Quarterly report pursuant to Section 13 or 15(d)

Fair Value (Detail)

v3.21.2
Fair Value (Detail) - USD ($)
$ in Millions
Sep. 25, 2021
Dec. 26, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Reverse repurchase agreements $ 1,350 $ 1,900
Trading assets, Fair Value Disclosure 22,761 15,738
Derivative assets, Fair Value Disclosure 1,295 2,235
Derivative liabilities, Fair Value Disclosure 408 711
Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, Fair Value Disclosure 38,497 30,257
Liabilities, Fair Value Disclosure 565 815
Fair Value, Nonrecurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Grants & loans Receivable, Reverse repurchase agreements, CV 399 139
Short-term and Long-term Debt, Fair Value 44,600 40,900
Corporate Debt Securities [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Trading assets, Fair Value Disclosure 5,121 3,815
Fixed Income Securities [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Trading assets, Fair Value Disclosure 4,081 2,978
Government Debt [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Trading assets, Fair Value Disclosure 13,559 8,945
Marketable Equity Securities [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments, Fair Value Disclosure 2,064 1,830
Cash Equivalents [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Reverse repurchase agreements 1,350 1,900
Cash Equivalents [Member] | Corporate Debt Securities [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments, Fair Value Disclosure 736 50
Cash Equivalents [Member] | Fixed Income Securities [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments, Fair Value Disclosure 2,753 3,417
Cash Equivalents [Member] | Government Debt [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments, Fair Value Disclosure 2,364 0
Short-Term Investments [Member] | Corporate Debt Securities [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments, Fair Value Disclosure 870 428
Short-Term Investments [Member] | Fixed Income Securities [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments, Fair Value Disclosure 2,066 1,179
Short-Term Investments [Member] | Government Debt [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments, Fair Value Disclosure 1,068 685
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 327 692
Loans receivable, Fair Value Disclosure 211 439
Other Long-Term Investments [Member] | Corporate Debt Securities [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments, Fair Value Disclosure 684 1,520
Other Long-Term Investments [Member] | Fixed Income Securities [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments, Fair Value Disclosure 203 257
Other Long-Term Investments [Member] | Government Debt [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments, Fair Value Disclosure 66 415
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 974 1,550
Loans receivable, Fair Value Disclosure 0 157
Other Accrued Liabilities [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative liabilities, Fair Value Disclosure 556 810
Other Long-Term Liabilities [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative 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 4,578 3,096
Liabilities, Fair Value Disclosure 29 0
Level 1 [Member] | Corporate Debt Securities [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Trading assets, Fair Value Disclosure 0 0
Level 1 [Member] | Fixed Income Securities [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Trading assets, Fair Value Disclosure 67 131
Level 1 [Member] | Government Debt [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Trading assets, Fair Value Disclosure 0 0
Level 1 [Member] | Marketable Equity Securities [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments, Fair Value Disclosure 272 136
Level 1 [Member] | Cash Equivalents [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Reverse repurchase agreements 0 0
Level 1 [Member] | Cash Equivalents [Member] | Corporate 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] | Cash Equivalents [Member] | Fixed Income Securities [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments, Fair Value Disclosure 2,035 2,781
Level 1 [Member] | Cash Equivalents [Member] | Government Debt [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments, Fair Value Disclosure 2,200 0
Level 1 [Member] | Short-Term Investments [Member] | Corporate 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] | Short-Term Investments [Member] | Fixed Income 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] | Short-Term Investments [Member] | Government Debt [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 4 48
Loans receivable, Fair Value Disclosure 0 0
Level 1 [Member] | Other Long-Term Investments [Member] | Corporate 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 Investments [Member] | Fixed Income 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 Investments [Member] | Government Debt [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 liabilities, Fair Value Disclosure 29 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 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 33,906 27,131
Liabilities, Fair Value Disclosure 536 815
Level 2 [Member] | Corporate Debt Securities [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Trading assets, Fair Value Disclosure 5,121 3,815
Level 2 [Member] | Fixed Income Securities [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Trading assets, Fair Value Disclosure 4,014 2,847
Level 2 [Member] | Government Debt [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Trading assets, Fair Value Disclosure 13,559 8,945
Level 2 [Member] | Marketable Equity Securities [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments, Fair Value Disclosure 1,792 1,694
Level 2 [Member] | Cash Equivalents [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Reverse repurchase agreements 1,350 1,900
Level 2 [Member] | Cash Equivalents [Member] | Corporate Debt Securities [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments, Fair Value Disclosure 736 50
Level 2 [Member] | Cash Equivalents [Member] | Fixed Income Securities [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments, Fair Value Disclosure 718 636
Level 2 [Member] | Cash Equivalents [Member] | Government Debt [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments, Fair Value Disclosure 164 0
Level 2 [Member] | Short-Term Investments [Member] | Corporate Debt Securities [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments, Fair Value Disclosure 870 428
Level 2 [Member] | Short-Term Investments [Member] | Fixed Income Securities [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments, Fair Value Disclosure 2,066 1,179
Level 2 [Member] | Short-Term Investments [Member] | Government Debt [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments, Fair Value Disclosure 1,068 685
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 323 644
Loans receivable, Fair Value Disclosure 211 439
Level 2 [Member] | Other Long-Term Investments [Member] | Corporate Debt Securities [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments, Fair Value Disclosure 684 1,520
Level 2 [Member] | Other Long-Term Investments [Member] | Fixed Income Securities [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments, Fair Value Disclosure 203 257
Level 2 [Member] | Other Long-Term Investments [Member] | Government Debt [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments, Fair Value Disclosure 66 415
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 961 1,520
Loans receivable, Fair Value Disclosure 0 157
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 liabilities, Fair Value Disclosure 527 810
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 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 13 30
Liabilities, Fair Value Disclosure 0 0
Level 3 [Member] | Corporate Debt Securities [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Trading assets, Fair Value Disclosure 0 0
Level 3 [Member] | Fixed Income Securities [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Trading assets, Fair Value Disclosure 0 0
Level 3 [Member] | Government Debt [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Trading assets, Fair Value Disclosure 0 0
Level 3 [Member] | Marketable Equity 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] | Cash Equivalents [Member] | Fair Value, Recurring [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Reverse repurchase agreements 0 0
Level 3 [Member] | Cash Equivalents [Member] | Corporate 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] | Cash Equivalents [Member] | Fixed Income 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] | Cash Equivalents [Member] | Government Debt [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 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] | Short-Term Investments [Member] | Fixed Income 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] | Short-Term Investments [Member] | Government Debt [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 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 Investments [Member] | Fixed Income 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 Investments [Member] | Government Debt [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 13 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 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 liabilities, Fair Value Disclosure $ 0 $ 0