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REVENUE FROM CONTRACTS WITH CUSTOMERS - Disaggregation of revenue (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2020
Disaggregation of Revenue [Line Items] |  |  |
Net sales | $ 4,009 | $ 2,279 |
Deferred Income, Noncurrent | 64 |  | $ 55
Other non-current liabilities |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Deferred income | 6 |  | $ 6
Air Management |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 1,968 | 1,419 |
e-Propulsion & Drivetrain |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 1,419 | 860 |
Fuel Injection |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 426 | 0 |
Aftermarket |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 196 | 0 |
North America |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 1,137 | 810 |
North America | Air Management |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 532 | 387 |
North America | e-Propulsion & Drivetrain |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 535 | 423 |
North America | Fuel Injection |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 3 | 0 |
North America | Aftermarket |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 67 | 0 |
Europe |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 1,482 | 902 |
Europe | Air Management |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 833 | 711 |
Europe | e-Propulsion & Drivetrain |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 276 | 191 |
Europe | Fuel Injection |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 271 | 0 |
Europe | Aftermarket |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 102 | 0 |
Asia |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 1,324 | 533 |
Asia | Air Management |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 572 | 291 |
Asia | e-Propulsion & Drivetrain |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 602 | 242 |
Asia | Fuel Injection |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 137 | 0 |
Asia | Aftermarket |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 13 | 0 |
Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 66 | 34 |
Other | Air Management |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 31 | 30 |
Other | e-Propulsion & Drivetrain |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 6 | 4 |
Other | Fuel Injection |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 15 | 0 |
Other | Aftermarket |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | $ 14 | $ 0 |

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