COMPANY-SPONSORED EMPLOYEE BENEFIT PLANS COMPANY-SPONSORED EMPLOYEE BENEFIT PLANS - Effects of One Basis Point Change on Projected Benefit Obligation (Details) - United States $ in Millions  | 
12 Months Ended | 
|---|---|
| 
 Dec. 31, 2023  
USD ($) 
 | |
| Pension Benefits | |
| effects of one-basis point change one PBO [Line Items] | |
| One basis point increase in discount rate | $ (62) | 
| One basis point decrease in discount rate | 65 | 
| Postemployment Retirement Benefits | |
| effects of one-basis point change one PBO [Line Items] | |
| One basis point increase in discount rate | (1) | 
| One basis point decrease in discount rate | $ 2 | 
| X | ||||||||||
- Definition Defined Benefit Plan, Effect Of One Percentage Point Decrease On Projected Benefit Obligation No definition available. 
  | 
| X | ||||||||||
- Definition [Line Items] for effects of one-basis point change one PBO [Table] No definition available. 
  | 
| X | ||||||||||
- Definition Increase (Decrease) In Defined Benefit Plan, Effect Of One Percentage Point Increase On Projected Benefit Obligation No definition available. 
  | 
| X | ||||||||||
- Details 
  | 
| X | ||||||||||
- Details 
  | 
| X | ||||||||||
- Details 
  |