v3.19.3.a.u2
Goodwill and Intangible Assets - Summary of Acquired Intangible Assets (Detail) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Acquired Intangible Assets [Line Items]    
Finite-lived intangible assets, Gross Carrying Amount $ 445 $ 346
Finite-lived intangible assets, Accumulated Amortization (113) (113)
Finite-lived intangible assets, Other 2 2
Finite-lived intangible assets, Net Carrying Amount 334 235
Indefinite-lived intangible assets, Gross Carrying Amount 65 60
Indefinite-lived intangible assets, Other (60) (13)
Indefinite-lived intangible assets, Net Carrying Amount 5 47
Intangible Assets, Gross Carrying Amount 510 406
Intangible assets, Other (58) (11)
Intangible Assets, Net Carrying Amount 339 282
Gigafactory Nevada Water Rights [Member]    
Acquired Intangible Assets [Line Items]    
Indefinite-lived intangible assets, Gross Carrying Amount 5  
Indefinite-lived intangible assets, Net Carrying Amount 5  
In-Process Research and Development (“IPR&D”) [Member]    
Acquired Intangible Assets [Line Items]    
Indefinite-lived intangible assets, Gross Carrying Amount 60 60
Indefinite-lived intangible assets, Other (60) (13)
Indefinite-lived intangible assets, Net Carrying Amount   47
Developed Technology [Member]    
Acquired Intangible Assets [Line Items]    
Finite-lived intangible assets, Gross Carrying Amount 291 152
Finite-lived intangible assets, Accumulated Amortization (72) (40)
Finite-lived intangible assets, Other 1 1
Finite-lived intangible assets, Net Carrying Amount 220 113
Trade names [Member]    
Acquired Intangible Assets [Line Items]    
Finite-lived intangible assets, Gross Carrying Amount 3 45
Finite-lived intangible assets, Accumulated Amortization (1) (44)
Finite-lived intangible assets, Other 1  
Finite-lived intangible assets, Net Carrying Amount 3 1
Favorable Contracts and Leases, Net [Member]    
Acquired Intangible Assets [Line Items]    
Finite-lived intangible assets, Gross Carrying Amount 113 113
Finite-lived intangible assets, Accumulated Amortization (24) (17)
Finite-lived intangible assets, Net Carrying Amount 89 96
Other [Member]    
Acquired Intangible Assets [Line Items]    
Finite-lived intangible assets, Gross Carrying Amount 38 36
Finite-lived intangible assets, Accumulated Amortization (16) (12)
Finite-lived intangible assets, Other   1
Finite-lived intangible assets, Net Carrying Amount $ 22 $ 25