Annual report pursuant to Section 13 and 15(d)

Income Taxes - Components of Deferred Tax Assets and Liabilities (Details)

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Income Taxes - Components of Deferred Tax Assets and Liabilities (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Net operating loss carryforwards and credits    
Federal $ 2,860 $ 848
Foreign 5 7
State 249 189
Federal and state tax credits 64 28
Disallowed business interest expense carryforward 154 19
Deferred gain 46 46
Other 97 50
Less: valuation allowance (196) (686)
Total deferred tax assets 3,279 501
Deferred tax liabilities    
Investment in limited partnership (554) (375)
Convertible debt (51) (59)
Property, plant and equipment (2,110) (48)
Other (35) (11)
Total deferred tax liabilities (2,750) (493)
Net deferred tax assets $ 529 $ 8