v3.19.2

Debt (Debt Textuals) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018 | Apr. 05, 2019
Line of Credit Facility [Line Items] |  |  |  |  |
Gain (Loss) on Extinguishment of Debt | $ (3) | $ 0 | $ 1 | $ 0 |
Debt Instruments [Abstract] |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage | 5.90% | 5.70% | 5.90% | 5.70% |
CDHI [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Future Line of Credit Facility Maximum Borrowing Capacity | $ 125 |  | $ 125 |  |
Other Corporate Facilities [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 300 |  | 300 |  |
2026 First Lien Term Loan [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  | $ 950
Percentage of principal amount of Term Loan to be paid quarterly | 0.25% |  |  |  |
Debt Instrument Unamortized Discount Percent |  |  |  |  | 1.00%
Debt Issuance Costs, Net |  |  |  |  | $ 7
Gain (Loss) on Extinguishment of Debt | $ (3) |  |  |  |
Russell City and Los Esteros Project Debt [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Long-term Debt, Excluding Current Maturities | 362 |  | 362 |  |
Amendment No. 6 [Member] | Revolving Credit Facility [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Line of Credit Facility, Increase (Decrease), Net | 330 |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  | $ 2,020
Amendment No. 8 [Member] | Revolving Credit Facility [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 1,690 |  | $ 1,690 |  |
Federal Funds Effective Rate [Member] | 2026 First Lien Term Loan [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate | 0.50% |  |  |  |
Eurodollar Rate For A One-Month Interest Period [Member] | 2026 First Lien Term Loan [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate | 1.00% |  |  |  |
Prime Rate or The Eurodollar Rate For A One-Month Interest Period [Member] | 2026 First Lien Term Loan [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate | 1.75% |  |  |  |
London Interbank Offered Rate (LIBOR) [Member] | 2026 First Lien Term Loan [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate | 2.75% |  |  |  |
Minimum [Member] | London Interbank Offered Rate (LIBOR) [Member] | 2026 First Lien Term Loan [Member] |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  | 0.00%

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