Quarterly report pursuant to Section 13 or 15(d)

ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details)

v3.20.2
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 27, 2020
Sep. 29, 2019
Sep. 27, 2020
Sep. 29, 2019
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Balance at the beginning of the period     $ (2,028)  
Before tax amount $ 134 $ (221) (160) $ (265)
Tax benefit (expense) (5) 8 25 15
After tax amount 129 (213) (135) (250)
Amounts reclassified from accumulated other comprehensive income (loss)(1) 16 [1] 8 [1] 44 [2] 15 [2]
Net current period other comprehensive income (loss) 145 (205) (91) (235)
Balance at the end of the period (2,107)   (2,107)  
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 (716) (675) (734) (671)
Before tax amount 0 0 (19) (22)
Tax benefit (expense) 0 0 5 5
After tax amount 0 0 (14) (17)
Amounts reclassified from accumulated other comprehensive income (loss)(1) 16 [1] 6 [1] 48 [2] 19 [2]
Net current period other comprehensive income (loss) 16 6 34 2
Balance at the end of the period (700) (669) (700) (669)
Foreign currency translation adjustment        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Balance at the beginning of the period (1,436) (1,156) (1,285) (1,138)
Before tax amount 101 (177) (54) (194)
Tax benefit (expense) 0 0 4 (1)
After tax amount 101 (177) (50) (195)
Amounts reclassified from accumulated other comprehensive income (loss)(1) 0 [1] 0 [1] 0 [2] 0 [2]
Net current period other comprehensive income (loss) 101 (177) (50) (195)
Balance at the end of the period (1,335) (1,333) (1,335) (1,333)
Unrealized gain (loss) on derivatives        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Balance at the beginning of the period (90) (9) (9) 2
Before tax amount 23 (39) (75) (47)
Tax benefit (expense) (5) 8 16 11
After tax amount 18 (31) (59) (36)
Amounts reclassified from accumulated other comprehensive income (loss)(1) 0 [1] 2 [1] (4) [2] (4) [2]
Net current period other comprehensive income (loss) 18 (29) (63) [3] (40)
Balance at the end of the period (72) (38) (72) (38)
Total attributable to Cummins Inc.        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Balance at the beginning of the period (2,242) (1,840) (2,028) (1,807)
Before tax amount 124 (216) (148) (263)
Tax benefit (expense) (5) 8 25 15
After tax amount 119 (208) (123) (248)
Amounts reclassified from accumulated other comprehensive income (loss)(1) 16 [1] 8 [1] 44 [2] 15 [2]
Net current period other comprehensive income (loss) 135 (200) (79) (233)
Balance at the end of the period (2,107) (2,040) (2,107) (2,040)
Noncontrolling interests        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Before tax amount 10 (5) (12) (2)
Tax benefit (expense) 0 0 0 0
After tax amount 10 (5) (12) (2)
Amounts reclassified from accumulated other comprehensive income (loss)(1) 0 [1] 0 [1] 0 [2]  
Net current period other comprehensive income (loss) $ 10 $ (5) $ (12) $ (2)
[1] (1) Amounts are net of tax. Reclassifications out of accumulated other comprehensive income (loss) and the related tax effects are immaterial for separate disclosure.
[2] (1) Amounts are net of tax. Reclassifications out of accumulated other comprehensive income (loss) and the related tax effects are immaterial for separate disclosure.
[3] (2) Primarily related to interest rate lock activity. See the Interest Rate Risk section in NOTE 9 "DEBT" for additional information.