Consolidated Balance Sheets - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents (Note 7)	$ 106	$ 101
Restricted cash (Note 7)	0	4
Counterparty collateral	0	6
Trade receivables (Note 7)	65	50
Derivative assets, current	3	14
Prepaid expenses (Note 7)	16	18
Deferred financing costs, current, net of accumulated amortization of $4 and $3 as of September 30, 2019 and December 31, 2018, respectively	2	2
Sales tax receivable	27	1
Other current assets (Note 7)	22	15
Total current assets	241	211
Restricted cash (Note 7)	13	18
Major construction advances	46	84
Construction in progress	500	259
Property, plant and equipment, net (Note 7)	3,917	4,119
Unconsolidated investments (Note 7)	281	270
Derivative assets	7	9
Deferred financing costs	7	8
Net deferred tax assets	12	5
Intangible assets, net (Note 7)	211	219
Goodwill	60	58
Other assets (Note 7)	101	34
Total assets	5,396	5,294
Current liabilities:
Accounts payable and other accrued liabilities (Note 7)	66	67
Accrued construction costs (Note 7)	51	27
Counterparty collateral liability	0	6
Accrued interest (Note 7)	7	14
Dividends payable	42	42
Derivative liabilities, current	6	2
Revolving credit facility, current	39	198
Current portion of long-term debt, net	329	56
Asset retirement obligation, current	21	24
Contingent liabilities, current	129	31
Other current liabilities (Note 7)	27	11
Total current liabilities	717	478
Revolving credit facility	25	25
Long-term debt, net	2,172	2,004
Derivative liabilities	81	31
Net deferred tax liabilities	123	117
Intangible liabilities, net (Note 7)	45	56
Contingent liabilities (Note 7)	37	142
Asset retirement obligations (Note 7)	213	185
Other long-term liabilities (Note 7)	128	71
Contract liability	26	26
Total liabilities	3,567	3,135
Commitments and contingencies (Note 16)
Equity:
Class A common stock, $0.01 par value per share: 500,000,000 shares authorized; 98,240,118 and 98,051,629 shares outstanding as of September 30, 2019 and December 31, 2018, respectively	1	1
Additional paid-in capital	1,009	1,130
Accumulated loss	(115)	(27)
Accumulated other comprehensive loss	(101)	(52)
Treasury stock, at cost; 249,481 and 223,040 shares of Class A common stock as of September 30, 2019 and December 31, 2018, respectively	(5)	(5)
Total equity before noncontrolling interest	789	1,047
Noncontrolling interest	1,040	1,112
Total equity	1,829	2,159
Total liabilities and equity	$ 5,396	$ 5,294