Quarterly report pursuant to Section 13 or 15(d)

BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details)

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BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details)
shares in Millions, $ in Millions
3 Months Ended 9 Months Ended
Jan. 01, 2022
shares
Dec. 31, 2021
USD ($)
Sep. 30, 2021
USD ($)
shares
Sep. 30, 2020
shares
Sep. 30, 2021
USD ($)
segments
shares
Sep. 30, 2020
shares
Dec. 31, 2020
USD ($)
Schedule of Equity Method Investments [Line Items]              
Number of operating segments | segments         4    
Number of reportable segments | segments         1    
Business Acquisition [Line Items]              
Convertible senior notes (in shares) | shares     24 0 21 0  
Forecast [Member] | Accounting Standards Update 2020-06              
Business Acquisition [Line Items]              
Convertible senior notes (in shares) | shares 17            
FPT | Forecast [Member]              
Business Acquisition [Line Items]              
Cash consideration | $   $ 775          
Other Noncurrent Assets              
Schedule of Equity Method Investments [Line Items]              
Investment in affiliates | $     $ 116   $ 116   $ 105