v3.26.1
Acquisition, In-Licensing Arrangement and Sale of Investment - Sale of Investment (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 29, 2026
Mar. 30, 2025
Mar. 30, 2026
Dec. 31, 2025
Schedule of Equity Method Investments [Line Items]          
Equity-method investments   $ 237     $ 235
Gain on sale of investment   $ 0 $ 6,311    
ViiV [Member] | Subsequent Event [Member]          
Schedule of Equity Method Investments [Line Items]          
Equity method investment, ownership percentage       11.70%  
Equity-method investments $ 0        
Gain on sale of investment $ 1,875