v3.26.1
PENSION BENEFITS - Schedule of Net Periodic Benefit (Income) Cost For Pension Plans (Details) - Pension Plan - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Defined Benefit Plan Disclosure [Line Items]        
Net periodic benefit (income) cost $ 168 $ 85 $ 332 $ 225
U.S. Plans        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 6 7 12 14
Interest cost 131 147 262 294
Expected return on plan assets (282) (289) (564) (578)
Net periodic benefit (income) cost (145) (135) (290) (270)
Net periodic benefit (income) cost - continuing operations (145) (134) (290) (268)
Net periodic benefit (income) cost - discontinued operations 0 (1) 0 (2)
Non-U.S. Plans        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 0 1 1 2
Interest cost 42 45 84 92
Expected return on plan assets (70) (69) (141) (142)
Amortization of prior service (credit) cost 0 0 1 0
Recognition of actuarial (gains) losses 0 0 0 14
Settlements and curtailments 0 68 0 68
Net periodic benefit (income) cost (28) 45 (55) 34
Net periodic benefit (income) cost - continuing operations (28) 44 (55) 33
Net periodic benefit (income) cost - discontinued operations $ 0 $ 1 $ 0 $ 1