XML 58 R52.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Asset Impairments - Additional Information (Detail)
$ in Millions
 3 Months Ended 6 Months Ended 12 Months Ended
Dec. 31, 2019
USD ($)
Sep. 30, 2019
Reporting_Unit
Jun. 30, 2019
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Indefinite Lived Intangible Assets By Major Class [Line Items]              
Decrease in trade percentage         14.00%    
Impairment charge on goodwill $ 410   $ 3,099   $ 3,509    
Impairment of intangible assets, indefinite-lived (excluding goodwill) 16   87        
Goodwill 2,807     $ 2,807 $ 2,807 $ 6,264 $ 6,227
Impairment of Intangible Assets, Finite-lived     1,901 22      
Impairment of property, plant and equipment     230        
Impairment of right-of-use assets     $ 56        
Estimated useful lives of intangible assets, minimum         2 years    
Estimated useful lives of intangible assets, maximum         30 years    
Amortization expense, 2019 61     61 $ 61    
Amortization expense, 2020 57     57 57    
Amortization expense, 2021 55     55 55    
Amortization expense, 2022 48     48 48    
Amortization expense, 2023 43     43 43    
Intangibles, net 852     852 852 3,020  
M/D Totco [Member]              
Indefinite Lived Intangible Assets By Major Class [Line Items]              
Goodwill 63     63 63    
PFT [Member]              
Indefinite Lived Intangible Assets By Major Class [Line Items]              
Goodwill 407     407 407    
Wellbore Technologies [Member]              
Indefinite Lived Intangible Assets By Major Class [Line Items]              
Impairment charge on goodwill         2,178    
Reporting units reorganized | Reporting_Unit   2          
Goodwill 843     843 843 3,011 2,956
Impairment of property, plant and equipment       5      
Wellbore Technologies [Member] | Downhole [Member]              
Indefinite Lived Intangible Assets By Major Class [Line Items]              
Goodwill 124     124 124    
Wellbore Technologies [Member] | ReedHycalog [Member]              
Indefinite Lived Intangible Assets By Major Class [Line Items]              
Goodwill 358     358 358    
Wellbore Technologies [Member] | Grant Prideco [Member]              
Indefinite Lived Intangible Assets By Major Class [Line Items]              
Goodwill 125     125 125    
Rig Technologies [Member]              
Indefinite Lived Intangible Assets By Major Class [Line Items]              
Impairment charge on goodwill         312    
Goodwill 910     910 910 1,212 1,149
Impairment of property, plant and equipment       10      
Rig Technologies [Member] | Marine Construction [Member]              
Indefinite Lived Intangible Assets By Major Class [Line Items]              
Goodwill 57     57 57    
Completion & Production Solutions [Member]              
Indefinite Lived Intangible Assets By Major Class [Line Items]              
Impairment charge on goodwill         1,019    
Goodwill 1,054     1,054 1,054 $ 2,041 $ 2,122
Impairment of property, plant and equipment       7      
Completion & Production Solutions [Member] | Completion Tools [Member]              
Indefinite Lived Intangible Assets By Major Class [Line Items]              
Goodwill $ 20     $ 20 $ 20