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INTANGIBLES - Intangible Assets Other Than Goodwill and Trademarks (Details) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
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Finite Lived Intangible Assets [Line Items] |  |
Intangible assets, net of accumulated amortization | $ 3,070 | $ 3,218
Intellectual property, patents, and other intangibles, net of accumulated amortization of $334 and $223 |  |
Finite Lived Intangible Assets [Line Items] |  |
Intangible assets, accumulated amortization | 334 | 223
Intangible assets, net of accumulated amortization | 977 | 1,008
Backlog, net of accumulated amortization of $309 and $206 |  |
Finite Lived Intangible Assets [Line Items] |  |
Intangible assets, accumulated amortization | 309 | 206
Intangible assets, net of accumulated amortization | 1,114 | 1,224
Customer relationships, net of accumulated amortization of $331 and $276 |  |
Finite Lived Intangible Assets [Line Items] |  |
Intangible assets, accumulated amortization | 331 | 276
Intangible assets, net of accumulated amortization | $ 979 | $ 986

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