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RESEARCH AND DEVELOPMENT COSTS (Tables) | 12 Months Ended
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Dec. 31, 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:
| Year Ended December 31,
(in millions) | 2021 |  | 2020 |  | 2019
Gross R&D expenditures | $ | 930 |  |  | $ | 533 |  |  | $ | 498 |
Customer reimbursements | (223) |  |  | (57) |  |  | (85) |
Net R&D expenditures | $ | 707 |  |  | $ | 476 |  |  | $ | 413 |

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