Derivative Financial Instruments (Tables)
   | 
3 Months Ended | 
Apr. 01, 2017  | 
| Derivative [Line Items] | 
 
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| 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)  | 
   | 
Apr 1,  2017  | 
   | 
Dec 31,  2016  | 
   | 
Apr 2,  2016  | 
 
Foreign currency contracts  | 
   | 
$  | 
18,575  | 
 
  | 
   | 
$  | 
17,960  | 
 
  | 
   | 
$  | 
17,520  | 
 
  | 
 
Interest rate contracts  | 
   | 
14,815  | 
 
  | 
   | 
14,228  | 
 
  | 
   | 
11,540  | 
 
  | 
 
Other  | 
   | 
1,357  | 
 
  | 
   | 
1,340  | 
 
  | 
   | 
1,210  | 
 
  | 
 
Total  | 
   | 
$  | 
34,747  | 
 
  | 
   | 
$  | 
33,528  | 
 
  | 
   | 
$  | 
30,270  | 
 
  | 
 
  
 
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| Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] | 
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   | 
   | 
April 1, 2017  | 
   | 
December 31, 2016  | 
 
(In Millions)  | 
   | 
Assets 1
  | 
   | 
Liabilities 2
  | 
   | 
Assets 1
  | 
   | 
Liabilities 2
  | 
 
Derivatives designated as hedging instruments:  | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
 
Foreign currency contracts 3
  | 
   | 
$  | 
173  | 
 
  | 
   | 
$  | 
94  | 
 
  | 
   | 
$  | 
21  | 
 
  | 
   | 
$  | 
252  | 
 
  | 
 
Interest rate contracts  | 
   | 
2  | 
 
  | 
   | 
200  | 
 
  | 
   | 
3  | 
 
  | 
   | 
187  | 
 
  | 
 
Total derivatives designated as hedging instruments  | 
   | 
175  | 
 
  | 
   | 
294  | 
 
  | 
   | 
24  | 
 
  | 
   | 
439  | 
 
  | 
 
Derivatives not designated as hedging instruments:  | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
 
Foreign currency contracts 4
  | 
   | 
167  | 
 
  | 
   | 
200  | 
 
  | 
   | 
374  | 
 
  | 
   | 
114  | 
 
  | 
 
Interest rate contracts  | 
   | 
16  | 
 
  | 
   | 
33  | 
 
  | 
   | 
15  | 
 
  | 
   | 
30  | 
 
  | 
 
Other  | 
   | 
10  | 
 
  | 
   | 
—  | 
 
  | 
   | 
9  | 
 
  | 
   | 
—  | 
 
  | 
 
Total derivatives not designated as hedging instruments  | 
   | 
193  | 
 
  | 
   | 
233  | 
 
  | 
   | 
398  | 
 
  | 
   | 
144  | 
 
  | 
 
Total derivatives  | 
   | 
$  | 
368  | 
 
  | 
   | 
$  | 
527  | 
 
  | 
   | 
$  | 
422  | 
 
  | 
   | 
$  | 
583  | 
 
  | 
 
  
 
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| 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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   | 
   | 
April 1, 2017  | 
 
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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  | 
   | 
$  | 
357  | 
 
  | 
   | 
$  | 
—  | 
 
  | 
   | 
$  | 
357  | 
 
  | 
   | 
$  | 
(243  | 
)  | 
   | 
$  | 
(82  | 
)  | 
   | 
$  | 
32  | 
 
  | 
 
Reverse repurchase agreements  | 
   | 
1,648  | 
 
  | 
   | 
—  | 
 
  | 
   | 
1,648  | 
 
  | 
   | 
—  | 
 
  | 
   | 
(1,648  | 
)  | 
   | 
—  | 
 
  | 
 
Total assets  | 
   | 
2,005  | 
 
  | 
   | 
—  | 
 
  | 
   | 
2,005  | 
 
  | 
   | 
(243  | 
)  | 
   | 
(1,730  | 
)  | 
   | 
32  | 
 
  | 
 
Liabilities:  | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
 
Derivative liabilities subject to master netting arrangements  | 
   | 
499  | 
 
  | 
   | 
—  | 
 
  | 
   | 
499  | 
 
  | 
   | 
(243  | 
)  | 
   | 
(240  | 
)  | 
   | 
16  | 
 
  | 
 
Total liabilities  | 
   | 
$  | 
499  | 
 
  | 
   | 
$  | 
—  | 
 
  | 
   | 
$  | 
499  | 
 
  | 
   | 
$  | 
(243  | 
)  | 
   | 
$  | 
(240  | 
)  | 
   | 
$  | 
16  | 
 
  | 
 
  
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   | 
   | 
December 31, 2016  | 
 
   | 
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   | 
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Gross Amounts Not Offset in the Balance Sheet  | 
   | 
   | 
 
(In Millions)  | 
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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  | 
   | 
$  | 
433  | 
 
  | 
   | 
$  | 
—  | 
 
  | 
   | 
$  | 
433  | 
 
  | 
   | 
$  | 
(368  | 
)  | 
   | 
$  | 
(42  | 
)  | 
   | 
$  | 
23  | 
 
  | 
 
Reverse repurchase agreements  | 
   | 
1,018  | 
 
  | 
   | 
—  | 
 
  | 
   | 
1,018  | 
 
  | 
   | 
—  | 
 
  | 
   | 
(1,018  | 
)  | 
   | 
—  | 
 
  | 
 
Total assets  | 
   | 
1,451  | 
 
  | 
   | 
—  | 
 
  | 
   | 
1,451  | 
 
  | 
   | 
(368  | 
)  | 
   | 
(1,060  | 
)  | 
   | 
23  | 
 
  | 
 
Liabilities:  | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
   | 
 
Derivative liabilities subject to master netting arrangements  | 
   | 
588  | 
 
  | 
   | 
—  | 
 
  | 
   | 
588  | 
 
  | 
   | 
(368  | 
)  | 
   | 
(201  | 
)  | 
   | 
19  | 
 
  | 
 
Total liabilities  | 
   | 
$  | 
588  | 
 
  | 
   | 
$  | 
—  | 
 
  | 
   | 
$  | 
588  | 
 
  | 
   | 
$  | 
(368  | 
)  | 
   | 
$  | 
(201  | 
)  | 
   | 
$  | 
19  | 
 
  | 
 
  
 
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| Not Designated as Hedging Instrument [Member] | 
 
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| Derivative [Line Items] | 
 
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| 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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Three Months Ended  | 
 
(In Millions)  | 
   | 
 Location of Gains (Losses) 
Recognized in Income on Derivatives 
 | 
   | 
Apr 1,  2017  | 
   | 
Apr 2,  2016  | 
 
Foreign currency contracts  | 
   | 
Interest and other, net  | 
   | 
$  | 
(160  | 
)  | 
   | 
$  | 
(238  | 
)  | 
 
Other  | 
   | 
Various  | 
   | 
56  | 
 
  | 
   | 
4  | 
 
  | 
 
Total  | 
   | 
   | 
   | 
$  | 
(104  | 
)  | 
   | 
$  | 
(234  | 
)  | 
 
  
 
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| Interest and other, net [Member] | Fair Value Hedging [Member] | 
 
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| Derivative [Line Items] | 
 
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| 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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   | 
   | 
Three Months Ended  | 
 
(In Millions)  | 
   | 
Apr 1,  2017  | 
   | 
Apr 2,  2016  | 
 
Interest rate contracts  | 
   | 
$  | 
(14  | 
)  | 
   | 
$  | 
162  | 
 
  | 
 
Hedged items  | 
   | 
14  | 
 
  | 
   | 
(162  | 
)  | 
 
Total  | 
   | 
$  | 
—  | 
 
  | 
   | 
$  | 
—  | 
 
  | 
 
  
  
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