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Debt Debt Table (Details) - USD ($) $ in Millions | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Debt Instrument [Line Items] |  |
Debt | $ 8,192 | $ 7,326
Holding Company |  |
Debt Instrument [Line Items] |  |
Debt | 6,297 | 5,505
Holding Company | 6.000% senior unsecured notes due 2020 |  |
Debt Instrument [Line Items] |  |
Debt | 0 | 1,702
Holding Company | 5.875% senior unsecured notes due 2022 |  |
Debt Instrument [Line Items] |  |
Debt | 1,345 | 1,344
Holding Company | 6.250% senior unsecured notes due 2022 |  |
Debt Instrument [Line Items] |  |
Debt | 1,211 | 1,213
Holding Company | 6.750% senior unsecured notes due 2024 |  |
Debt Instrument [Line Items] |  |
Debt | 498 | 498
Holding Company | 4.750% senior unsecured notes due 2024 |  |
Debt Instrument [Line Items] |  |
Debt | 498 | 0
Holding Company | 6.375% senior unsecured notes due 2025 |  |
Debt Instrument [Line Items] |  |
Debt | 748 | 748
Holding Company | 6.250% senior unsecured notes due 2026 |  |
Debt Instrument [Line Items] |  |
Debt | 1,250 | 0
Holding Company | 5.250% senior unsecured notes due 2027 |  |
Debt Instrument [Line Items] |  |
Debt | 747 | 0
Energy Segment |  |
Debt Instrument [Line Items] |  |
Debt | 1,195 | 1,170
Automotive Segment |  |
Debt Instrument [Line Items] |  |
Debt | 405 | 372
Food Packaging Segment |  |
Debt Instrument [Line Items] |  |
Debt | 268 | 273
Metals Segment |  |
Debt Instrument [Line Items] |  |
Debt | 7 | 0
Real Estate Segment |  |
Debt Instrument [Line Items] |  |
Debt | 2 | 2
Home Fashion Segment |  |
Debt Instrument [Line Items] |  |
Debt | 18 | 4
Reporting Segments |  |
Debt Instrument [Line Items] |  |
Debt | $ 1,895 | $ 1,821

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