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Subsequent Event Narrative (Details) - Sensia - USD ($)
$ in Millions
12 Months Ended
Oct. 01, 2019
Sep. 30, 2019
Subsequent Event [Line Items]    
Business acquisition, pro forma revenue   $ 6,900.0
Subsequent Event    
Subsequent Event [Line Items]    
Business acquisition, percentage of voting interests acquired 53.00%  
Cash $ 250.0  
Noncontrolling interest $ 294.0  
Schlumberger | Subsequent Event    
Subsequent Event [Line Items]    
Business acquisition, percentage of voting interests acquired 47.00%