v3.19.1

Debt (Debt Textuals) (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Jun. 30, 2019 | Mar. 31, 2019 | Mar. 31, 2018 | Apr. 05, 2019
Line of Credit Facility [Line Items] |  |  |  |
Gain (Loss) on Extinguishment of Debt |  | $ 4 | $ 0 |
Debt Instruments [Abstract] |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage |  | 5.90% | 5.60% |
CDHI [Member] |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Future Line of Credit Facility Maximum Borrowing Capacity |  | $ 125 |  |
Other Corporate Facilities [Member] |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | 200 |  |
2026 First Lien Term Loan [Member] | Subsequent Event [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) |  |  |
Amendment No. 6 [Member] | Subsequent Event [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 |  |
Goldman Sachs - Amendment No 3 [Member] | Subsequent Event [Member] | Other Corporate Facilities [Member] |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Line of Credit Facility, Increase (Decrease), Net | $ 100 |  |  |
Federal Funds Effective Rate [Member] | 2026 First Lien Notes [Member] | Subsequent Event [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] | Subsequent Event [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] | Subsequent Event [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] | Subsequent Event [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] | Subsequent Event [Member] |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  | 0.00%

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