Fair Value (Detail) - USD ($) $ in Millions | Apr. 01, 2023 | Dec. 31, 2022 |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Reverse repurchase agreements | $ 1,700 | $ 1,701 |
Derivative assets, Fair Value Disclosure | 966 | 1,231 |
Derivative liabilities, Fair Value Disclosure | 935 | 1,337 |
Fair Value, Recurring [Member] | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, Fair Value Disclosure | 29,427 | 30,392 |
Liabilities, Fair Value Disclosure | 954 | 1,384 |
Fair Value, Nonrecurring [Member] | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Grants & loans Receivable, Reverse repurchase agreements, CV | 459 | 437 |
Short-term and Long-term Debt, Fair Value | 45,900 | 34,300 |
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 | 1,421 | 1,341 |
Cash Equivalents [Member] | Fair Value, Recurring [Member] | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Reverse repurchase agreements | 1,700 | 1,301 |
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 | 1,395 | 856 |
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 | 3,983 | 8,373 |
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 | 530 | 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 | 5,441 | 5,381 |
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 | 5,160 | 4,925 |
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 | 8,701 | 6,888 |
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 | 1,037 | 1,264 |
Loans receivable, Fair Value Disclosure | 54 | 53 |
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 | 5 | 10 |
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 | 439 | 685 |
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 | 515 | 699 |
Level 1 [Member] | Fair Value, Recurring [Member] | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, Fair Value Disclosure | 3,728 | 8,484 |
Liabilities, Fair Value Disclosure | 8 | 111 |
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 | 1,421 | 1,341 |
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 | 1,806 | 6,899 |
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 | 233 | 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 | 141 | 196 |
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 | 49 | 48 |
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 | 78 | 0 |
Loans receivable, 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 |
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 | 8 | 111 |
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 | 25,699 | 21,908 |
Liabilities, Fair Value Disclosure | 865 | 1,184 |
Level 2 [Member] | Fair Value, Nonrecurring [Member] | Reported Value Measurement [Member] | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Reverse repurchase agreements | 0 | 400 |
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 | 0 | 0 |
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 | 1,700 | 1,301 |
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 | 1,395 | 856 |
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 | 2,177 | 1,474 |
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 | 297 | 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 | 5,441 | 5,381 |
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 | 5,019 | 4,729 |
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 | 8,652 | 6,840 |
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 | 959 | 1,264 |
Loans receivable, Fair Value Disclosure | 54 | 53 |
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 | 5 | 10 |
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 | 350 | 485 |
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 | 515 | 699 |
Level 3 [Member] | Fair Value, Recurring [Member] | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Assets, Fair Value Disclosure | 0 | 0 |
Liabilities, Fair Value Disclosure | 81 | 89 |
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 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 |
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 | 81 | 89 |
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 |