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RESEARCH AND DEVELOPMENT COSTS (Tables) | 9 Months Ended
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Sep. 30, 2021
Research and Development [Abstract] |
Schedule of research and development costs | The following table presents the Company’s gross and net expenditures on R&D activities:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
(in millions) | 2021 |  | 2020 |  | 2021 |  | 2020
Gross R&D expenditures | $ | 231 |  |  | $ | 115 |  |  | $ | 675 |  |  | $ | 336 |
Customer reimbursements | (47) |  |  | (15) |  |  | (142) |  |  | (39) |
Net R&D expenditures | $ | 184 |  |  | $ | 100 |  |  | $ | 533 |  |  | $ | 297 |

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