PRODUCT WARRANTY LIABILITY (Details 2) Engine System Campaign - USD ($) $ in Millions  | 
3 Months Ended | 18 Months Ended | 48 Months Ended | |
|---|---|---|---|---|
Dec. 31, 2020  | 
Jul. 01, 2018  | 
Dec. 31, 2020  | 
Oct. 03, 2021  | 
|
| Guarantees and Product Warranties [Abstract] | ||||
| Provision for product campaigns issued | $ 20 | $ 410 | $ 430 | |
| Engine System Campaign Accrual, Present Value | $ 94 | 
| X | ||||||||||
- References No definition available. 
  | 
| X | ||||||||||
- Definition The amount of loss reported during the period pertaining to product liability. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
  | 
| X | ||||||||||
- Definition Present value of the accrual for product liability loss contingencies as of the balance sheet date (if the accrual qualifies for discounting). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
  |