Fair Value (Detail) (USD $) | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Mar. 30, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 | Mar. 29, 2014 | Dec. 28, 2013 |
In Millions, unless otherwise specified | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Measurements, Nonrecurring [Member] | Cash Equivalents [Member] | Cash Equivalents [Member] | Other Current Assets [Member] | Other Current Assets [Member] | Other Long-Term Assets [Member] | Other Long-Term Assets [Member] | Other Accrued Liabilities [Member] | Other Accrued Liabilities [Member] | Other Long-Term Liabilities [Member] | Other Long-Term Liabilities [Member] | Carrying Amount [Member] | Carrying Amount [Member] | Carrying Amount [Member] | Carrying Amount [Member] | Fair Value [Member] | Fair Value [Member] | Fair Value [Member] | Fair Value [Member] | Corporate Debt [Member] | Corporate Debt [Member] | Corporate Debt [Member] | Corporate Debt [Member] | Corporate Debt [Member] | Corporate Debt [Member] | Corporate Debt [Member] | Corporate Debt [Member] | Financial Institution Instruments [Member] | Financial Institution Instruments [Member] | Financial Institution Instruments [Member] | Financial Institution Instruments [Member] | Financial Institution Instruments [Member] | Financial Institution Instruments [Member] | Financial Institution Instruments [Member] | Financial Institution Instruments [Member] | Government Debt [Member] | Government Debt [Member] | Government Debt [Member] | Government Debt [Member] | Government Debt [Member] | Government Debt [Member] | Government Debt [Member] | Government Debt [Member] | Asset-Backed Securities [Member] | Asset-Backed Securities [Member] | Asset-Backed Securities [Member] | Asset-Backed Securities [Member] | Marketable Equity Securities [Member] | Marketable Equity Securities [Member] | Debt Securities and Financial Instituition Instruments [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 1 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 2 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] | Level 3 [Member] |
| | | | | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Not Recorded At Fair Value On Recurring Basis [Member] | Not Recorded At Fair Value On Recurring Basis [Member] | Not Recorded At Fair Value On Recurring Basis [Member] | Not Recorded At Fair Value On Recurring Basis [Member] | Not Recorded At Fair Value On Recurring Basis [Member] | Not Recorded At Fair Value On Recurring Basis [Member] | Not Recorded At Fair Value On Recurring Basis [Member] | Not Recorded At Fair Value On Recurring Basis [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Cash Equivalents [Member] | Cash Equivalents [Member] | Short-Term Investments [Member] | Short-Term Investments [Member] | Other Long-Term Investments [Member] | Other Long-Term Investments [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Cash Equivalents [Member] | Cash Equivalents [Member] | Short-Term Investments [Member] | Short-Term Investments [Member] | Other Long-Term Investments [Member] | Other Long-Term Investments [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Cash Equivalents [Member] | Cash Equivalents [Member] | Short-Term Investments [Member] | Short-Term Investments [Member] | Other Long-Term Investments [Member] | Other Long-Term Investments [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Other Long-Term Investments [Member] | Other Long-Term Investments [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Cash Equivalents [Member] | Cash Equivalents [Member] | Other Current Assets [Member] | Other Current Assets [Member] | Other Long-Term Assets [Member] | Other Long-Term Assets [Member] | Other Accrued Liabilities [Member] | Other Accrued Liabilities [Member] | Other Long-Term Liabilities [Member] | Other Long-Term Liabilities [Member] | Fair Value [Member] | Fair Value [Member] | Fair Value [Member] | Fair Value [Member] | Corporate Debt [Member] | Corporate Debt [Member] | Corporate Debt [Member] | Corporate Debt [Member] | Corporate Debt [Member] | Corporate Debt [Member] | Corporate Debt [Member] | Corporate Debt [Member] | Financial Institution Instruments [Member] | Financial Institution Instruments [Member] | Financial Institution Instruments [Member] | Financial Institution Instruments [Member] | Financial Institution Instruments [Member] | Financial Institution Instruments [Member] | Financial Institution Instruments [Member] | Financial Institution Instruments [Member] | Government Debt [Member] | Government Debt [Member] | Government Debt [Member] | Government Debt [Member] | Government Debt [Member] | Government Debt [Member] | Government Debt [Member] | Government Debt [Member] | Asset-Backed Securities [Member] | Asset-Backed Securities [Member] | Asset-Backed Securities [Member] | Asset-Backed Securities [Member] | Marketable Equity Securities [Member] | Marketable Equity Securities [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Cash Equivalents [Member] | Cash Equivalents [Member] | Other Current Assets [Member] | Other Current Assets [Member] | Other Long-Term Assets [Member] | Other Long-Term Assets [Member] | Other Accrued Liabilities [Member] | Other Accrued Liabilities [Member] | Other Long-Term Liabilities [Member] | Other Long-Term Liabilities [Member] | Fair Value [Member] | Fair Value [Member] | Fair Value [Member] | Fair Value [Member] | Corporate Debt [Member] | Corporate Debt [Member] | Corporate Debt [Member] | Corporate Debt [Member] | Corporate Debt [Member] | Corporate Debt [Member] | Corporate Debt [Member] | Corporate Debt [Member] | Financial Institution Instruments [Member] | Financial Institution Instruments [Member] | Financial Institution Instruments [Member] | Financial Institution Instruments [Member] | Financial Institution Instruments [Member] | Financial Institution Instruments [Member] | Financial Institution Instruments [Member] | Financial Institution Instruments [Member] | Government Debt [Member] | Government Debt [Member] | Government Debt [Member] | Government Debt [Member] | Government Debt [Member] | Government Debt [Member] | Government Debt [Member] | Government Debt [Member] | Asset-Backed Securities [Member] | Asset-Backed Securities [Member] | Asset-Backed Securities [Member] | Asset-Backed Securities [Member] | Marketable Equity Securities [Member] | Marketable Equity Securities [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Cash Equivalents [Member] | Cash Equivalents [Member] | Other Current Assets [Member] | Other Current Assets [Member] | Other Long-Term Assets [Member] | Other Long-Term Assets [Member] | Other Accrued Liabilities [Member] | Other Accrued Liabilities [Member] | Other Long-Term Liabilities [Member] | Other Long-Term Liabilities [Member] | Fair Value [Member] | Fair Value [Member] | Fair Value [Member] | Fair Value [Member] | Corporate Debt [Member] | Corporate Debt [Member] | Corporate Debt [Member] | Corporate Debt [Member] | Corporate Debt [Member] | Corporate Debt [Member] | Corporate Debt [Member] | Corporate Debt [Member] | Financial Institution Instruments [Member] | Financial Institution Instruments [Member] | Financial Institution Instruments [Member] | Financial Institution Instruments [Member] | Financial Institution Instruments [Member] | Financial Institution Instruments [Member] | Financial Institution Instruments [Member] | Financial Institution Instruments [Member] | Government Debt [Member] | Government Debt [Member] | Government Debt [Member] | Government Debt [Member] | Government Debt [Member] | Government Debt [Member] | Government Debt [Member] | Government Debt [Member] | Asset-Backed Securities [Member] | Asset-Backed Securities [Member] | Asset-Backed Securities [Member] | Asset-Backed Securities [Member] | Marketable Equity Securities [Member] | Marketable Equity Securities [Member] |
| | | | | | | | | | | | | | | | | NVIDIA cross-license agreement [Member] | NVIDIA cross-license agreement [Member] | | | NVIDIA cross-license agreement [Member] | NVIDIA cross-license agreement [Member] | | | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | | | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | | | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | | | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | | | | | | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Not Recorded At Fair Value On Recurring Basis [Member] | Not Recorded At Fair Value On Recurring Basis [Member] | Not Recorded At Fair Value On Recurring Basis [Member] | Not Recorded At Fair Value On Recurring Basis [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Cash Equivalents [Member] | Cash Equivalents [Member] | Short-Term Investments [Member] | Short-Term Investments [Member] | Other Long-Term Investments [Member] | Other Long-Term Investments [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Cash Equivalents [Member] | Cash Equivalents [Member] | Short-Term Investments [Member] | Short-Term Investments [Member] | Other Long-Term Investments [Member] | Other Long-Term Investments [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Cash Equivalents [Member] | Cash Equivalents [Member] | Short-Term Investments [Member] | Short-Term Investments [Member] | Other Long-Term Investments [Member] | Other Long-Term Investments [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Other Long-Term Investments [Member] | Other Long-Term Investments [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | | | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Not Recorded At Fair Value On Recurring Basis [Member] | Not Recorded At Fair Value On Recurring Basis [Member] | Not Recorded At Fair Value On Recurring Basis [Member] | Not Recorded At Fair Value On Recurring Basis [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Cash Equivalents [Member] | Cash Equivalents [Member] | Short-Term Investments [Member] | Short-Term Investments [Member] | Other Long-Term Investments [Member] | Other Long-Term Investments [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Cash Equivalents [Member] | Cash Equivalents [Member] | Short-Term Investments [Member] | Short-Term Investments [Member] | Other Long-Term Investments [Member] | Other Long-Term Investments [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Cash Equivalents [Member] | Cash Equivalents [Member] | Short-Term Investments [Member] | Short-Term Investments [Member] | Other Long-Term Investments [Member] | Other Long-Term Investments [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Other Long-Term Investments [Member] | Other Long-Term Investments [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | | | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Not Recorded At Fair Value On Recurring Basis [Member] | Not Recorded At Fair Value On Recurring Basis [Member] | Not Recorded At Fair Value On Recurring Basis [Member] | Not Recorded At Fair Value On Recurring Basis [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Cash Equivalents [Member] | Cash Equivalents [Member] | Short-Term Investments [Member] | Short-Term Investments [Member] | Other Long-Term Investments [Member] | Other Long-Term Investments [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Cash Equivalents [Member] | Cash Equivalents [Member] | Short-Term Investments [Member] | Short-Term Investments [Member] | Other Long-Term Investments [Member] | Other Long-Term Investments [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Cash Equivalents [Member] | Cash Equivalents [Member] | Short-Term Investments [Member] | Short-Term Investments [Member] | Other Long-Term Investments [Member] | Other Long-Term Investments [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Other Long-Term Investments [Member] | Other Long-Term Investments [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | NVIDIA cross-license agreement [Member] | NVIDIA cross-license agreement [Member] | | | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | | | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | | | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | | | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | | | | | | | | | | | | | | | | | NVIDIA cross-license agreement [Member] | NVIDIA cross-license agreement [Member] | | | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | | | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | | | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | | | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | | | | | | | | | | | | | | | | | NVIDIA cross-license agreement [Member] | NVIDIA cross-license agreement [Member] | | | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | | | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | | | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | | | Fair Value, Measurements, Recurring [Member] | Fair Value, Measurements, Recurring [Member] | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Investments, Fair Value Disclosure | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | $2,009 | $2,074 | $1,538 | $1,667 | $948 | $525 | ' | ' | $1,936 | $2,077 | $2,482 | $3,089 | $461 | $492 | ' | ' | $125 | $269 | $1,214 | $1,216 | $347 | $447 | ' | ' | $9 | $9 | $6,085 | $6,221 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | $154 | $154 | $269 | $274 | $463 | $228 | ' | ' | $173 | $887 | $167 | $194 | $131 | $90 | ' | ' | $0 | $0 | $368 | $183 | $168 | $259 | ' | ' | $0 | $0 | $6,085 | $6,221 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | $1,855 | $1,920 | $1,250 | $1,374 | $458 | $270 | ' | ' | $1,763 | $1,190 | $2,315 | $2,895 | $330 | $402 | ' | ' | $125 | $269 | $846 | $1,033 | $179 | $188 | ' | ' | $0 | $0 | $0 | $0 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | $0 | $0 | $19 | $19 | $27 | $27 | ' | ' | $0 | $0 | $0 | $0 | $0 | $0 | ' | ' | $0 | $0 | $0 | $0 | $0 | $0 | ' | ' | $9 | $9 | $0 | $0 |
Reverse repurchase agreements, Fair Value Disclosure | ' | ' | ' | ' | ' | ' | 150 | 400 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 0 | 0 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 150 | 400 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 0 | 0 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Trading investments, Fair Value Disclosure | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 3,085 | 2,789 | ' | ' | ' | ' | ' | ' | 1,644 | 1,606 | ' | ' | ' | ' | ' | ' | 3,523 | 3,358 | ' | ' | ' | ' | ' | ' | 783 | 688 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 2,450 | 2,161 | ' | ' | ' | ' | ' | ' | 1,194 | 1,188 | ' | ' | ' | ' | ' | ' | 1,638 | 1,625 | ' | ' | ' | ' | ' | ' | 0 | 0 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 635 | 628 | ' | ' | ' | ' | ' | ' | 450 | 418 | ' | ' | ' | ' | ' | ' | 1,885 | 1,733 | ' | ' | ' | ' | ' | ' | 757 | 684 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 0 | 0 | ' | ' | ' | ' | ' | ' | 0 | 0 | ' | ' | ' | ' | ' | ' | 0 | 0 | ' | ' | ' | ' | ' | ' | 26 | 4 | ' | ' | ' | ' |
Derivative assets, Fair Value Disclosure | ' | ' | ' | ' | ' | ' | ' | ' | 242 | 357 | 35 | 36 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 12 | 48 | 0 | 0 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 230 | 309 | 5 | 7 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 0 | 0 | 30 | 29 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Loans receivable, Fair Value Disclosure | 813 | 805 | ' | ' | ' | ' | ' | ' | 257 | 103 | 556 | 702 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 0 | 0 | 0 | 0 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 257 | 103 | 556 | 702 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 0 | 0 | 0 | 0 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Assets, Fair Value Disclosure, Recurring | ' | ' | 27,429 | 28,125 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 13,272 | 13,512 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 14,046 | 14,525 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 111 | 88 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Derivative liabilities, Fair Value Disclosure | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 362 | 372 | 47 | 50 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 7 | 0 | 0 | 0 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 355 | 372 | 47 | 50 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 0 | 0 | 0 | 0 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Liabilities, Fair Value Disclosure | ' | ' | 409 | 422 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 7 | 0 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 402 | 422 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 0 | 0 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Fair Value, Assets, Level 2 to Level 1 Transfers, Amount | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 230 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Fair Value, Non-Marketable Equity Investments, Gains (Losses) | ' | ' | ' | ' | -38 | -14 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Grants Receivable | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 569 | 416 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Grants Receivable, Fair Value Disclosure | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 576 | 481 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 0 | 0 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 576 | 481 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 0 | 0 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Loans receivable | 1,072 | 1,072 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 259 | 267 | ' | ' | 259 | 267 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 0 | 0 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 250 | 250 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 9 | 17 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Non-marketable cost method investments | 1,285 | 1,270 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 1,285 | 1,270 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Non-marketable cost method investments, Fair Value Disclosure | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 2,120 | 2,105 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 0 | 0 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 0 | 0 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 2,120 | 2,105 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Reverse repurchase agreements | 582 | 800 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 432 | 400 | ' | ' | 432 | 400 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 0 | 0 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 432 | 400 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 0 | 0 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Short-term debt | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 0 | 24 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Short-term debt, Fair Value Disclosure | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 0 | 24 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 0 | 0 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 0 | 24 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 0 | 0 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Long-term debt | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 13,172 | 13,165 | ' | ' | 13,938 | 13,538 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 11,224 | 10,937 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 2,714 | 2,601 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 0 | 0 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Notes payable | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 389 | 587 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Notes payable, Fair Value Disclosure | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | $397 | $597 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | $0 | $0 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | $397 | $597 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | $0 | $0 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |