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v3.20.2

Long-term Debt - Schedule of Long-term Debt (Details) $ / shares in Units, $ in Millions |  | 9 Months Ended |  |
--- | --- | --- | --- | ---
Oct. 30, 2020 $ / shares | Sep. 30, 2020 USD ($) | Mar. 11, 2020 | Dec. 31, 2019 USD ($)
Debt Instrument [Line Items] |  |  |  |
Debt amount |  | $ 5,929 |  | $ 6,042
Less current maturities |  | (3) |  | (88)
Less debt issuance costs |  | (59) |  | (65)
Discounts |  | (75) |  | (86)
Long-term debt |  | 5,792 |  | 5,803
Recourse Debt |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt amount |  | 5,925 |  | 6,008
Recourse Debt | Senior Notes, due 2026 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt amount |  | $ 1,000 |  | 1,000
Interest rate, stated percentage |  | 7.25% |  |
Recourse Debt | Senior Notes, due 2027 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt amount |  | $ 1,230 |  | 1,230
Interest rate, stated percentage |  | 6.625% |  |
Recourse Debt | Senior Notes, due 2028 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt amount |  | $ 821 |  | 821
Interest rate, stated percentage |  | 5.75% |  |
Recourse Debt | Senior Notes, due 2029 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt amount |  | $ 733 |  | 733
Interest rate, stated percentage |  | 5.25% |  |
Recourse Debt | Convertible Senior Notes Due 2048 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt amount |  | $ 575 |  | 575
Interest rate, stated percentage |  | 2.75% |  |
Recourse Debt | Convertible Senior Notes Due 2048 | Subsequent Event |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Convertible Notes, conversion price (in usd per share) | $ / shares | $ 46.24 |  |  |
Conversion rate | 0.02162 |  |  |
Recourse Debt | Senior Secured First Lien Notes, due 2024 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt amount |  | $ 600 |  | 600
Interest rate, stated percentage |  | 3.75% |  |
Recourse Debt | Senior Secured First Lien Notes, due 2029 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt amount |  | $ 500 |  | 500
Interest rate, stated percentage |  | 4.45% |  |
Recourse Debt | Tax-exempt bonds |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt amount |  | $ 466 |  | 466
Recourse Debt | Tax-exempt bonds | Minimum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest rate, stated percentage |  | 1.30% | 1.30% |
Recourse Debt | Tax-exempt bonds | Maximum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest rate, stated percentage |  | 6.00% |  |
Line of Credit | Revolving Credit Facility | Revolver Facility |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt amount |  | $ 0 |  | 83
Line of Credit | Revolving Credit Facility | Revolver Facility | LIBOR |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate |  | 1.75% |  |
Non Recourse Debt |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt amount |  | $ 4 |  | 34
Non Recourse Debt | Other |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt amount |  | $ 4 |  | $ 34

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