Derivative and Other Financial Instruments (Narrative) (Details)
|
3 Months Ended |
9 Months Ended |
|
|
Oct. 02, 2016
USD ($)
Swap
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Sep. 27, 2015
USD ($)
|
Oct. 02, 2016
USD ($)
Swap
|
Sep. 27, 2015
USD ($)
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Dec. 31, 2015
USD ($)
Swap
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| Derivative and Other Financial Instruments |
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|
|
|
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| Short-term investments |
$ 462,000,000
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|
$ 462,000,000
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|
$ 872,000,000
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| Average maturity of short-term investments |
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|
3 months
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|
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| Sales of short-term investments |
0
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$ 0
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$ 0
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$ 209,000,000
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| Maximum [Member] |
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|
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| Derivative and Other Financial Instruments |
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| Foreign currency forward contracts, off-set or netting provisions, fair value of counterparty default exposure |
1,000,000
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|
1,000,000
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|
$ 1,000,000
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| Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax |
$ (1,000,000)
|
$ (1,000,000)
|
$ 1,000,000
|
1,000,000
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| Realized gain on sales of short-term investments |
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|
|
$ 1,000,000
|
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| Interest Rate Swap [Member] |
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|
|
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| Derivative and Other Financial Instruments |
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|
|
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| Interest rate swaps outstanding | Swap |
0
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|
0
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|
0
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| Foreign Exchange Forward [Member] |
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| Derivative and Other Financial Instruments |
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|
|
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| Derivative Asset |
$ 49,000,000
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|
$ 49,000,000
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|
$ 9,000,000
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| Derivative Liability |
49,000,000
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|
49,000,000
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|
29,000,000
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| Notional Amount on foreign currency contracts |
1,619,000,000
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|
1,619,000,000
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|
1,076,000,000
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| Foreign Currency Forward Contracts Net Notional Exposure |
239,000,000
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|
239,000,000
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|
117,000,000
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| Fair Value, Inputs, Level 2 [Member] |
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|
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| Derivative and Other Financial Instruments |
|
|
|
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| Short-term investments |
$ 462,000,000
|
|
$ 462,000,000
|
|
$ 872,000,000
|