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Fair Values of Financial Assets and Liabilities (Detail) - USD ($) $ in Millions | Mar. 24, 2018 | Dec. 30, 2017
--- | --- | ---
Derivatives, Fair Value [Line Items] |  |  |
Total Financial Assets At Fair Value | [1] | $ 15,536 | $ 14,901
Total Financial Liabilities At Fair Value | [1] | 884 | 913
Derivative Asset, Fair Value, Gross Asset | [1],[2] | 76 | 136
Derivative Liability, Fair Value, Gross Liability | [1],[2] | 399 | 410
Short-term Investments |  | 7,167 | 8,900
Derivatives Designated As Cash Flow Hedging Instruments Assets [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Cash Flow Hedge Derivative Instrument Assets at Fair Value | [1] | 15 | 17
Derivatives Designated As Cash Flow Hedging Instruments Liabilities [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Cash Flow Hedge Derivative Instrument Liabilities at Fair Value | [1] | 144 | 246
Derivatives Not Designated As Hedging Instruments Assets [Member] |  |  |
Derivatives not designated as hedging instruments: |  |  |
Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value | [1] | 55 | 95
Derivatives Not Designated As Hedging Instruments Liabilities [Member] |  |  |
Derivatives not designated as hedging instruments: |  |  |
Other Derivatives Not Designated as Hedging Instruments Liabilities at Fair Value | [1] | 32 | 34
Cash Equivalents [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Available-for-sale Securities, Debt Securities |  | 8,200 | 5,800
Short-term Investments [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Available-for-sale Securities, Debt Securities |  | 7,000 | 8,700
Fair Value, Inputs, Level 2 [Member] | Derivatives Designated As Fair Value Hedging Instruments Assets [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Interest Rate Fair Value Hedge Asset at Fair Value | [1],[3] | 6 | 24
Fair Value, Inputs, Level 2 [Member] | Derivatives Designated As Fair Value Hedging Instruments Liabilities [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Interest Rate Fair Value Hedge Liability at Fair Value | [1],[3] | 223 | 130
Fair Value, Inputs, Level 2 [Member] | Derivatives Designated As Cash Flow Hedging Instruments Assets [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Price Risk Cash Flow Hedge Asset, at Fair Value | [1],[4] | 2 | 2
Interest Rate Cash Flow Hedge Asset at Fair Value | [1],[5] | 0 | 0
Foreign Currency Cash Flow Hedge Asset at Fair Value | [1],[5] | 13 | 15
Fair Value, Inputs, Level 2 [Member] | Derivatives Designated As Cash Flow Hedging Instruments Liabilities [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Price Risk Cash Flow Hedge Liability, at Fair Value | [1],[4] | 0 | 0
Interest Rate Cash Flow Hedge Liability at Fair Value | [1],[5] | 117 | 213
Foreign Currency Cash Flow Hedge Liability at Fair Value | [1],[5] | 27 | 31
Fair Value, Inputs, Level 2 [Member] | Derivatives Not Designated As Hedging Instruments Assets [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Price Risk Derivative Instruments Not Designated as Hedging Instruments Asset, at Fair Value | [1],[4] | 52 | 85
Derivatives not designated as hedging instruments: |  |  |
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value | [1],[5] | 0 | 10
Fair Value, Inputs, Level 2 [Member] | Derivatives Not Designated As Hedging Instruments Liabilities [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Price Risk Derivative Instruments Not Designated as Hedging Instruments Liability, at Fair Value | [1],[4] | 25 | 12
Derivatives not designated as hedging instruments: |  |  |
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value | [1],[5] | 0 | 3
Fair Value, Inputs, Level 2 [Member] | Liability [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Deferred Compensation Liability, Current and Noncurrent | [1],[6] | 485 | 503
Prepaid Forward Asset Fair Value | [1],[7] | 0 | 0
Fair Value, Inputs, Level 2 [Member] | Assets [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Deferred Compensation Liability, Current and Noncurrent | [1],[6] | 0 | 0
Prepaid Forward Asset Fair Value | [1],[7] | 21 | 27
Fair Value, Inputs, Level 1 [Member] | Derivatives Designated As Cash Flow Hedging Instruments Assets [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Price Risk Cash Flow Hedge Asset, at Fair Value | [1],[8] | 0 | 0
Fair Value, Inputs, Level 1 [Member] | Derivatives Designated As Cash Flow Hedging Instruments Liabilities [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Price Risk Cash Flow Hedge Liability, at Fair Value | [1],[8] | 0 | 2
Fair Value, Inputs, Level 1 [Member] | Derivatives Not Designated As Hedging Instruments Assets [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Price Risk Derivative Instruments Not Designated as Hedging Instruments Asset, at Fair Value | [1],[8] | 3 | 0
Fair Value, Inputs, Level 1 [Member] | Derivatives Not Designated As Hedging Instruments Liabilities [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Price Risk Derivative Instruments Not Designated as Hedging Instruments Liability, at Fair Value | [1],[8] | 7 | 19
Assets [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Available-for-sale Securities, Debt Securities | [1],[9] | 15,223 | 14,510
Liability [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Available-for-sale Securities, Debt Securities | [1],[9] | 0 | 0
Assets [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Short-term Investments | [1],[10] | 216 | 228
Liability [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Short-term Investments | [1],[10] | $ 0 | $ 0
[1] | 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.
[2] | Unless otherwise noted, 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 March 24, 2018 and December 30, 2017 were not material. Collateral received or posted against our asset or liability positions was not material. Collateral posted is classified as restricted cash. See Note 13 for further information.
[3] | Based on LIBOR forward rates.
[4] | Based on recently reported market transactions of swap arrangements.
[5] | Based on recently reported market transactions of spot and forward rates.
[6] | Based on the fair value of investments corresponding to employees’ investment elections.
[7] | Based primarily on the price of our common stock.
[8] | Based on quoted contract prices on futures exchange markets.
[9] | Based on quoted broker prices or other significant inputs derived from or corroborated by observable market data. As of March 24, 2018, $8.2 billion and $7.0 billion of debt securities were classified as cash equivalents and short-term investments, respectively. 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. Unrealized gains and losses on our investments in debt securities as of March 24, 2018 and December 30, 2017 were not material. All of our available-for-sale debt securities have maturities of one year or less.
[10] | 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.

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