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Debt (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2019 | Mar. 31, 2018 | Dec. 31, 2018
Debt Instrument [Line Items] |  |  |
Debt | $ 7,392 |  | $ 7,326
Amortization included in interest expense | 1 | $ 1 |
Holding Company |  |  |
Debt Instrument [Line Items] |  |  |
Debt | 5,505 |  | 5,505
Energy Segment |  |  |
Debt Instrument [Line Items] |  |  |
Debt | 1,196 |  | 1,170
Automotive Segment |  |  |
Debt Instrument [Line Items] |  |  |
Debt | 405 |  | 372
Food Packaging Segment |  |  |
Debt Instrument [Line Items] |  |  |
Debt | 271 |  | 273
Metals Segment |  |  |
Debt Instrument [Line Items] |  |  |
Debt | 1 |  | 0
Real Estate Segment |  |  |
Debt Instrument [Line Items] |  |  |
Debt | 2 |  | 2
Home Fashion Segment |  |  |
Debt Instrument [Line Items] |  |  |
Debt | 12 |  | 4
Reporting Segments |  |  |
Debt Instrument [Line Items] |  |  |
Debt | 1,887 |  | 1,821
6.000% senior unsecured notes due 2020 | Holding Company |  |  |
Debt Instrument [Line Items] |  |  |
Debt | 1,702 |  | 1,702
5.875% senior unsecured notes due 2022 | Holding Company |  |  |
Debt Instrument [Line Items] |  |  |
Debt | 1,344 |  | 1,344
6.250% senior unsecured notes due 2022 | Holding Company |  |  |
Debt Instrument [Line Items] |  |  |
Debt | 1,213 |  | 1,213
6.750% senior unsecured notes due 2024 | Holding Company |  |  |
Debt Instrument [Line Items] |  |  |
Debt | 498 |  | 498
6.375% senior unsecured notes due 2025 | Holding Company |  |  |
Debt Instrument [Line Items] |  |  |
Debt | $ 748 |  | $ 748

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