Debt (Details) - USD ($) $ in Millions	Dec. 31, 2021	Apr. 30, 2021	Jan. 31, 2021	Dec. 31, 2020	Jan. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	May 31, 2019
Debt Instrument [Line Items]
Debt	$ 7,692			$ 8,059
Holding Company
Debt Instrument [Line Items]
Debt	5,810			5,811
Energy Segment
Debt Instrument [Line Items]
Debt	1,660			1,691
Automotive Segment
Debt Instrument [Line Items]
Debt	26			368
Food Packaging Segment
Debt Instrument [Line Items]
Debt	155			151
Metals Segment
Debt Instrument [Line Items]
Debt				16
Real Estate Segment
Debt Instrument [Line Items]
Debt	1			1
Home Fashion Segment
Debt Instrument [Line Items]
Debt	40			21
Reporting Segments
Debt Instrument [Line Items]
Debt	$ 1,882			2,248
6.000% senior unsecured notes due 2020 | Holding Company
Debt Instrument [Line Items]
Interest rate on debt instrument								6.00%	6.00%
5.875% senior unsecured notes due 2022 | Holding Company
Debt Instrument [Line Items]
Debt				1,209
Interest rate on debt instrument	6.25%				6.25%
6.250% senior unsecured notes due 2022 | Holding Company
Debt Instrument [Line Items]
Interest rate on debt instrument		5.875%	6.25%
6.750% senior unsecured notes due 2024 | Holding Company
Debt Instrument [Line Items]
Debt	$ 499			499
Interest rate on debt instrument	6.75%
4.750% senior unsecured note due 2024 | Holding Company
Debt Instrument [Line Items]
Debt	$ 1,105			1,106
Interest rate on debt instrument	4.75%	4.75%					4.75%
6.375% senior unsecured notes due 2025 | Holding Company
Debt Instrument [Line Items]
Debt	$ 748			748
Interest rate on debt instrument	6.375%
6.250% senior unsecured notes due 2026 | Holding Company
Debt Instrument [Line Items]
Debt	$ 1,250			1,250
Interest rate on debt instrument	6.25%							6.25%	6.25%
5.250% senior unsecured note due 2027 | Holding Company
Debt Instrument [Line Items]
Debt	$ 1,461			$ 999
Interest rate on debt instrument	5.25%	5.25%			5.25%	5.25%
5.25% senior unsecured notes due 2025 | Energy Segment
Debt Instrument [Line Items]
Interest rate on debt instrument	5.25%
5.75% senior unsecured notes due 2028 | Energy Segment
Debt Instrument [Line Items]
Interest rate on debt instrument	5.75%
4.375% senior unsecured note due 2029 | Holding Company
Debt Instrument [Line Items]
Debt	$ 747
Interest rate on debt instrument	4.375%