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Fair Value Measurements - Summary of Derivative Activity (Details) - Designated as Hedging Instrument - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Oct. 02, 2016 | Sep. 27, 2015 | Oct. 02, 2016 | Sep. 27, 2015
Summary of designated derivatives |  |  |  |  |
Gain/ (Loss) recognized in Accumulated OCI | [1] | $ 4 | $ 160 | $ (437) | $ 26
Gain/ (Loss) reclassified from Accumulated OCI into income | [1] | 3 | (38) | (109) | 37
Gain/ (Loss) recognized in Other income/expense | [2] | (4) | (3) | (14) | 10
Foreign exchange contracts | Sales to customers |  |  |  |  |
Summary of designated derivatives |  |  |  |  |
Gain/ (Loss) recognized in Accumulated OCI | [1],[3] | (12) | 3 | (39) | (52)
Gain/ (Loss) reclassified from Accumulated OCI into income | [1],[3] | (8) | (24) | (29) | (95)
Gain/ (Loss) recognized in Other income/expense | [2],[3] | (1) | (3) | (1) | (5)
Foreign exchange contracts | Cost of products sold |  |  |  |  |
Summary of designated derivatives |  |  |  |  |
Gain/ (Loss) recognized in Accumulated OCI | [1],[3] | (4) | 222 | (226) | 106
Gain/ (Loss) reclassified from Accumulated OCI into income | [1],[3] | 13 | (34) | 5 | 82
Gain/ (Loss) recognized in Other income/expense | [2],[3] | (4) | 1 | (10) | 15
Foreign exchange contracts | Research and development expense |  |  |  |  |
Summary of designated derivatives |  |  |  |  |
Gain/ (Loss) recognized in Accumulated OCI | [1],[3] | (5) | (10) | (100) | (13)
Gain/ (Loss) reclassified from Accumulated OCI into income | [1],[3] | (2) | 7 | (98) | (2)
Gain/ (Loss) recognized in Other income/expense | [2],[3] | 1 | 0 | 0 | 0
Foreign exchange contracts | Other (income) expense, net |  |  |  |  |
Summary of designated derivatives |  |  |  |  |
Gain/ (Loss) recognized in Accumulated OCI | [1],[3],[4] | (4) | (42) | (110) | 27
Gain/ (Loss) reclassified from Accumulated OCI into income | [1],[3],[4] | (12) | 12 | (14) | 54
Gain/ (Loss) recognized in Other income/expense | [2],[3],[4] | 0 | (1) | (3) | 0
Cross currency interest rate swaps | Interest (income)/Interest expense, net |  |  |  |  |
Summary of designated derivatives |  |  |  |  |
Gain/ (Loss) recognized in Accumulated OCI | [1],[5] | 29 | (13) | 38 | (42)
Gain/ (Loss) reclassified from Accumulated OCI into income | [1],[5] | 12 | 1 | 27 | (2)
Gain/ (Loss) recognized in Other income/expense | [2],[5] | $ 0 | $ 0 | $ 0 | $ 0
[1] | Effective portion
[2] | Ineffective portion
[3] | Forward foreign exchange contracts
[4] | Includes equity collar contracts
[5] | Cross currency interest rate swaps

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- Definition The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4D -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624177-113959 + Details
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- Definition The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959 + Details
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