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Debt - Holding Company Debt (Details) - USD ($) $ in Millions		9 Months Ended
	Sep. 05, 2025	Sep. 30, 2025	Sep. 30, 2024	Aug. 31, 2025	Dec. 31, 2024
Debt Instrument
Debt		$ 6,688			$ 6,809
Total cash paid		46	$ 168
Revolving credit facility
Debt Instrument
Total availability under credit agreement		366
Letter of Credit
Debt Instrument
Total availability under credit agreement		25
Holding Company Segment
Debt Instrument
Debt		4,663			4,699
Energy
Debt Instrument
Debt		1,841			1,919
Automotive Segment
Debt Instrument
Debt		22			31
Food Packaging Segment
Debt Instrument
Debt		140			144
Real Estate Segment
Debt Instrument
Debt		1			1
Home Fashion Segment
Debt Instrument
Debt		21			15
Reporting Segments
Debt Instrument
Debt		2,025			2,110
6.250% senior unsecured notes due 2026 | Holding Company Segment
Debt Instrument
Debt		$ 240			$ 719
Interest rate on debt instrument (in percent)	6.25%	6.25%			6.25%
Principal amount repaid	$ 500
5.250% senior unsecured notes due 2027 | Holding Company Segment
Debt Instrument
Debt		$ 1,384			$ 1,384
Interest rate on debt instrument (in percent)		5.25%			5.25%
4.375% senior unsecured notes due 2029 | Holding Company Segment
Debt Instrument
Debt		$ 656			$ 656
Interest rate on debt instrument (in percent)		4.375%			4.375%
9.750% senior unsecured notes due 2029 | Holding Company Segment
Debt Instrument
Debt		$ 698			$ 698
Interest rate on debt instrument (in percent)		9.75%			9.75%
10.000% senior notes due 2029 | Holding Company Segment
Debt Instrument
Debt		$ 988			$ 495
Debt face amount				$ 500
Interest rate on debt instrument (in percent)		10.00%		10.00%	10.00%
9.000% senior unsecured notes due 2030 | Holding Company Segment
Debt Instrument
Debt		$ 697			$ 747
Interest rate on debt instrument (in percent)		9.00%			9.00%
Aggregate principal amount		$ 50
Total cash paid		46
Loss on extinguishment of debt		3
Senior secured term loan | Energy
Debt Instrument
Principal amount repaid		90
Senior secured term loan | Energy | Maximum
Debt Instrument
Loss on extinguishment of debt		$ (2)

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