Fair Value (Detail) - USD ($) $ in Millions | 12 Months Ended |
Dec. 25, 2021 | Dec. 26, 2020 | Dec. 28, 2019 |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Trading assets | $ 21,483 | $ 15,738 | |
Derivative Assets, Fair Value Disclosure | 1,427 | 2,235 | |
Derivative Financial Instruments, Liabilities, Fair Value Disclosure | 392 | 711 | |
Other than Temporary Impairment Losses, Investments | 154 | 303 | $ 122 |
Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Assets, Fair Value Disclosure | 31,880 | 30,257 | |
Liabilities, Fair Value Disclosure | 529 | 815 | |
Fair Value, Nonrecurring [Member] | Carrying Value [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Grants Receivable | 317 | 139 | |
Corporate debt | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Trading assets | 5,143 | 3,815 | |
Financial institution instruments | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Trading assets | 3,883 | 2,978 | |
Government Debt Securities [Member] | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Trading assets | 12,457 | 8,945 | |
Equity securities | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Investments, Fair Value Disclosure | 2,171 | 1,830 | |
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 | 138 | 266 | $ 113 |
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 | 65 | 50 | |
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 | 1,979 | 3,417 | |
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 | 1,595 | 1,900 | |
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 | 648 | 428 | |
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 | 1,243 | 1,179 | |
Short-Term Investments [Member] | Government Debt Securities [Member] | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Investments, Fair Value Disclosure | 212 | 685 | |
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 | 656 | 692 | |
Loans Receivable, Fair Value Disclosure | 152 | 439 | |
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 | 576 | 1,520 | |
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 | 190 | 257 | |
Other Long-Term Investments [Member] | Government Debt Securities [Member] | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Investments, Fair Value Disclosure | 74 | 415 | |
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 | 779 | 1,550 | |
Loans Receivable, Fair Value Disclosure | 57 | 157 | |
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 | 520 | 810 | |
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 | 9 | 5 | |
Level 1 [Member] | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Assets, Fair Value Disclosure | 3,354 | 3,096 | |
Liabilities, Fair Value Disclosure | 4 | 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 | 154 | 131 | |
Level 1 [Member] | Government Debt Securities [Member] | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Trading assets | 0 | 0 | |
Level 1 [Member] | Equity securities | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Investments, Fair Value Disclosure | 1,854 | 136 | |
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 | 1,216 | 2,781 | |
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 Securities [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] | 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 | 80 | 48 | |
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 Securities [Member] | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Investments, Fair Value Disclosure | 50 | 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 | 4 | 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 | 28,519 | 27,131 | |
Liabilities, Fair Value Disclosure | 525 | 815 | |
Level 2 [Member] | Corporate debt | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Trading assets | 5,143 | 3,815 | |
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 | 3,729 | 2,847 | |
Level 2 [Member] | Government Debt Securities [Member] | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Trading assets | 12,457 | 8,945 | |
Level 2 [Member] | Equity securities | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Investments, Fair Value Disclosure | 317 | 1,694 | |
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 | 65 | 50 | |
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 | 763 | 636 | |
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 | 1,595 | 1,900 | |
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 | 648 | 428 | |
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 | 1,243 | 1,179 | |
Level 2 [Member] | Short-Term Investments [Member] | Government Debt Securities [Member] | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Investments, Fair Value Disclosure | 212 | 685 | |
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 | 576 | 644 | |
Loans Receivable, Fair Value Disclosure | 152 | 439 | |
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 | 576 | 1,520 | |
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 | 190 | 257 | |
Level 2 [Member] | Other Long-Term Investments [Member] | Government Debt Securities [Member] | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Investments, Fair Value Disclosure | 24 | 415 | |
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 | 772 | 1,520 | |
Loans Receivable, Fair Value Disclosure | 57 | 157 | |
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 | 516 | 810 | |
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 | 9 | 5 | |
Level 3 [Member] | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Assets, Fair Value Disclosure | 7 | 30 | |
Liabilities, Fair Value Disclosure | 0 | 0 | |
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 Securities [Member] | Fair Value, Recurring [Member] | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Trading assets | 0 | 0 | |
Level 3 [Member] | 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 Securities [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] | 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 Securities [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] | 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 | 7 | 30 | |
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 | $ 0 | |