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Equity - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Class of Stock [Line Items]      
Preferred stock authorized (in shares) 50,000,000    
Common stock par value (in dollars per share) $ 0.0001    
Repurchase and cancellation of Class A common stock $ 434    
GE | BHH LLC      
Class of Stock [Line Items]      
Period of complete divestment   3 years  
GE | BHH LLC | GE      
Class of Stock [Line Items]      
Ownership percentage by noncontrolling owners 11.40% 30.10%  
BHH LLC      
Class of Stock [Line Items]      
Authorized stock repurchase (in shares) 2,000,000,000    
Remaining authorized repurchase amount $ 1,600    
Class A Common Stock      
Class of Stock [Line Items]      
Common stock authorized (in shares) 2,000,000,000 2,000,000,000  
Common stock par value (in dollars per share) $ 0.0001 $ 0.0001  
Common stock outstanding (in shares) 909,000,000 724,000,000  
Stock repurchased and canceled (in shares) 17,600,000    
Repurchase and cancellation of Class A common stock $ 434    
Cash dividends per share (in dollars per share) $ 0.72 $ 0.72 $ 0.72
Class A Common Stock | Cash dividend      
Class of Stock [Line Items]      
Cash dividends per share (in dollars per share) $ 0.72 $ 0.72  
Class B Common Stock      
Class of Stock [Line Items]      
Common stock authorized (in shares) 1,250,000,000 1,250,000,000  
Common stock par value (in dollars per share) $ 0.0001 $ 0.0001  
Common stock outstanding (in shares) 117,000,000 311,000,000