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RETIREMENT BENEFITS - Assumptions Used (Details)
3 Months Ended 12 Months Ended
Jan. 01, 2023
Dec. 31, 2022
Oct. 01, 2021
Apr. 01, 2021
Jan. 01, 2021
Dec. 31, 2020
Dec. 31, 2022
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Dec. 31, 2021
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
VEBA Trust                                          
Plan Assumptions - During the year                                          
Expected return on assets (as a percent)                                     1.50%   3.00%
U.S. | Postretirement Benefit Plans                                          
Plan Assumptions - At year end                                          
Discount rate (as a percent)   5.60%         5.60%       2.75%               5.60% 2.75%  
Expected return on assets (as a percent)   5.70%         5.70%       5.00%               5.70% 5.00%  
Plan Assumptions - During the year                                          
Discount rate (as a percent)             5.65% 4.75% 3.85% 2.75% 2.65% 2.60% 2.85% 2.20% 2.35% 2.45% 3.20% 3.15%      
Expected return on assets (as a percent)   5.00%                 1.50% 5.00% 5.60% 5.80%         5.00%   6.70%
U.S. | Postretirement Benefit Plans | Subsequent event                                          
Plan Assumptions - During the year                                          
Expected return on assets (as a percent) 5.70%                                        
U.S. | VEBA Trust                                          
Plan Assumptions - At year end                                          
Expected return on assets (as a percent)   3.00%         3.00%       1.50%               3.00% 1.50%  
Plan Assumptions - During the year                                          
Expected return on assets (as a percent)                                     1.50% 1.50% 3.00%
U.S. | VEBA Trust | Subsequent event                                          
Plan Assumptions - During the year                                          
Expected return on assets (as a percent) 3.00%                                        
Non-U.S. | Pension Plans | Weighted Average                                          
Plan Assumptions - At year end                                          
Discount rate (as a percent)   6.66%         6.66%       3.96%               6.66% 3.96%  
Future compensation increase rate (as a percent)   3.76%         3.76%       3.10%               3.76% 3.10%  
Expected return on assets (as a percent)   6.05%         6.05%       3.69%               6.05% 3.69%  
Plan Assumptions - During the year                                          
Discount rate (as a percent)                                     3.96% 3.14% 3.65%
Future compensation increase rate (as a percent)                                     3.10% 3.10% 3.17%
Expected return on assets (as a percent)                                     3.69% 3.39% 3.95%
Non-U.S. | Pension Plans | Minimum                                          
Plan Assumptions - At year end                                          
Discount rate, plans with relatively short duration (as a percent)   1.75%         1.75%       (0.10%)               1.75% (0.10%)  
Future compensation increase rate (as a percent)   1.30%         1.30%       1.30%               1.30% 1.30%  
Expected return on assets (as a percent)   1.00%         1.00%       0.00%               1.00% 0.00%  
Plan Assumptions - During the year                                          
Discount rate, plans with relatively short duration (as a percent)                                     (0.10%) (0.25%) (0.10%)
Future compensation increase rate (as a percent)                                     1.30% 1.20% 1.50%
Expected return on assets (as a percent)                                     0.00% 0.00% 0.00%
Non-U.S. | Pension Plans | Maximum                                          
Plan Assumptions - At year end                                          
Discount rate, plans with relatively short duration (as a percent)   25.20%         25.20%       11.95%               25.20% 11.95%  
Future compensation increase rate (as a percent)   23.11%         23.11%       11.25%               23.11% 11.25%  
Expected return on assets (as a percent)   11.50%         11.50%       11.50%               11.50% 11.50%  
Plan Assumptions - During the year                                          
Discount rate, plans with relatively short duration (as a percent)                                     11.95% 11.15% 11.30%
Future compensation increase rate (as a percent)                                     11.25% 11.25% 11.50%
Expected return on assets (as a percent)                                     11.50% 11.50% 11.50%
Non-U.S. | Postretirement Benefit Plans | Weighted Average                                          
Plan Assumptions - At year end                                          
Discount rate (as a percent)   9.80%         9.80%       8.28%               9.80% 8.28%  
Expected return on assets (as a percent)   8.70%         8.70%       7.99%               8.70% 7.99%  
Plan Assumptions - During the year                                          
Discount rate (as a percent)                                     8.28% 7.42% 7.76%
Expected return on assets (as a percent)                                     7.99% 7.99% 7.99%
Non-U.S. | Postretirement Benefit Plans | Minimum                                          
Plan Assumptions - At year end                                          
Discount rate (as a percent)   3.25%         3.25%       1.05%               3.25% 1.05%  
Expected return on assets (as a percent)   8.70%         8.70%       6.00%               8.70% 6.00%  
Plan Assumptions - During the year                                          
Discount rate (as a percent)                                     1.05% 0.80% 0.90%
Expected return on assets (as a percent)                                     6.00% 5.95% 6.20%
Non-U.S. | Postretirement Benefit Plans | Maximum                                          
Plan Assumptions - At year end                                          
Discount rate (as a percent)   10.60%         10.60%       10.00%               10.60% 10.00%  
Expected return on assets (as a percent)   9.10%         9.10%       8.00%               9.10% 8.00%  
Plan Assumptions - During the year                                          
Discount rate (as a percent)                                     11.25% 9.80% 9.75%
Expected return on assets (as a percent)                                     8.00% 8.00% 8.00%
Qualified | U.S. | Pension Plans                                          
Plan Assumptions - At year end                                          
Discount rate (as a percent)   5.50%         5.50%       2.80%               5.50% 2.80%  
Expected return on assets (as a percent)   5.70%         5.70%       5.00%               5.70% 5.00%  
Plan Assumptions - During the year                                          
Discount rate (as a percent)             5.65% 4.80% 3.80% 2.80% 2.80% 2.75% 3.10% 2.45% 2.55% 2.60% 3.20% 3.25%      
Expected return on assets (as a percent)   5.00% 5.00% 5.60% 5.80% 6.70%         5.00% 5.60% 5.60% 5.80%         5.00%   6.70%
Qualified | U.S. | Pension Plans | Subsequent event                                          
Plan Assumptions - During the year                                          
Expected return on assets (as a percent) 5.70%                                        
Qualified | U.S. | Postretirement Benefit Plans                                          
Plan Assumptions - During the year                                          
Expected return on assets (as a percent)     5.00% 5.60% 5.80% 6.70%                              
Nonqualified | U.S. | Pension Plans                                          
Plan Assumptions - At year end                                          
Discount rate (as a percent)   5.55%         5.55%       2.80%               5.55% 2.80%  
Plan Assumptions - During the year                                          
Discount rate (as a percent)             5.60% 4.80% 3.85% 2.80% 2.75% 2.70% 3.00% 2.35% 2.50% 2.55% 3.25% 3.25%