Fair Value (Detail) - USD ($) $ in Millions | 12 Months Ended |
Dec. 28, 2019 | Dec. 29, 2018 | Dec. 30, 2017 |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Trading assets | $ 7,847 | $ 5,843 | |
Derivative Assets, Fair Value Disclosure | 974 | 292 | |
Derivative Financial Instruments, Liabilities, Fair Value Disclosure | 262 | 890 | |
Other than Temporary Impairment Losses, Investments | 122 | 424 | $ 833 |
Non-marketable equity securities | 3,480 | 2,978 | |
Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Assets, Fair Value Disclosure | 17,880 | 17,167 | |
Liabilities, Fair Value Disclosure | 303 | 895 | |
Fair Value, Nonrecurring [Member] | Carrying Value [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Grants Receivable | 543 | 833 | |
Corporate debt | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Trading assets | 2,848 | 2,635 | |
Financial institution instruments | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Trading assets | 1,665 | 1,340 | |
Government debt | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Trading assets | 3,334 | 1,868 | |
Marketable equity securities | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Investments, Fair Value Disclosure | 450 | 1,440 | |
Cost-method Investments [Member] | Fair Value, Nonrecurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Other than Temporary Impairment Losses, Investments | 113 | 416 | $ 537 |
Cash Equivalents [Member] | Corporate debt | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Investments, Fair Value Disclosure | 713 | 262 | |
Cash Equivalents [Member] | Financial institution instruments | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Investments, Fair Value Disclosure | 1,472 | 733 | |
Cash Equivalents [Member] | Repurchase Agreements [Member] | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Investments, Fair Value Disclosure | 1,500 | 1,850 | |
Short-Term Investments [Member] | Corporate debt | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Investments, Fair Value Disclosure | 347 | 937 | |
Short-Term Investments [Member] | Financial institution instruments | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Investments, Fair Value Disclosure | 724 | 1,423 | |
Short-Term Investments [Member] | Government debt | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Investments, Fair Value Disclosure | 11 | 428 | |
Other Current Assets [Member] | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Derivative Assets, Fair Value Disclosure | 280 | 180 | |
Loans Receivable, Fair Value Disclosure | 0 | 354 | |
Other Long-Term Investments [Member] | Corporate debt | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Investments, Fair Value Disclosure | 1,898 | 1,843 | |
Other Long-Term Investments [Member] | Financial institution instruments | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Investments, Fair Value Disclosure | 825 | 912 | |
Other Long-Term Investments [Member] | Government debt | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Investments, Fair Value Disclosure | 553 | 633 | |
Other Long-Term Assets [Member] | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Derivative Assets, Fair Value Disclosure | 706 | 100 | |
Loans Receivable, Fair Value Disclosure | 554 | 229 | |
Other Accrued Liabilities [Member] | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Derivative Financial Instruments, Liabilities, Fair Value Disclosure | 290 | 412 | |
Other Long-Term Liabilities [Member] | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Derivative Financial Instruments, Liabilities, Fair Value Disclosure | 13 | 483 | |
Level 1 [Member] | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Assets, Fair Value Disclosure | 1,651 | 2,057 | |
Liabilities, Fair Value Disclosure | 3 | 0 | |
Level 1 [Member] | Corporate debt | Fair Value, 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, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Trading assets | 87 | 67 | |
Level 1 [Member] | Government debt | Fair Value, 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, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Investments, Fair Value Disclosure | 450 | 1,440 | |
Level 1 [Member] | Cash Equivalents [Member] | Corporate debt | Fair Value, 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, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Investments, Fair Value Disclosure | 1,064 | 550 | |
Level 1 [Member] | Cash Equivalents [Member] | Repurchase Agreements [Member] | Fair Value, 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, 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, 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, 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, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Derivative Assets, Fair Value Disclosure | 50 | 0 | |
Loans Receivable, Fair Value Disclosure | 0 | 0 | |
Level 1 [Member] | Other Long-Term Investments [Member] | Corporate debt | Fair Value, 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, 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, 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, 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, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Derivative Financial Instruments, Liabilities, Fair Value Disclosure | 3 | 0 | |
Level 1 [Member] | Other Long-Term Liabilities [Member] | Fair Value, 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, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Assets, Fair Value Disclosure | 16,213 | 15,110 | |
Liabilities, Fair Value Disclosure | 300 | 827 | |
Level 2 [Member] | Corporate debt | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Trading assets | 2,848 | 2,635 | |
Level 2 [Member] | Financial institution instruments | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Trading assets | 1,578 | 1,273 | |
Level 2 [Member] | Government debt | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Trading assets | 3,334 | 1,868 | |
Level 2 [Member] | Marketable equity securities | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Investments, Fair Value Disclosure | 0 | 0 | |
Level 2 [Member] | Cash Equivalents [Member] | Corporate debt | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Investments, Fair Value Disclosure | 713 | 262 | |
Level 2 [Member] | Cash Equivalents [Member] | Financial institution instruments | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Investments, Fair Value Disclosure | 408 | 183 | |
Level 2 [Member] | Cash Equivalents [Member] | Repurchase Agreements [Member] | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Investments, Fair Value Disclosure | 1,500 | 1,850 | |
Level 2 [Member] | Short-Term Investments [Member] | Corporate debt | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Investments, Fair Value Disclosure | 347 | 937 | |
Level 2 [Member] | Short-Term Investments [Member] | Financial institution instruments | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Investments, Fair Value Disclosure | 724 | 1,423 | |
Level 2 [Member] | Short-Term Investments [Member] | Government debt | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Investments, Fair Value Disclosure | 11 | 428 | |
Level 2 [Member] | Other Current Assets [Member] | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Derivative Assets, Fair Value Disclosure | 230 | 180 | |
Loans Receivable, Fair Value Disclosure | 0 | 354 | |
Level 2 [Member] | Other Long-Term Investments [Member] | Corporate debt | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Investments, Fair Value Disclosure | 1,898 | 1,843 | |
Level 2 [Member] | Other Long-Term Investments [Member] | Financial institution instruments | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Investments, Fair Value Disclosure | 825 | 912 | |
Level 2 [Member] | Other Long-Term Investments [Member] | Government debt | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Investments, Fair Value Disclosure | 553 | 633 | |
Level 2 [Member] | Other Long-Term Assets [Member] | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Derivative Assets, Fair Value Disclosure | 690 | 100 | |
Loans Receivable, Fair Value Disclosure | 554 | 229 | |
Level 2 [Member] | Other Accrued Liabilities [Member] | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Derivative Financial Instruments, Liabilities, Fair Value Disclosure | 287 | 412 | |
Level 2 [Member] | Other Long-Term Liabilities [Member] | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Derivative Financial Instruments, Liabilities, Fair Value Disclosure | 13 | 415 | |
Level 3 [Member] | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Assets, Fair Value Disclosure | 16 | 0 | |
Liabilities, Fair Value Disclosure | 0 | 68 | |
Level 3 [Member] | Corporate debt | Fair Value, 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, 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, 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, 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, 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, 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, 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, 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] | Financial institution instruments | Fair Value, 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, 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, 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, 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] | Financial institution instruments | Fair Value, 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, 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, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Derivative Assets, Fair Value Disclosure | 16 | 0 | |
Loans Receivable, Fair Value Disclosure | 0 | 0 | |
Level 3 [Member] | Other Accrued Liabilities [Member] | Fair Value, 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, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Derivative Financial Instruments, Liabilities, Fair Value Disclosure | $ 0 | $ 68 | |