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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Other Assets With Determinable Lives [Line Items] |  |  |
Research and development expense | $ 1,334 | $ 1,556 | $ 1,809
Customer-sponsored research and development | 1,200 | 1,079 | 1,069
Capitalized contract fulfillment costs | 1,300 | 1,000 |
Capitalized Contract amounts recognized as Cost of products and services sold | 100 | 100 | $ 100
Lease liabilities | 197 | 167 |
Right-of-use-assets | $ 184 | $ 159 |
Minimum [Member] |  |  |
Other Assets With Determinable Lives [Line Items] |  |  |
Finite Lived Intangible Assets Estimated Useful Lives | 2 years |  |
Maximum [Member] |  |  |
Other Assets With Determinable Lives [Line Items] |  |  |
Finite Lived Intangible Assets Estimated Useful Lives | 24 years |  |
Building and Building Improvements [Member] | Minimum [Member] |  |  |
Property Plant And Equipment Details [Line Items] |  |  |
Property, plant and equipment, estimated useful lives | 10 |  |
Building and Building Improvements [Member] | Maximum [Member] |  |  |
Property Plant And Equipment Details [Line Items] |  |  |
Property, plant and equipment, estimated useful lives | 50 |  |
Machinery and Equipment [Member] | Minimum [Member] |  |  |
Property Plant And Equipment Details [Line Items] |  |  |
Property, plant and equipment, estimated useful lives | 2 |  |
Machinery and Equipment [Member] | Maximum [Member] |  |  |
Property Plant And Equipment Details [Line Items] |  |  |
Property, plant and equipment, estimated useful lives | 16 |  |

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- Definition Amount of accumulated amortization of asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=68051541&loc=SL49131252-203054 + Details
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