Quarterly report pursuant to Section 13 or 15(d)

EQUITY, ROYALTY AND INTEREST INCOME FROM INVESTEES (Details)

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EQUITY, ROYALTY AND INTEREST INCOME FROM INVESTEES (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Oct. 01, 2017
Oct. 02, 2016
Oct. 01, 2017
Oct. 02, 2016
Equity, royalty and interest income from investees        
Cummins share of net income $ 84 $ 64 $ 265 $ 205
Royalty and interest income 11 10 36 29
Equity, royalty and interest income from investees 95 74 301 234
Distribution - Komatsu Cummins Chile, Ltda.        
Equity, royalty and interest income from investees        
Cummins share of net income 8 8 23 26
Distribution - North American distributors        
Equity, royalty and interest income from investees        
Cummins share of net income 0 7 0 18
Distribution - All Other        
Equity, royalty and interest income from investees        
Cummins share of net income (1) 1 (1) 2
Manufacturing - Beijing Foton Cummins Engine Company        
Equity, royalty and interest income from investees        
Cummins share of net income 24 19 79 59
Manufacturing - Dongfeng Cummins Engine Company Ltd        
Equity, royalty and interest income from investees        
Cummins share of net income 15 10 56 32
Manufacturing - Chongqing Cummins Engine Company, Ltd.        
Equity, royalty and interest income from investees        
Cummins share of net income 11 11 30 28
Manufacturing - All other manufacturers        
Equity, royalty and interest income from investees        
Cummins share of net income $ 27 $ 8 $ 78 $ 40