Annual report pursuant to Section 13 and 15(d)

Fair Value (Detail)

v3.8.0.1
Fair Value (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 30, 2017
Dec. 31, 2016
Dec. 26, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Trading assets $ 8,755 $ 8,314  
Derivative Assets, Fair Value Disclosure 350 433  
Derivative Financial Instruments, Liabilities, Fair Value Disclosure 745 588  
Other than Temporary Impairment Losses, Investments 833 187 $ 185
Non-marketable cost method investments 2,613 3,098  
Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets, Fair Value Disclosure 21,970 27,748  
Liabilities, Fair Value Disclosure 757 583  
Fair Value, Measurements, Nonrecurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Non-marketable cost method investments, Fair Value 3,600 3,900  
Fair Value, Measurements, Nonrecurring [Member] | Carrying Value [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Grants Receivable 935 876  
Non-marketable cost method investments 2,613 3,098  
Corporate debt | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Trading assets 2,842 2,847  
Financial institution instruments | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Trading assets 1,123 1,644  
Government debt | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Trading assets 4,788 3,736  
Asset-backed securities | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Trading assets 2 87  
Marketable equity securities | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 4,192 6,180  
Cost-method Investments [Member] | Fair Value, Measurements, Nonrecurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Other than Temporary Impairment Losses, Investments (537) 153 $ 160
Cash Equivalents [Member] | Corporate debt | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 30 498  
Cash Equivalents [Member] | Financial institution instruments | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 975 2,731  
Cash Equivalents [Member] | Government debt | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 90 332  
Cash Equivalents [Member] | Repurchase Agreements [Member] | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 1,399 768  
Short-Term Investments [Member] | Corporate debt | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 675 1,338  
Short-Term Investments [Member] | Financial institution instruments | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 1,009 1,603  
Short-Term Investments [Member] | Government debt | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 130 284  
Other Current Assets [Member] | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Assets, Fair Value Disclosure 279 382  
Loans Receivable, Fair Value Disclosure 30 326  
Other Long-Term Investments [Member] | Corporate debt | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 1,580 2,001  
Other Long-Term Investments [Member] | Financial institution instruments | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 1,397 1,758  
Other Long-Term Investments [Member] | Government debt | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 735 957  
Other Long-Term Assets [Member] | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Assets, Fair Value Disclosure 84 40  
Loans Receivable, Fair Value Disclosure 610 236  
Other Accrued Liabilities [Member] | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Financial Instruments, Liabilities, Fair Value Disclosure 454 371  
Other long-term liabilities [Member] | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Financial Instruments, Liabilities, Fair Value Disclosure 303 212  
Level 1 [Member] | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets, Fair Value Disclosure 4,574 8,168  
Liabilities, Fair Value Disclosure 0 0  
Level 1 [Member] | Corporate debt | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Trading assets 0 0  
Level 1 [Member] | Financial institution instruments | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Trading assets 59 36  
Level 1 [Member] | Government debt | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Trading assets 30 32  
Level 1 [Member] | Asset-backed securities | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Trading assets 0 0  
Level 1 [Member] | Marketable equity securities | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 4,148 6,180  
Level 1 [Member] | Cash Equivalents [Member] | Corporate debt | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 0 0  
Level 1 [Member] | Cash Equivalents [Member] | Financial institution instruments | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 335 1,920  
Level 1 [Member] | Cash Equivalents [Member] | Government debt | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 0 0  
Level 1 [Member] | Cash Equivalents [Member] | Repurchase Agreements [Member] | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 0 0  
Level 1 [Member] | Short-Term Investments [Member] | Corporate debt | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 0 0  
Level 1 [Member] | Short-Term Investments [Member] | Financial institution instruments | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 0 0  
Level 1 [Member] | Short-Term Investments [Member] | Government debt | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 0 0  
Level 1 [Member] | Other Current Assets [Member] | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Assets, Fair Value Disclosure 2 0  
Loans Receivable, Fair Value Disclosure 0 0  
Level 1 [Member] | Other Long-Term Investments [Member] | Corporate debt | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 0 0  
Level 1 [Member] | Other Long-Term Investments [Member] | Financial institution instruments | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 0 0  
Level 1 [Member] | Other Long-Term Investments [Member] | Government debt | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 0 0  
Level 1 [Member] | Other Long-Term Assets [Member] | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Assets, Fair Value Disclosure 0 0  
Loans Receivable, Fair Value Disclosure 0 0  
Level 1 [Member] | Other Accrued Liabilities [Member] | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Financial Instruments, Liabilities, Fair Value Disclosure 0 0  
Level 1 [Member] | Other long-term liabilities [Member] | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Financial Instruments, Liabilities, Fair Value Disclosure 0 0  
Level 2 [Member] | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets, Fair Value Disclosure 17,382 19,559  
Liabilities, Fair Value Disclosure 751 550  
Level 2 [Member] | Corporate debt | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Trading assets 2,842 2,847  
Level 2 [Member] | Financial institution instruments | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Trading assets 1,064 1,608  
Level 2 [Member] | Government debt | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Trading assets 4,758 3,704  
Level 2 [Member] | Asset-backed securities | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Trading assets 2 87  
Level 2 [Member] | Marketable equity securities | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 44 0  
Level 2 [Member] | Cash Equivalents [Member] | Corporate debt | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 30 498  
Level 2 [Member] | Cash Equivalents [Member] | Financial institution instruments | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 640 811  
Level 2 [Member] | Cash Equivalents [Member] | Government debt | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 90 332  
Level 2 [Member] | Cash Equivalents [Member] | Repurchase Agreements [Member] | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 1,399 768  
Level 2 [Member] | Short-Term Investments [Member] | Corporate debt | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 672 1,332  
Level 2 [Member] | Short-Term Investments [Member] | Financial institution instruments | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 1,009 1,603  
Level 2 [Member] | Short-Term Investments [Member] | Government debt | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 130 284  
Level 2 [Member] | Other Current Assets [Member] | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Assets, Fair Value Disclosure 277 382  
Loans Receivable, Fair Value Disclosure 30 326  
Level 2 [Member] | Other Long-Term Investments [Member] | Corporate debt | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 1,576 1,995  
Level 2 [Member] | Other Long-Term Investments [Member] | Financial institution instruments | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 1,397 1,758  
Level 2 [Member] | Other Long-Term Investments [Member] | Government debt | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 735 957  
Level 2 [Member] | Other Long-Term Assets [Member] | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Assets, Fair Value Disclosure 77 31  
Loans Receivable, Fair Value Disclosure 610 236  
Level 2 [Member] | Other Accrued Liabilities [Member] | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Financial Instruments, Liabilities, Fair Value Disclosure 454 371  
Level 2 [Member] | Other long-term liabilities [Member] | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Financial Instruments, Liabilities, Fair Value Disclosure 297 179  
Level 3 [Member] | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets, Fair Value Disclosure 14 21  
Liabilities, Fair Value Disclosure 6 33  
Level 3 [Member] | Corporate debt | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Trading assets 0 0  
Level 3 [Member] | Financial institution instruments | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Trading assets 0 0  
Level 3 [Member] | Government debt | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Trading assets 0 0  
Level 3 [Member] | Asset-backed securities | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Trading assets 0 0  
Level 3 [Member] | Marketable equity securities | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 0 0  
Level 3 [Member] | Cash Equivalents [Member] | Corporate debt | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 0 0  
Level 3 [Member] | Cash Equivalents [Member] | Financial institution instruments | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 0 0  
Level 3 [Member] | Cash Equivalents [Member] | Government debt | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 0 0  
Level 3 [Member] | Cash Equivalents [Member] | Repurchase Agreements [Member] | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 0 0  
Level 3 [Member] | Short-Term Investments [Member] | Corporate debt | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 3 6  
Level 3 [Member] | Short-Term Investments [Member] | Financial institution instruments | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 0 0  
Level 3 [Member] | Short-Term Investments [Member] | Government debt | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 0 0  
Level 3 [Member] | Other Current Assets [Member] | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Assets, Fair Value Disclosure 0 0  
Loans Receivable, Fair Value Disclosure 0 0  
Level 3 [Member] | Other Long-Term Investments [Member] | Corporate debt | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 4 6  
Level 3 [Member] | Other Long-Term Investments [Member] | Financial institution instruments | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 0 0  
Level 3 [Member] | Other Long-Term Investments [Member] | Government debt | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 0 0  
Level 3 [Member] | Other Long-Term Assets [Member] | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Assets, Fair Value Disclosure 7 9  
Loans Receivable, Fair Value Disclosure 0 0  
Level 3 [Member] | Other Accrued Liabilities [Member] | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Financial Instruments, Liabilities, Fair Value Disclosure 0 0  
Level 3 [Member] | Other long-term liabilities [Member] | Fair Value, Measurements, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative Financial Instruments, Liabilities, Fair Value Disclosure $ 6 $ 33