Quarterly report pursuant to Section 13 or 15(d)

ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details)

v3.19.2
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2019
Jul. 01, 2018
Jun. 30, 2019
Jul. 01, 2018
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Balance at the beginning of the period     $ (1,807)  
Before tax amount $ (106) $ (341) (44) $ (220)
Tax benefit (expense) 2 43 7 8
After tax amount (104) (298) (37) (212)
Amounts reclassified from accumulated other comprehensive loss(1) 3 [1] 12 [1] 7 [2] 25 [2]
Net current period other comprehensive income (loss) (101) (286) (30) (187)
Balance at the end of the period (1,840)   (1,840)  
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 (682) (681) (671) (689)
Before tax amount 1 0 (22) (8)
Tax benefit (expense) 0 0 5 2
After tax amount 1 0 (17) (6)
Amounts reclassified from accumulated other comprehensive loss(1) 6 [1] 13 [1] 13 [2] 27 [2]
Net current period other comprehensive income (loss) 7 13 (4) 21
Balance at the end of the period (675) (668) (675) (668)
Foreign currency translation adjustment        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Balance at the beginning of the period (1,057) (720) (1,138) (812)
Before tax amount (97) (328) (17) (203)
Tax benefit (expense) (2) 45 (1) 12
After tax amount (99) (283) (18) (191)
Amounts reclassified from accumulated other comprehensive loss(1) [1] 0 0    
Net current period other comprehensive income (loss) (99) (283) (18) (191)
Balance at the end of the period (1,156) (1,003) (1,156) (1,003)
Unrealized gain (loss) on marketable securities        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Balance at the beginning of the period (1) 0 0 1
Before tax amount 1 0    
Tax benefit (expense) 0 0 0  
After tax amount 1 0 0 0
Amounts reclassified from accumulated other comprehensive loss(1) 0 [1] 0 [1]   (1) [2]
Net current period other comprehensive income (loss) 1 0 0 (1)
Balance at the end of the period 0 0 0 0
Unrealized gain (loss) on derivatives        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Balance at the beginning of the period 1 4 2 (3)
Before tax amount (11) 4 (8) 15
Tax benefit (expense) 4 (2) 3 (6)
After tax amount (7) 2 (5) 9
Amounts reclassified from accumulated other comprehensive loss(1) (3) [1] (2) [1] (6) [2] (2) [2]
Net current period other comprehensive income (loss) (10) 0 (11) 7
Balance at the end of the period (9) 4 (9) 4
Total attributable to Cummins Inc.        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Balance at the beginning of the period (1,739) (1,397) (1,807) (1,503)
Before tax amount (106) (324) (47) (196)
Tax benefit (expense) 2 43 7 8
After tax amount (104) (281) (40) (188)
Amounts reclassified from accumulated other comprehensive loss(1) 3 [1] 11 [1] 7 [2] 24 [2]
Net current period other comprehensive income (loss) (101) (270) (33) (164)
Balance at the end of the period (1,840) (1,667) (1,840) (1,667)
Noncontrolling interests        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Before tax amount 0 (17) 3 (24)
After tax amount 0 (17) 3 (24)
Amounts reclassified from accumulated other comprehensive loss(1)   1 [1] 0 [2] 1 [2]
Net current period other comprehensive income (loss) $ 0 $ (16) $ 3 $ (23)
[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] Amounts are net of tax. Reclassifications out of accumulated other comprehensive income (loss) and the related tax effects are immaterial for separate disclosure.