Annual report pursuant to Section 13 and 15(d)

Fair Value (Detail)

v3.20.4
Fair Value (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 26, 2020
Dec. 28, 2019
Dec. 29, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Trading assets $ 15,738 $ 7,847  
Derivative Assets, Fair Value Disclosure 2,235 974  
Derivative Financial Instruments, Liabilities, Fair Value Disclosure 711 262  
Other than Temporary Impairment Losses, Investments 303 122 $ 424
Non-marketable equity securities 3,304 3,480  
Fair Value, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets, Fair Value Disclosure 30,257 17,880  
Liabilities, Fair Value Disclosure 815 303  
Fair Value, Nonrecurring [Member] | Carrying Value [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Grants Receivable 139 543  
Corporate debt | Fair Value, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Trading assets 3,815 2,848  
Financial institution instruments | Fair Value, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Trading assets 2,978 1,665  
Government Debt Securities [Member] | Fair Value, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Trading assets 8,945 3,334  
Marketable equity securities | Fair Value, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 1,830 450  
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 272 113 $ 416
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 50 713  
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 3,417 1,472  
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 1,900 1,500  
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 428 347  
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 1,179 724  
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 685 11  
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 692 280  
Loans Receivable, Fair Value Disclosure 439 0  
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 1,520 1,898  
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 257 825  
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 415 553  
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 1,550 706  
Loans Receivable, Fair Value Disclosure 157 554  
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 810 290  
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 5 13  
Level 1 [Member] | Fair Value, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets, Fair Value Disclosure 3,096 1,651  
Liabilities, Fair Value Disclosure 0 3  
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 131 87  
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] | Marketable equity securities | Fair Value, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Investments, Fair Value Disclosure 136 450  
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 2,781 1,064  
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 48 50  
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 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 0 3  
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 27,131 16,213  
Liabilities, Fair Value Disclosure 815 300  
Level 2 [Member] | Corporate debt | Fair Value, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Trading assets 3,815 2,848  
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 2,847 1,578  
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 8,945 3,334  
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 1,694 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 50 713  
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 636 408  
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 1,900 1,500  
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 428 347  
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 1,179 724  
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 685 11  
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 644 230  
Loans Receivable, Fair Value Disclosure 439 0  
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 1,520 1,898  
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 257 825  
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 415 553  
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 1,520 690  
Loans Receivable, Fair Value Disclosure 157 554  
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 810 287  
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 5 13  
Level 3 [Member] | Fair Value, Recurring [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets, Fair Value Disclosure 30 16  
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] | 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 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 30 16  
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