Quarterly report pursuant to Section 13 or 15(d)

ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details)

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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2022
Jul. 04, 2021
Jun. 30, 2022
Jul. 04, 2021
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Balance at the beginning of the period     $ (1,571)  
Before tax amount $ (191) $ (23) (138) $ 25
Tax (expense) benefit (9) 10 (19) (11)
After tax amount (200) (13) (157) 14
Amounts reclassified from accumulated other comprehensive income (loss)(1) 4 14 9 32
Net current period other comprehensive income (loss) (196) 1 (148) 46
Balance at the end of the period (1,696)   (1,696)  
Change in pensions and other postretirement defined benefit plans        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Balance at the beginning of the period (330) (706) (346) (735)
Before tax amount 0 0 14 15
Tax (expense) benefit 1 1 (3) (2)
After tax amount 1 1 11 13
Amounts reclassified from accumulated other comprehensive income (loss)(1) 5 16 11 33
Net current period other comprehensive income (loss) 6 17 22 46
Balance at the end of the period (324) (689) (324) (689)
Foreign currency translation adjustment        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Balance at the beginning of the period (1,196) (1,260) (1,208) (1,204)
Before tax amount (235) 29 (224) (31)
Tax (expense) benefit 5 0 6 4
After tax amount (230) 29 (218) (27)
Amounts reclassified from accumulated other comprehensive income (loss)(1) 0 0 0 0
Net current period other comprehensive income (loss) (230) 29 (218) (27)
Balance at the end of the period (1,426) (1,231) (1,426) (1,231)
Unrealized gain (loss) on derivatives        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Balance at the beginning of the period 11 29 (17) (43)
Before tax amount 59 (45) 95 48
Tax (expense) benefit (15) 9 (22) (13)
After tax amount 44 (36) 73 35
Amounts reclassified from accumulated other comprehensive income (loss)(1) (1) (2) (2) (1)
Net current period other comprehensive income (loss) 43 (38) 71 34
Balance at the end of the period 54 (9) 54 (9)
Total attributable to Cummins Inc.        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Balance at the beginning of the period (1,515) (1,937) (1,571) (1,982)
Before tax amount (176) (16) (115) 32
Tax (expense) benefit (9) 10 (19) (11)
After tax amount (185) (6) (134) 21
Amounts reclassified from accumulated other comprehensive income (loss)(1) 4 14 9 32
Net current period other comprehensive income (loss) (181) 8 (125) 53
Balance at the end of the period (1,696) (1,929) (1,696) (1,929)
Noncontrolling interests        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Before tax amount (15) (7) (23) (7)
Tax (expense) benefit 0 0 0 0
After tax amount (15) (7) (23) (7)
Amounts reclassified from accumulated other comprehensive income (loss)(1) 0 0 0  
Net current period other comprehensive income (loss) $ (15) $ (7) $ (23) $ (7)