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Financial Instruments - Balance Sheet Grouping (Detail) - USD ($) $ in Millions | Oct. 01, 2017 | Dec. 31, 2016
--- | --- | ---
Assets |  |  |
Selected financial assets |  | $ 22,815 | $ 24,175
Liabilities |  |  |
Selected financial liabilities |  | 45,124 | 43,750
Cash and Cash Equivalents [Member] |  |  |
Assets |  |  |
Selected financial assets |  | 526 | 547
Short-term Investments [Member] |  |  |
Assets |  |  |
Selected financial assets |  | 14,146 | 15,255
Other Current Assets [Member] |  |  |
Assets |  |  |
Selected financial assets | [1] | 288 | 567
Long-term Investments [Member] |  |  |
Assets |  |  |
Selected financial assets |  | 7,311 | 7,116
Other Noncurrent Assets [Member] |  |  |
Assets |  |  |
Selected financial assets | [2] | 543 | 689
Short-Term Borrowings, Including Current Portion of Long-Term Debt [Member] |  |  |
Liabilities |  |  |
Selected financial liabilities |  | 9,448 | 10,688
Other Current Liabilities [Member] |  |  |
Liabilities |  |  |
Selected financial liabilities | [3] | 277 | 443
Long-term debt [Member] |  |  |
Liabilities |  |  |
Selected financial liabilities |  | 34,503 | 31,398
Other Noncurrent Liabilities [Member] |  |  |
Liabilities |  |  |
Selected financial liabilities | [4] | $ 896 | $ 1,222
[1] | As of October 1, 2017, derivative instruments at fair value include interest rate swaps ($97 million), foreign currency swaps ($86 million) and foreign currency forward-exchange contracts ($105 million) and, as of December 31, 2016, include interest rate swaps ($26 million), foreign currency swaps ($43 million) and foreign currency forward-exchange contracts ($497 million).
[2] | As of October 1, 2017, derivative instruments at fair value include interest rate swaps ($532 million), foreign currency swaps ($6 million) and foreign currency forward-exchange contracts ($5 million) and, as of December 31, 2016, include interest rate swaps ($599 million), foreign currency swaps ($36 million) and foreign currency forward-exchange contracts ($54 million).
[3] | As of October 1, 2017, derivative instruments at fair value include foreign currency forward-exchange contracts ($276 million) and interest rate swaps ($1 million) and, as of December 31, 2016, include interest rate swaps ($1 million), foreign currency swaps ($300 million) and foreign currency forward-exchange contracts ($143 million).
[4] | As of October 1, 2017, derivative instruments at fair value include interest rate swaps ($153 million), foreign currency swaps ($710 million) and foreign currency forward-exchange contracts ($33 million) and, as of December 31, 2016, include interest rate swaps ($147 million) and foreign currency swaps ($1.1 billion).

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