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Financial Instruments (Fair Values of Financial Assets and Liabilities) (Details) - USD ($) $ in Millions | Dec. 29, 2018 | Dec. 30, 2017
--- | --- | ---
Derivatives, Fair Value [Line Items] |  |  |
Short-term Investments |  | $ 272 | $ 8,900
Total asset derivatives at fair value | [1],[2] | 55 | 136
Total liability derivatives at fair value | [1],[2] | 568 | 410
Total Financial Assets at Fair Value | [2] | 3,931 | 14,901
Total Financial Liabilities at Fair Value | [2] | 1,018 | 913
Derivatives Designated As Cash Flow Hedging Instruments Assets [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Derivatives designated as hedging instruments, Assets, Total | [2] | 44 | 17
Derivatives Designated As Cash Flow Hedging Instruments Liabilities [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Derivatives designated as hedging instruments, Liabilities, Total | [2] | 341 | 246
Derivatives Not Designated As Hedging Instruments Assets [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Derivatives not designated as hedging instruments, Assets, Total | [2] | 10 | 95
Derivatives Not Designated As Hedging Instruments Liabilities [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Other Derivatives Not Designated as Hedging Instruments Liabilities at Fair Value | [2] | 119 | 34
Cash and Cash Equivalents [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Debt Securities, Available-for-sale |  |  | 5,800
Short-term Investments [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Debt Securities, Available-for-sale |  |  | 8,700
Fair Value, Inputs, Level 1 [Member] | Derivatives Designated As Cash Flow Hedging Instruments Assets [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Commodity contracts - other | [2],[3] | 0 | 0
Fair Value, Inputs, Level 1 [Member] | Derivatives Designated As Cash Flow Hedging Instruments Liabilities [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Commodity contracts - other | [2],[3] | 1 | 2
Fair Value, Inputs, Level 1 [Member] | Derivatives Not Designated As Hedging Instruments Assets [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Commodity contracts - other | [2],[3] | 2 | 0
Fair Value, Inputs, Level 1 [Member] | Derivatives Not Designated As Hedging Instruments Liabilities [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Commodity contracts - other | [2],[3] | 17 | 19
Fair Value, Inputs, Level 1 [Member] | Assets [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Short-term Investments | [2],[4] | 196 | 228
Fair Value, Inputs, Level 1 [Member] | Liability [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Short-term Investments | [2],[4] | 0 | 0
Fair Value, Inputs, Level 2 [Member] | Derivatives Designated As Fair Value Hedging Instruments Assets [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Interest rate derivatives | [2],[5] | 1 | 24
Fair Value, Inputs, Level 2 [Member] | Derivatives Designated As Fair Value Hedging Instruments Liabilities [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Interest rate derivatives | [2],[5] | 108 | 130
Fair Value, Inputs, Level 2 [Member] | Derivatives Designated As Cash Flow Hedging Instruments Assets [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Foreign Exchange Forward contracts | [2],[6] | 44 | 15
Interest rate derivatives | [2],[6] | 0 | 0
Commodity contracts - other | [2],[7] | 0 | 2
Fair Value, Inputs, Level 2 [Member] | Derivatives Designated As Cash Flow Hedging Instruments Liabilities [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Foreign Exchange Forward contracts | [2],[6] | 14 | 31
Interest rate derivatives | [2],[6] | 323 | 213
Commodity contracts - other | [2],[7] | 3 | 0
Fair Value, Inputs, Level 2 [Member] | Derivatives Not Designated As Hedging Instruments Assets [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Foreign Exchange Forward contracts | [2],[6] | 3 | 10
Commodity contracts - other | [2],[7] | 5 | 85
Fair Value, Inputs, Level 2 [Member] | Derivatives Not Designated As Hedging Instruments Liabilities [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Foreign Exchange Forward contracts | [2],[6] | 10 | 3
Commodity contracts - other | [2],[7] | 92 | 12
Fair Value, Inputs, Level 2 [Member] | Assets [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Debt Securities, Available-for-sale | [2],[8] | 3,658 | 14,510
Fair Value, Inputs, Level 2 [Member] | Liability [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Debt Securities, Available-for-sale | [2],[8] | 0 | 0
Fair Value, Inputs, Level 2 [Member] | Assets [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Prepaid Forward Asset Fair Value | [2],[9] | 22 | 27
Deferred compensation | [2],[10] | 0 | 0
Fair Value, Inputs, Level 2 [Member] | Liability [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Prepaid Forward Asset Fair Value | [2],[9] | 0 | 0
Deferred compensation | [2],[10] | $ 450 | $ 503
[1] | Derivative assets and liabilities are presented on a gross basis on our balance sheet. Amounts subject to enforceable master netting arrangements or similar agreements which are not offset on the balance sheet as of December 29, 2018 and December 30, 2017 were not material. Collateral received or posted against any of our asset or liability positions were not material. Collateral posted is classified as restricted cash. See Note 13 for further information.
[2] | Fair value hierarchy levels are defined in Note 7. Unless otherwise noted, financial assets are classified on our balance sheet within prepaid expenses and other current assets and other assets. Financial liabilities are classified on our balance sheet within accounts payable and other current liabilities and other liabilities.
[3] | Based on quoted contract prices on futures exchange markets.
[4] | Based on the price of index funds. These investments are classified as short-term investments and are used to manage a portion of market risk arising from our deferred compensation liability.
[5] | Based on LIBOR forward rates.
[6] | Based on recently reported market transactions of spot and forward rates.
[7] | Based on recently reported market transactions of swap arrangements.
[8] | Based on quoted broker prices or other significant inputs derived from or corroborated by observable market data. As of December 29, 2018, these debt securities were primarily classified as cash equivalents. As of December 30, 2017, $5.8 billion and $8.7 billion of debt securities were classified as cash equivalents and short-term investments, respectively.
[9] | Based primarily on the price of our common stock.
[10] | Based on the fair value of investments corresponding to employees’ investment elections.

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