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Summary of Significant Accounting Policies - Additional Information (Detail)
shares in Millions
 3 Months Ended 12 Months Ended
Sep. 30, 2017
USD ($)
Dec. 31, 2015
USD ($)
Mar. 31, 2015
USD ($)
Dec. 31, 2017
USD ($)
Reporting_Unit
shares
Dec. 31, 2016
USD ($)
shares
Dec. 31, 2015
USD ($)
shares
Mar. 31, 2018
USD ($)
Indefinite-lived Intangible Assets [Line Items]              
Maturity period of investments description       Three months or less      
Minimum derivative financial instrument's term (months)       2 months      
Maximum derivative financial instrument's term (months)       24 months      
Additional inventory reserve charges       $ 114,000,000 $ 606,000,000    
Inventory reserves total       $ 800,000,000 $ 1,017,000,000    
Percentage of inventory reserve       21.00% 23.40%    
Depreciation expense related to property, plant and equipment       $ 359,000,000 $ 370,000,000 $ 391,000,000  
Accumulated depreciation       2,559,000,000 2,298,000,000    
Accumulated depreciation for capital leases       18,000,000      
Impairment of long-lived assets       10,000,000 54,000,000 0  
Goodwill   $ 6,980,000,000   6,227,000,000 6,067,000,000 6,980,000,000  
Indefinite-lived intangible assets       $ 3,301,000,000 3,530,000,000    
Estimated useful lives of intangible assets, minimum       2 years      
Estimated useful lives of intangible assets, maximum       30 years      
Amortization expense       $ 320,000,000      
Number of years as first period of amortization       5 years      
Impairment of goodwill         972,000,000    
Net foreign currency transaction gains (losses)       $ (3,000,000) (10,000,000) $ (47,000,000)  
Net investment in Venezuela       0      
Devaluation charges   $ 7,000,000 $ 9,000,000        
Net allowances for doubtful accounts       $ 187,000,000 $ 209,000,000    
Anti-dilutive stock options outstanding | shares       12 14 13  
Scenario, Forecast [Member] | Maximum [Member]              
Indefinite-lived Intangible Assets [Line Items]              
Cumulative impact on retained earnings             $ 50,000,000
ASU 2016-09 [Member] | Retained Earnings (Loss) [Member]              
Indefinite-lived Intangible Assets [Line Items]              
Cumulative impact on retained earnings       $ 1,000,000      
ASU 2016-16 [Member] | New Accounting Pronouncement, Early Adoption, Effect [Member]              
Indefinite-lived Intangible Assets [Line Items]              
Reduction in retained earnings and receivables       5,000,000      
Indefinite-lived Trade Names [Member]              
Indefinite-lived Intangible Assets [Line Items]              
Indefinite-lived intangible assets       $ 384,000,000      
Rig Systems [Member]              
Indefinite-lived Intangible Assets [Line Items]              
Number of reporting units has impairment loss | Reporting_Unit       2      
Rig Offshore [Member]              
Indefinite-lived Intangible Assets [Line Items]              
Impairment of goodwill $ 972,000,000