Annual report pursuant to Section 13 and 15(d)

Fair Value (Detail)

v3.3.1.900
Fair Value (Detail) - USD ($)
$ in Millions
 1 Months Ended 12 Months Ended
Jan. 31, 2011
Dec. 26, 2015
Dec. 27, 2014
Dec. 28, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Trading assets   $ 7,323 $ 9,063  
Loans receivable   794 971  
Non-marketable cost method investments   2,933 1,769  
Reverse repurchase agreements   3,368 718  
Long-term debt   20,036 12,059  
NVIDIA Corporation cross-license agreement liability [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Loss Contingency, Cross License Annual Payment Amount, 2015-2016 $ 200      
Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Assets, Fair Value Disclosure   32,662 23,708  
Liabilities, Fair Value Disclosure   245 580  
Fair Value, Measurements, Nonrecurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Fair Value, Non-Marketable Equity Investments, Gains (Losses)   (160) (128) $ (106)
Cash Equivalents [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Reverse Repurchase Agreements, Fair Value Disclosure   2,368 268  
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   445 561  
Loans Receivable, Fair Value Disclosure   137 505  
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   40 57  
Loans Receivable, Fair Value Disclosure   342 216  
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   212 563  
Other Noncurrent 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   33 17  
Corporate debt | Cash Equivalents [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Investments, Fair Value Disclosure   1,829 48  
Corporate debt | Short-Term Investments [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Investments, Fair Value Disclosure   1,120 806  
Corporate debt | Trading Assets [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Trading assets   2,308 2,964  
Corporate debt | Other Long-Term Investments [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Investments, Fair Value Disclosure   1,208 1,194  
Financial institution instruments | Cash Equivalents [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Investments, Fair Value Disclosure   9,515 1,440  
Financial institution instruments | Short-Term Investments [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Investments, Fair Value Disclosure   1,072 1,199  
Financial institution instruments | Trading Assets [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Trading assets   1,631 1,759  
Financial institution instruments | Other Long-Term Investments [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Investments, Fair Value Disclosure   552 508  
Government debt | Cash Equivalents [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Investments, Fair Value Disclosure   130 0  
Government debt | Short-Term Investments [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Investments, Fair Value Disclosure   490 425  
Government debt | Trading Assets [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Trading assets   3,015 3,516  
Government debt | Other Long-Term Investments [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Investments, Fair Value Disclosure   127 315  
Asset-backed securities | Trading Assets [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Trading assets   369 824  
Asset-backed securities | Other Long-Term Investments [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Investments, Fair Value Disclosure   4 6  
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   5,960 7,097  
Corporate Debt, Financial Institution Instruments, Government Debt, And Marketable Equity Securities [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Fair Value, Assets, Level 1 to Level 2 Transfers, Amount   628 177  
Fair Value, Assets, Level 2 to Level 1 Transfers, Amount   403 395  
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   19,145 13,965  
Liabilities, Fair Value Disclosure   2 0  
Level 1 [Member] | Cash Equivalents [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Reverse Repurchase Agreements, 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   32 0  
Loans Receivable, 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   2 0  
Level 1 [Member] | Other Noncurrent 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] | Corporate debt | Cash Equivalents [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] | Corporate debt | Short-Term Investments [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Investments, Fair Value Disclosure   336 363  
Level 1 [Member] | Corporate debt | Trading Assets [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Trading assets   1,744 2,625  
Level 1 [Member] | Corporate debt | Other Long-Term Investments [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Investments, Fair Value Disclosure   407 453  
Level 1 [Member] | Financial institution instruments | Cash Equivalents [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Investments, Fair Value Disclosure   8,238 321  
Level 1 [Member] | Financial institution instruments | Short-Term Investments [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Investments, Fair Value Disclosure   145 149  
Level 1 [Member] | Financial institution instruments | Trading Assets [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Trading assets   930 1,146  
Level 1 [Member] | Financial institution instruments | Other Long-Term Investments [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Investments, Fair Value Disclosure   171 189  
Level 1 [Member] | Government debt | Cash Equivalents [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] | Government debt | Short-Term Investments [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Investments, Fair Value Disclosure   65 252  
Level 1 [Member] | Government debt | Trading Assets [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Trading assets   1,107 1,295  
Level 1 [Member] | Government debt | Other Long-Term Investments [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Investments, Fair Value Disclosure   79 75  
Level 1 [Member] | Asset-backed securities | Trading Assets [Member] | 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] | Asset-backed securities | Other Long-Term Investments [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] | 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   5,891 7,097  
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   13,388 9,613  
Liabilities, Fair Value Disclosure   243 580  
Level 2 [Member] | Cash Equivalents [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Reverse Repurchase Agreements, Fair Value Disclosure   2,368 268  
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   412 559  
Loans Receivable, Fair Value Disclosure   137 505  
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   30 35  
Loans Receivable, Fair Value Disclosure   342 216  
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   210 563  
Level 2 [Member] | Other Noncurrent 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   33 17  
Level 2 [Member] | Corporate debt | Cash Equivalents [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Investments, Fair Value Disclosure   1,829 48  
Level 2 [Member] | Corporate debt | Short-Term Investments [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Investments, Fair Value Disclosure   764 412  
Level 2 [Member] | Corporate debt | Trading Assets [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Trading assets   564 339  
Level 2 [Member] | Corporate debt | Other Long-Term Investments [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Investments, Fair Value Disclosure   801 728  
Level 2 [Member] | Financial institution instruments | Cash Equivalents [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Investments, Fair Value Disclosure   1,277 1,119  
Level 2 [Member] | Financial institution instruments | Short-Term Investments [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Investments, Fair Value Disclosure   927 1,050  
Level 2 [Member] | Financial institution instruments | Trading Assets [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Trading assets   701 613  
Level 2 [Member] | Financial institution instruments | Other Long-Term Investments [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Investments, Fair Value Disclosure   381 319  
Level 2 [Member] | Government debt | Cash Equivalents [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Investments, Fair Value Disclosure   130 0  
Level 2 [Member] | Government debt | Short-Term Investments [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Investments, Fair Value Disclosure   425 173  
Level 2 [Member] | Government debt | Trading Assets [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Trading assets   1,908 2,221  
Level 2 [Member] | Government debt | Other Long-Term Investments [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Investments, Fair Value Disclosure   48 240  
Level 2 [Member] | Asset-backed securities | Trading Assets [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Trading assets   275 766  
Level 2 [Member] | Asset-backed securities | Other Long-Term Investments [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Investments, Fair Value Disclosure   0 2  
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   69 0  
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   129 130  
Liabilities, Fair Value Disclosure   0 0  
Level 3 [Member] | Cash Equivalents [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Reverse Repurchase Agreements, 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   1 2  
Loans Receivable, 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   10 22  
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 Noncurrent 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] | Corporate debt | Cash Equivalents [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] | Corporate debt | Short-Term Investments [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Investments, Fair Value Disclosure   20 31  
Level 3 [Member] | Corporate debt | Trading Assets [Member] | 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] | Corporate debt | Other Long-Term Investments [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Investments, Fair Value Disclosure   0 13  
Level 3 [Member] | Financial institution instruments | Cash Equivalents [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] | Financial institution instruments | Short-Term Investments [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] | Financial institution instruments | Trading Assets [Member] | 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 | Other Long-Term Investments [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] | Government debt | Cash Equivalents [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] | Government debt | Short-Term Investments [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] | Government debt | Trading Assets [Member] | 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 | Other Long-Term Investments [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] | Asset-backed securities | Trading Assets [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Trading assets   94 58  
Level 3 [Member] | Asset-backed securities | Other Long-Term Investments [Member] | Fair Value, Measurements, Recurring [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Investments, Fair Value Disclosure   4 4  
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  
Carrying Value [Member] | Not Recorded At Fair Value On Recurring Basis [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Grants Receivable   593 676  
Loans receivable   315 250  
Non-marketable cost method investments   2,933 1,769  
Reverse repurchase agreements   1,000 450  
Short-term Debt   2,593 1,580  
Long-term debt   20,036 12,059  
Carrying Value [Member] | Not Recorded At Fair Value On Recurring Basis [Member] | NVIDIA Corporation cross-license agreement liability [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Notes Payable   199 395  
Fair Value [Member] | Not Recorded At Fair Value On Recurring Basis [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Grants Receivable, Fair Value Disclosure   600 679  
Loans receivable   315 250  
Cost Method Investments, Fair Value Disclosure   3,904 2,599  
Reverse repurchase agreements   1,000 450  
Short-term Debt, Fair Value   3,076 2,145  
Long-term debt   20,893 12,776  
Fair Value [Member] | Not Recorded At Fair Value On Recurring Basis [Member] | NVIDIA Corporation cross-license agreement liability [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Notes Payable, Fair Value Disclosure   200 399  
Fair Value [Member] | Level 1 [Member] | Not Recorded At Fair Value On Recurring Basis [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Grants Receivable, Fair Value Disclosure   0 0  
Loans receivable   0 0  
Cost Method Investments, Fair Value Disclosure   0 0  
Reverse repurchase agreements   0 0  
Short-term Debt, Fair Value   1,513 0  
Long-term debt   14,058 11,467  
Fair Value [Member] | Level 1 [Member] | Not Recorded At Fair Value On Recurring Basis [Member] | NVIDIA Corporation cross-license agreement liability [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Notes Payable, Fair Value Disclosure   0 0  
Fair Value [Member] | Level 2 [Member] | Not Recorded At Fair Value On Recurring Basis [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Grants Receivable, Fair Value Disclosure   600 679  
Loans receivable   315 250  
Cost Method Investments, Fair Value Disclosure   0 0  
Reverse repurchase agreements   1,000 450  
Short-term Debt, Fair Value   1,563 2,145  
Long-term debt   6,835 1,309  
Fair Value [Member] | Level 2 [Member] | Not Recorded At Fair Value On Recurring Basis [Member] | NVIDIA Corporation cross-license agreement liability [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Notes Payable, Fair Value Disclosure   200 399  
Fair Value [Member] | Level 3 [Member] | Not Recorded At Fair Value On Recurring Basis [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Grants Receivable, Fair Value Disclosure   0 0  
Loans receivable   0 0  
Cost Method Investments, Fair Value Disclosure   3,904 2,599  
Reverse repurchase agreements   0 0  
Short-term Debt, Fair Value   0 0  
Long-term debt   0 0  
Fair Value [Member] | Level 3 [Member] | Not Recorded At Fair Value On Recurring Basis [Member] | NVIDIA Corporation cross-license agreement liability [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Notes Payable, Fair Value Disclosure   $ 0 $ 0