Quarterly report pursuant to Section 13 or 15(d)

Investments - Equity Investments (Details)

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Investments - Equity Investments (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Oct. 01, 2022
Sep. 30, 2023
Oct. 01, 2022
Dec. 31, 2022
Investments, Debt and Equity Securities [Abstract]          
Marketable Securities $ 1,117   $ 1,117   $ 1,341
Cost Method Investments 4,578   4,578   4,561
Equity Method Investments 5   5   10
Equity Investments 5,700   $ 5,700   $ 5,912
Marketable equity securities subject to trading-volume or market-based restrictions     90.00%    
Marketable equity securities threshold percentage of shares owned resulting in trading volume restrictions     1.00%    
Mark to market on marketable equity securities1 (267) $ (244) $ (164) $ (883)  
Observable price adjustments on non-marketable 7 67 17 273  
Impairments (53) (45) (127) (112)  
Other Net Equity Investments 122 71 228 4,804  
Gain (Loss) on Investments (191) (151) (46) 4,082  
Net unrealized gains (losses) recognized during the period on equity securities (205) (154) (64) (490)  
Less: Net (gains) losses recognized during the period on equity securities sold during the period 12 1 (15) 15  
Net unrealized gains (losses) recognized during the reporting period on equity securities still held at the reporting date $ (193) $ (153) $ (79) $ (475)