Quarterly report pursuant to Section 13 or 15(d)

OPERATING SEGMENTS (Details)

v2.4.0.8
OPERATING SEGMENTS (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 6 Months Ended 0 Months Ended 3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended
Jun. 30, 2013
Jul. 01, 2012
Jun. 30, 2013
Jul. 01, 2012
May 31, 2013
Cummins Rocky Mountain LLC
Jan. 31, 2013
Cummins Northwest
Jun. 30, 2013
Engine
Jul. 01, 2012
Engine
Jun. 30, 2013
Engine
Jul. 01, 2012
Engine
Jun. 30, 2013
Components
Jul. 01, 2012
Components
Jun. 30, 2013
Components
Jul. 01, 2012
Components
Jun. 30, 2013
Power Generation
Jul. 01, 2012
Power Generation
Jun. 30, 2013
Power Generation
Jul. 01, 2012
Power Generation
Jun. 30, 2013
Distribution
Jul. 01, 2012
Distribution
Jun. 30, 2013
Distribution
Jul. 01, 2012
Distribution
Jun. 30, 2013
Distribution
Cummins Rocky Mountain LLC
Jun. 30, 2013
Distribution
Cummins Rocky Mountain LLC
Jun. 30, 2013
Distribution
Cummins Northwest
Jun. 30, 2013
Non-segment items
Jul. 01, 2012
Non-segment items
Jun. 30, 2013
Non-segment items
Jul. 01, 2012
Non-segment items
Jun. 30, 2013
Reportable segment
Jul. 01, 2012
Reportable segment
Jun. 30, 2013
Reportable segment
Jul. 01, 2012
Reportable segment
Jun. 30, 2013
Reportable segment
Engine
Jul. 01, 2012
Reportable segment
Engine
Jun. 30, 2013
Reportable segment
Engine
Jul. 01, 2012
Reportable segment
Engine
Jun. 30, 2013
Reportable segment
Components
Jul. 01, 2012
Reportable segment
Components
Jun. 30, 2013
Reportable segment
Components
Jul. 01, 2012
Reportable segment
Components
Jun. 30, 2013
Reportable segment
Power Generation
Jul. 01, 2012
Reportable segment
Power Generation
Jun. 30, 2013
Reportable segment
Power Generation
Jul. 01, 2012
Reportable segment
Power Generation
Jun. 30, 2013
Reportable segment
Distribution
Jul. 01, 2012
Reportable segment
Distribution
Jun. 30, 2013
Reportable segment
Distribution
Jul. 01, 2012
Reportable segment
Distribution
Jun. 30, 2013
Reportable segment
Non-segment items
Jul. 01, 2012
Reportable segment
Non-segment items
Jun. 30, 2013
Reportable segment
Non-segment items
Jul. 01, 2012
Reportable segment
Non-segment items
Jun. 30, 2013
Intersegment sales
Engine
Jul. 01, 2012
Intersegment sales
Engine
Jun. 30, 2013
Intersegment sales
Engine
Jul. 01, 2012
Intersegment sales
Engine
Jun. 30, 2013
Intersegment sales
Components
Jul. 01, 2012
Intersegment sales
Components
Jun. 30, 2013
Intersegment sales
Components
Jul. 01, 2012
Intersegment sales
Components
Jun. 30, 2013
Intersegment sales
Power Generation
Jul. 01, 2012
Intersegment sales
Power Generation
Jun. 30, 2013
Intersegment sales
Power Generation
Jul. 01, 2012
Intersegment sales
Power Generation
Jun. 30, 2013
Intersegment sales
Distribution
Jul. 01, 2012
Intersegment sales
Distribution
Jun. 30, 2013
Intersegment sales
Distribution
Jul. 01, 2012
Intersegment sales
Distribution
Jun. 30, 2013
Intersegment sales
Non-segment items
Jul. 01, 2012
Intersegment sales
Non-segment items
Jun. 30, 2013
Intersegment sales
Non-segment items
Jul. 01, 2012
Intersegment sales
Non-segment items
Segment reporting                                                                                                                                                  
Total sales $ 4,525 [1] $ 4,452 [1] $ 8,447 [1] $ 8,924 [1]     $ 2,209 $ 2,381 $ 4,094 $ 4,793 $ 786 $ 710 $ 1,508 $ 1,484 $ 583 $ 572 $ 1,122 $ 1,088 $ 947 $ 789 $ 1,723 $ 1,559               $ 4,525 $ 4,452 $ 8,447 $ 8,924 $ 2,656 $ 2,841 $ 4,959 $ 5,700 $ 1,117 $ 1,036 $ 2,135 $ 2,135 $ 814 $ 909 $ 1,560 $ 1,689 $ 954 $ 794 $ 1,732 $ 1,569 $ (1,016) $ (1,128) $ (1,939) $ (2,169) $ 447 $ 460 $ 865 $ 907 $ 331 $ 326 $ 627 $ 651 $ 231 $ 337 $ 438 $ 601 $ 7 $ 5 $ 9 $ 10 $ (1,016) $ (1,128) $ (1,939) $ (2,169)
Depreciation and amortization 101 85 199 169     51 47 103 94 23 19 47 38 12 11 24 22 15 8 25 15                                                                                                      
Research, development and engineering expenses 177 187 359 368     102 115 207 226 57 51 114 102 17 19 35 37 1 2 3 3                                                                                                      
Equity, royalty and interest income from investees 108 104 190 208     52 37 75 75 9 8 16 16 10 10 17 20 37 49 82 97                                                                                                      
Interest income 10 7 15 15     7 3 9 7   1 1 2 2 3 4 5 1   1 1                                                                                                      
Segment EBIT 621 669 1,058 1,327     339 376 534 757 136 116 255 259 76 94 127 170 100 92 195 186       (30) (9) (53) (45)                                                                                        
Less: Interest expense 8 8 14 16                                                                                                                                          
INCOME BEFORE INCOME TAXES 613 661 1,044 1,311                                                                                                                                          
Gain on sale of business       6                                             6   6                                                                                        
After-tax gain on sale of business                                                     4   4                                                                                        
Gain on fair value adjustment resulting from acquisition     $ 12   $ 5 $ 7                                 $ 5 $ 5 $ 7                                                                                                
[1] Includes sales to nonconsolidated equity investees of $576 million and $1,128 million and $622 million and $1,291 million for the three and six months ended June 30, 2013 and July 1, 2012, respectively.