REVENUE RECOGNITION DISAGGREGATION OF REVENUES (Tables)
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6 Months Ended | 
Jun. 30, 2022  | 
| Disaggregation of Revenue [Line Items] | 
 
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| Revenue from External Customers by Geographic Areas | 
 The table below presents our consolidated sales by geographic area. Net sales attributed to geographic areas were based on the location of the customer. 
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Three months ended | 
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Six months ended | 
 
| In millions | 
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June 30, 2022 | 
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July 4, 2021 | 
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June 30, 2022 | 
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July 4, 2021 | 
 
| United States | 
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$ | 
3,788 
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$ | 
3,263  | 
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$ | 
7,245 
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$ | 
6,323  | 
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| China | 
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520 
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832  | 
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1,173 
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1,789  | 
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| India | 
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311 
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217  | 
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620 
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547  | 
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| Other international | 
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1,967 
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1,799  | 
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3,933 
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3,544  | 
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| Total net sales | 
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$ | 
6,586 
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$ | 
6,111  | 
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$ | 
12,971 
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$ | 
12,203  | 
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| Engine | 
 
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| Disaggregation of Revenue [Line Items] | 
 
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| Revenue from External Customers by Market | 
 Engine segment external sales by market were as follows: 
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Three months ended | 
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Six months ended | 
 
| In millions | 
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June 30, 2022 | 
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July 4, 2021 | 
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June 30, 2022 | 
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July 4, 2021 | 
 
| Heavy-duty truck | 
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$ | 
797 
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$ | 
666  | 
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$ | 
1,481 
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$ | 
1,279  | 
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| Medium-duty truck and bus | 
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620 
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477  | 
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1,211 
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960  | 
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| Light-duty automotive | 
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425 
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466  | 
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912 
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940  | 
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| Total on-highway | 
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1,842 
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1,609  | 
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3,604 
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3,179  | 
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| Off-highway | 
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250 
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311  | 
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537 
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636  | 
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| Total sales | 
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$ | 
2,092 
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$ | 
1,920  | 
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$ | 
4,141 
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$ | 
3,815  | 
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| Distribution | 
 
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| Disaggregation of Revenue [Line Items] | 
 
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| Revenue from External Customers by Geographic Areas | 
 Distribution segment external sales by region were as follows: 
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Three months ended | 
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Six months ended | 
 
| In millions | 
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June 30, 2022 | 
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July 4, 2021 | 
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June 30, 2022 | 
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July 4, 2021 | 
 
| North America | 
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$ | 
1,491 
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$ | 
1,228  | 
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$ | 
2,862 
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$ | 
2,394  | 
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| Asia Pacific | 
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242 
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226  | 
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486 
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439  | 
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| Europe | 
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177 
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161  | 
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320 
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324  | 
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| China | 
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99 
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74  | 
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181 
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159  | 
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| Russia | 
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75 
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66  | 
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211 
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123  | 
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| Latin America | 
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56 
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48  | 
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97 
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88  | 
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| Africa and Middle East | 
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55 
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69  | 
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101 
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123  | 
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| India | 
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52 
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41  | 
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100 
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90  | 
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| Total sales | 
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$ | 
2,247 
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$ | 
1,913  | 
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$ | 
4,358 
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$ | 
3,740  | 
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| Revenue from External Customers by Products and Services | 
 Distribution segment external sales by product line were as follows: 
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Three months ended | 
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Six months ended | 
 
| In millions | 
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June 30, 2022 | 
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July 4, 2021 | 
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June 30, 2022 | 
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July 4, 2021 | 
 
| Parts | 
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$ | 
987 
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$ | 
763  | 
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$ | 
1,913 
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$ | 
1,517  | 
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| Power generation | 
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440 
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452  | 
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838 
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868  | 
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| Engines | 
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428 
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349  | 
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866 
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682  | 
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| Service | 
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392 
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349  | 
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741 
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673  | 
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| Total sales | 
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$ | 
2,247 
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$ | 
1,913  | 
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$ | 
4,358 
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$ | 
3,740  | 
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| Components | 
 
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| Disaggregation of Revenue [Line Items] | 
 
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| Revenue from External Customers by Products and Services | 
 Components segment external sales by business were as follows: 
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Three months ended | 
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Six months ended | 
 
| In millions | 
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June 30, 2022 | 
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July 4, 2021 | 
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June 30, 2022 | 
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July 4, 2021 | 
 
| Emission solutions | 
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$ | 
767 
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$ | 
801  | 
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$ | 
1,575 
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$ | 
1,767  | 
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| Filtration | 
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319 
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303  | 
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627 
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604  | 
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| Turbo technologies | 
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195 
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207  | 
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392 
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432  | 
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| Automated transmissions | 
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143 
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147  | 
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277 
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262  | 
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| Electronics and fuel systems | 
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53 
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98  | 
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123 
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215  | 
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| Total sales | 
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$ | 
1,477 
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$ | 
1,556  | 
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$ | 
2,994 
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$ | 
3,280  | 
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| Power Systems | 
 
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| Disaggregation of Revenue [Line Items] | 
 
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| Revenue from External Customers by Products and Services | 
 Power Systems segment external sales by product line were as follows: 
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Three months ended | 
 | 
Six months ended | 
 
| In millions | 
 | 
June 30, 2022 | 
 | 
July 4, 2021 | 
 | 
June 30, 2022 | 
 | 
July 4, 2021 | 
 
| Power generation | 
 | 
$ | 
408 
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$ | 
381  | 
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$ | 
807 
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$ | 
732  | 
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| Industrial | 
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213 
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233  | 
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401 
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412  | 
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| Generator technologies | 
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113 
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85  | 
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209 
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167  | 
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| Total sales | 
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$ | 
734 
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$ | 
699  | 
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$ | 
1,417 
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$ | 
1,311  | 
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