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 6 Months Ended
Jul. 02, 2017
Jul. 03, 2016
Jul. 02, 2017
Jul. 03, 2016
Equity, royalty and interest income from investees        
Cummins share of net income $ 86 $ 77 $ 181 $ 141
Royalty and interest income 12 11 25 19
Equity, royalty and interest income from investees 98 88 206 160
Distribution - Komatsu Cummins Chile, Ltda.        
Equity, royalty and interest income from investees        
Cummins share of net income 8 8 15 18
Distribution - North American distributors        
Equity, royalty and interest income from investees        
Cummins share of net income 0 6 0 11
All Other Distributors        
Equity, royalty and interest income from investees        
Cummins share of net income 0 1 0 1
Manufacturing - Beijing Foton Cummins Engine Company        
Equity, royalty and interest income from investees        
Cummins share of net income 22 22 55 40
Dongfeng Cummins Engine Company Ltd        
Equity, royalty and interest income from investees        
Cummins share of net income 19 15 41 22
Manufacturing - Chongqing Cummins Engine Company, Ltd.        
Equity, royalty and interest income from investees        
Cummins share of net income 10 9 19 17
Manufacturing - All other manufacturers        
Equity, royalty and interest income from investees        
Cummins share of net income $ 27 $ 16 $ 51 $ 32