains (Losses) 
Recognized in Income on Derivatives 
 | 
   | 
Oct 1,  2016  | 
   | 
Sep 26,  2015  | 
   | 
Oct 1,  2016  | 
   | 
Sep 26,  2015  | 
 
Currency forwards  | 
   | 
Interest and other, net  | 
   | 
$  | 
6  | 
 
  | 
   | 
$  | 
(19  | 
)  | 
   | 
$  | 
2  | 
 
  | 
   | 
$  | 
(33  | 
)  | 
 
Currency interest rate swaps  | 
   | 
Interest and other, net  | 
   | 
(41  | 
)  | 
   | 
80  | 
 
  | 
   | 
(211  | 
)  | 
   | 
283  | 
 
  | 
 
Interest rate swaps  | 
   | 
Interest and other, net  | 
   | 
7  | 
 
  | 
   | 
(3  | 
)  | 
   | 
(8  | 
)  | 
   | 
(8  | 
)  | 
 
Total return swaps  | 
   | 
Various  | 
   | 
78  | 
 
  | 
   | 
(90  | 
)  | 
   | 
92  | 
 
  | 
   | 
(48  | 
)  | 
 
Other  | 
   | 
Various  | 
   | 
(6  | 
)  | 
   | 
(3  | 
)  | 
   | 
(2  | 
)  | 
   | 
(17  | 
)  | 
 
Total  | 
   | 
   | 
   | 
$  | 
44  | 
 
  | 
   | 
$  | 
(35  | 
)  | 
   | 
$  | 
(127  | 
)  | 
   | 
$  | 
177  | 
 
  | 
 
  
 
 | 
| Interest and other, net [Member] | Fair Value Hedging [Member] | 
 
 | 
| Derivative [Line Items] | 
 
 | 
| Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance [Table Text Block] | 
The effects of derivative instruments designated as fair value hedges, recognized in interest and other, net for each period were as follows: 
 |  
 | 
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 | 
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 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 
   | 
   | 
Three Months Ended  | 
   | 
Nine Months Ended  | 
 
(In Millions)  | 
   | 
Oct 1,  2016  | 
   | 
Sep 26,  2015  | 
   | 
Oct 1,  2016  | 
   | 
Sep 26,  2015  | 
 
Interest rate swap  | 
   | 
$  | 
(34  | 
)  | 
   | 
$  | 
3  | 
 
  | 
   | 
$  | 
188  | 
 
  | 
   | 
$  | 
3  | 
 
  | 
 
Hedged item  | 
   | 
34  | 
 
  | 
   | 
(3  | 
)  | 
   | 
(188  | 
)  | 
   | 
(3  | 
)  | 
 
Total  | 
   | 
$  | 
—  | 
 
  | 
   | 
$  | 
—  | 
 
  | 
   | 
$  | 
—  | 
 
  | 
   | 
$  | 
—  | 
 
  | 
 
  
 
 |