Quarterly report [Sections 13 or 15(d)]

REVENUE RECOGNITION DISAGGREGATION OF REVENUES (Details)

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REVENUE RECOGNITION DISAGGREGATION OF REVENUES (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Disaggregation of Revenue [Line Items]        
NET SALES (Notes 1 and 2) $ 8,643 $ 8,796 $ 16,817 $ 17,199
Heavy-duty truck (EBU market)        
Disaggregation of Revenue [Line Items]        
NET SALES (Notes 1 and 2) 727 968 1,381 1,779
Medium-duty truck and bus (EBU market)        
Disaggregation of Revenue [Line Items]        
NET SALES (Notes 1 and 2) 676 792 1,376 1,530
Light-duty automotive (EBU market)        
Disaggregation of Revenue [Line Items]        
NET SALES (Notes 1 and 2) 482 454 907 892
On-highway (EBU market)        
Disaggregation of Revenue [Line Items]        
NET SALES (Notes 1 and 2) 1,885 2,214 3,664 4,201
Off-highway (EBU market)        
Disaggregation of Revenue [Line Items]        
NET SALES (Notes 1 and 2) 277 254 538 507
Drivetrain and braking systems [CBU business]        
Disaggregation of Revenue [Line Items]        
NET SALES (Notes 1 and 2) 1,094 1,255 2,150 2,487
Emission solutions (CBU business)        
Disaggregation of Revenue [Line Items]        
NET SALES (Notes 1 and 2) 777 822 1,568 1,678
Components and software [CBU business]        
Disaggregation of Revenue [Line Items]        
NET SALES (Notes 1 and 2) 301 279 607 579
Automated Transmissions (CBU business)        
Disaggregation of Revenue [Line Items]        
NET SALES (Notes 1 and 2) 123 162 240 327
Atmus Filtration Technologies Inc.        
Disaggregation of Revenue [Line Items]        
NET SALES (Notes 1 and 2) 0 0 0 289
Power Generation (DBU product line)        
Disaggregation of Revenue [Line Items]        
NET SALES (Notes 1 and 2) 1,200 950 2,290 1,655
Parts (DBU product line)        
Disaggregation of Revenue [Line Items]        
NET SALES (Notes 1 and 2) 1,011 988 2,037 1,985
Service (DBU product line)        
Disaggregation of Revenue [Line Items]        
NET SALES (Notes 1 and 2) 439 447 855 852
Engines (DBU product line)        
Disaggregation of Revenue [Line Items]        
NET SALES (Notes 1 and 2) 384 436 754 858
Power Generation (PSBU product line)        
Disaggregation of Revenue [Line Items]        
NET SALES (Notes 1 and 2) 584 490 1,029 850
Industrial (PSBU product line)        
Disaggregation of Revenue [Line Items]        
NET SALES (Notes 1 and 2) 298 278 582 516
Generator technologies (PSBU product line)        
Disaggregation of Revenue [Line Items]        
NET SALES (Notes 1 and 2) 172 120 315 230
Engine        
Disaggregation of Revenue [Line Items]        
NET SALES (Notes 1 and 2) 2,899 3,151 5,670 6,079
Components        
Disaggregation of Revenue [Line Items]        
NET SALES (Notes 1 and 2) 2,705 2,982 5,375 6,314
Distribution        
Disaggregation of Revenue [Line Items]        
NET SALES (Notes 1 and 2) 3,041 2,829 5,948 5,364
Power Systems        
Disaggregation of Revenue [Line Items]        
NET SALES (Notes 1 and 2) 1,889 1,589 3,538 2,978
External Sales | Engine        
Disaggregation of Revenue [Line Items]        
NET SALES (Notes 1 and 2) 2,162 2,468 4,202 4,708
External Sales | Components        
Disaggregation of Revenue [Line Items]        
NET SALES (Notes 1 and 2) 2,295 2,518 4,565 5,360
External Sales | Distribution        
Disaggregation of Revenue [Line Items]        
NET SALES (Notes 1 and 2) 3,034 2,821 5,936 5,350
External Sales | Power Systems        
Disaggregation of Revenue [Line Items]        
NET SALES (Notes 1 and 2) 1,054 888 1,926 1,596
UNITED STATES        
Disaggregation of Revenue [Line Items]        
NET SALES (Notes 1 and 2) 4,865 5,119 9,615 9,904
CHINA        
Disaggregation of Revenue [Line Items]        
NET SALES (Notes 1 and 2) 826 747 1,605 1,470
CHINA | Distribution        
Disaggregation of Revenue [Line Items]        
NET SALES (Notes 1 and 2) 123 128 236 228
INDIA        
Disaggregation of Revenue [Line Items]        
NET SALES (Notes 1 and 2) 415 425 841 869
INDIA | Distribution        
Disaggregation of Revenue [Line Items]        
NET SALES (Notes 1 and 2) 91 77 163 146
OTHER INTERNATIONAL        
Disaggregation of Revenue [Line Items]        
NET SALES (Notes 1 and 2) 2,537 2,505 4,756 4,956
NORTH AMERICA | Distribution        
Disaggregation of Revenue [Line Items]        
NET SALES (Notes 1 and 2) 2,074 1,899 4,173 3,621
EUROPE | Distribution        
Disaggregation of Revenue [Line Items]        
NET SALES (Notes 1 and 2) 323 283 592 523
ASIA PACIFIC | Distribution        
Disaggregation of Revenue [Line Items]        
NET SALES (Notes 1 and 2) 280 310 520 595
AFRICA AND MIDDLE EAST | Distribution        
Disaggregation of Revenue [Line Items]        
NET SALES (Notes 1 and 2) 60 60 119 114
LATIN AMERICA | Distribution        
Disaggregation of Revenue [Line Items]        
NET SALES (Notes 1 and 2) $ 83 $ 64 $ 133 $ 123