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Fair Value Measurements - Summary of Derivative Activity (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2019 | Apr. 01, 2018 | Dec. 30, 2018
Summary of designated derivatives |  |  |
Gain/ (Loss) reclassified from Accumulated OCI into income | $ (96) | $ (178) |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax | (302) | (164) |
Interest Rate Contract |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative, Notional Amount | 500 |  | $ 500
Foreign exchange contracts |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Collateral Already Posted, Aggregate Fair Value | 60 |  |
Derivative, Notional Amount | 44,000 |  | 41,100
Cross currency interest rate swaps |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative, Notional Amount | 11,300 |  | $ 7,300
Fair Value Hedging | Interest Rate Contract | Sales to customers |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments | 0 | 0 |
Fair Value Hedging | Interest Rate Contract | Cost of products sold |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments | 0 | 0 |
Fair Value Hedging | Interest Rate Contract | Research and Development Expense |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments | 0 | 0 |
Fair Value Hedging | Interest Rate Contract | Other (income) expense |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments | 0 | 0 |
Fair Value Hedging | Interest Rate Contract | Interest (income)/Interest expense, net |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments | 1 | 5 |
Fair Value Hedging | Cross currency interest rate swaps | Sales to customers |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net | 0 | 0 |
Unrealized gain (loss) arising during period | 0 | 0 |
Fair Value Hedging | Cross currency interest rate swaps | Cost of products sold |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net | 0 | 0 |
Unrealized gain (loss) arising during period | 0 | 0 |
Fair Value Hedging | Cross currency interest rate swaps | Research and Development Expense |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net | 0 | 0 |
Unrealized gain (loss) arising during period | 0 | 0 |
Fair Value Hedging | Cross currency interest rate swaps | Other (income) expense |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net | 0 | 0 |
Unrealized gain (loss) arising during period | 0 | 0 |
Fair Value Hedging | Cross currency interest rate swaps | Interest (income)/Interest expense, net |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net | 38 | 0 |
Unrealized gain (loss) arising during period | 38 | 0 |
Fair Value Hedging | Designated as Hedging Instrument | Interest Rate Contract | Sales to customers |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments | 0 | 0 |
Fair Value Hedging | Designated as Hedging Instrument | Interest Rate Contract | Cost of products sold |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments | 0 | 0 |
Fair Value Hedging | Designated as Hedging Instrument | Interest Rate Contract | Research and Development Expense |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments | 0 | 0 |
Fair Value Hedging | Designated as Hedging Instrument | Interest Rate Contract | Other (income) expense |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments | 0 | 0 |
Fair Value Hedging | Designated as Hedging Instrument | Interest Rate Contract | Interest (income)/Interest expense, net |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments | (1) | (5) |
Cash Flow Hedging | Foreign exchange contracts | Sales to customers |  |  |
Summary of designated derivatives |  |  |
Gain/ (Loss) reclassified from Accumulated OCI into income | (21) | 29 |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax | (6) | 31 |
Cash Flow Hedging | Foreign exchange contracts | Cost of products sold |  |  |
Summary of designated derivatives |  |  |
Gain/ (Loss) reclassified from Accumulated OCI into income | (35) | 2 |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax | (296) | 3 |
Cash Flow Hedging | Foreign exchange contracts | Research and Development Expense |  |  |
Summary of designated derivatives |  |  |
Gain/ (Loss) reclassified from Accumulated OCI into income | (139) | (238) |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax | (110) | (237) |
Cash Flow Hedging | Foreign exchange contracts | Other (income) expense |  |  |
Summary of designated derivatives |  |  |
Gain/ (Loss) reclassified from Accumulated OCI into income | 6 | (11) |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax | 13 | (18) |
Cash Flow Hedging | Foreign exchange contracts | Interest (income)/Interest expense, net |  |  |
Summary of designated derivatives |  |  |
Gain/ (Loss) reclassified from Accumulated OCI into income | 0 | 0 |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax | 0 | 0 |
Cash Flow Hedging | Cross currency interest rate swaps | Sales to customers |  |  |
Summary of designated derivatives |  |  |
Gain/ (Loss) reclassified from Accumulated OCI into income | 0 | 0 |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax | 0 | 0 |
Cash Flow Hedging | Cross currency interest rate swaps | Cost of products sold |  |  |
Summary of designated derivatives |  |  |
Gain/ (Loss) reclassified from Accumulated OCI into income | 0 | 0 |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax | 0 | 0 |
Cash Flow Hedging | Cross currency interest rate swaps | Research and Development Expense |  |  |
Summary of designated derivatives |  |  |
Gain/ (Loss) reclassified from Accumulated OCI into income | 0 | 0 |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax | 0 | 0 |
Cash Flow Hedging | Cross currency interest rate swaps | Other (income) expense |  |  |
Summary of designated derivatives |  |  |
Gain/ (Loss) reclassified from Accumulated OCI into income | 0 | 0 |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax | 0 | 0 |
Cash Flow Hedging | Cross currency interest rate swaps | Interest (income)/Interest expense, net |  |  |
Summary of designated derivatives |  |  |
Gain/ (Loss) reclassified from Accumulated OCI into income | 55 | 40 |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax | $ 59 | $ 57 |

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