Quarterly report pursuant to Section 13 or 15(d)

ACQUISITION (Details)

v3.20.2
ACQUISITION (Details) - USD ($)
$ in Millions
12 Months Ended
Sep. 09, 2019
Dec. 31, 2018
Sep. 27, 2020
Dec. 31, 2019
Business Acquisition [Line Items]        
Goodwill     $ 1,288 $ 1,286
Hydrogenics Corporation        
Business Acquisition [Line Items]        
Business Acquisition, Percentage of Voting Interests Acquired 81.00%      
Payments to Acquire Businesses, Gross $ 235      
Business Combination, Consideration Transferred 235      
Goodwill 161      
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill 161      
Business Acquisition, Revenue Reported by Acquired Entity for Last Annual Period   $ 34    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory 21      
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets 25      
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets 18      
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities (53)      
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities (42)      
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net 291      
Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value $ 56      
Hydrogenics Corporation | L'Air Liquide, S.A.        
Business Acquisition [Line Items]        
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners 19.00%      
Technology-Based Intangible Assets | Hydrogenics Corporation        
Business Acquisition [Line Items]        
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill $ 96      
Customer Relationships | Hydrogenics Corporation        
Business Acquisition [Line Items]        
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill 29      
Intellectual Property | Hydrogenics Corporation        
Business Acquisition [Line Items]        
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill 35      
Other Intangible Assets | Hydrogenics Corporation        
Business Acquisition [Line Items]        
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill $ 1      
Minimum | Hydrogenics Corporation        
Business Acquisition [Line Items]        
Finite-Lived Intangible Asset, Useful Life 3 years      
Minimum | Customer Relationships | Hydrogenics Corporation        
Business Acquisition [Line Items]        
Finite-Lived Intangible Asset, Useful Life 15 years      
Maximum | Hydrogenics Corporation        
Business Acquisition [Line Items]        
Finite-Lived Intangible Asset, Useful Life 20 years      
Amortization of Intangible Assets $ 8      
Maximum | Customer Relationships | Hydrogenics Corporation        
Business Acquisition [Line Items]        
Finite-Lived Intangible Asset, Useful Life 20 years