v3.26.1
Restructuring and Other Initiatives - Restructuring Reserves and Charges (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Restructuring Reserve [Roll Forward]          
Restructuring Reserve, Beginning Balance $ 2,588 $ 1,021 $ 3,948 $ 1,243 $ 1,243
Additions, interest accretion, and other 1,155 370 2,225 502  
Reductions and payments (1,510) (541) (3,938) (894)  
Revisions to estimates and effect of foreign currency 1 4 0 4  
Restructuring Reserve, End Balance $ 2,234 $ 854 $ 2,234 $ 854 $ 3,948