Quarterly report [Sections 13 or 15(d)]

SUPPLEMENTARY FINANCIAL STATEMENT INFORMATION - Restructuring (Details)

v3.25.3
SUPPLEMENTARY FINANCIAL STATEMENT INFORMATION - Restructuring (Details) - USD ($)
$ in Millions
 3 Months Ended
Sep. 30, 2025
Jun. 30, 2025
Mar. 31, 2025
Restructuring Cost and Reserve [Line Items]      
Restructuring Reserve, Beginning Balance $ 124 $ 57 $ 71
Restructuring, Settlement and Impairment Provisions 3 135 3
Payments for Restructuring (21) (29) (17)
Restructuring Reserve, Settled without Cash   (39)  
Restructuring Reserve, Ending Balance 106 124 57
Restructuring Charges      
Restructuring Cost and Reserve [Line Items]      
Restructuring, Settlement and Impairment Provisions   86  
Employee Severance      
Restructuring Cost and Reserve [Line Items]      
Restructuring Reserve, Beginning Balance 111 48 56
Restructuring, Settlement and Impairment Provisions 0 70 0
Payments for Restructuring (15) (7) (8)
Restructuring Reserve, Settled without Cash   0  
Restructuring Reserve, Ending Balance 96 111 48
Other Restructuring      
Restructuring Cost and Reserve [Line Items]      
Restructuring Reserve, Beginning Balance 13 9 15
Restructuring, Settlement and Impairment Provisions 3 26 3
Payments for Restructuring (6) (22) (9)
Restructuring Reserve, Ending Balance 10 13 9
Asset Impairments      
Restructuring Cost and Reserve [Line Items]      
Restructuring Reserve, Beginning Balance 0 0 0
Restructuring, Settlement and Impairment Provisions 0 39 0
Payments for Restructuring 0 0 0
Restructuring Reserve, Settled without Cash   (39)  
Restructuring Reserve, Ending Balance $ 0 0 $ 0
Defined benefit plan | Other Restructuring | Net Periodic Defined Benefits Expense (Reversal of Expense), Excluding Service Cost Component      
Restructuring Cost and Reserve [Line Items]      
Restructuring, Settlement and Impairment Provisions   $ 10