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Debt Debt Table (Details) - USD ($) $ in Millions | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Debt Instrument [Line Items] |  |
Debt | $ 7,326 | $ 7,372
Holding Company |  |
Debt Instrument [Line Items] |  |
Debt | 5,505 | 5,507
Holding Company | 6.000% senior unsecured notes due 2020 |  |
Debt Instrument [Line Items] |  |
Debt | 1,702 | 1,703
Holding Company | 5.875% senior unsecured notes due 2022 |  |
Debt Instrument [Line Items] |  |
Debt | 1,344 | 1,342
Holding Company | 6.250% senior unsecured notes due 2022 |  |
Debt Instrument [Line Items] |  |
Debt | 1,213 | 1,216
Holding Company | 6.750% senior unsecured notes due 2024 |  |
Debt Instrument [Line Items] |  |
Debt | 498 | 498
Holding Company | 6.375% senior unsecured notes due 2025 |  |
Debt Instrument [Line Items] |  |
Debt | 748 | 748
Energy Segment |  |
Debt Instrument [Line Items] |  |
Debt | 1,170 | 1,166
Automotive Segment |  |
Debt Instrument [Line Items] |  |
Debt | 372 | 340
Food Packaging Segment |  |
Debt Instrument [Line Items] |  |
Debt | 273 | 273
Metals Segment |  |
Debt Instrument [Line Items] |  |
Debt | 0 | 1
Real Estate Segment |  |
Debt Instrument [Line Items] |  |
Debt | 2 | 22
Home Fashion Segment |  |
Debt Instrument [Line Items] |  |
Debt | 4 | 5
Mining Segment |  |
Debt Instrument [Line Items] |  |
Debt | 0 | 58
Reporting Segments |  |
Debt Instrument [Line Items] |  |
Debt | $ 1,821 | $ 1,865

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