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Debt - Holding Company Debt (Details) - USD ($) $ in Millions	1 Months Ended	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2025	Dec. 31, 2024
Debt Instrument
Debt	$ 6,713	$ 6,713	$ 6,809
Total cash paid		32
Revolving credit facility
Debt Instrument
Total availability under credit agreement	324	324
Letter of Credit
Debt Instrument
Total availability under credit agreement	24	24
Holding Company Segment
Debt Instrument
Debt	4,664	4,664	4,699
Energy
Debt Instrument
Debt	1,861	1,861	1,919
Automotive Segment
Debt Instrument
Debt	25	25	31
Food Packaging Segment
Debt Instrument
Debt	147	147	144
Real Estate Segment
Debt Instrument
Debt	1	1	1
Home Fashion Segment
Debt Instrument
Debt	15	15	15
Reporting Segments
Debt Instrument
Debt	2,049	2,049	2,110
6.250% senior unsecured notes due 2026 | Holding Company Segment
Debt Instrument
Debt	$ 719	$ 719	$ 719
Interest rate on debt instrument (in percent)	6.25%	6.25%	6.25%
5.250% senior unsecured notes due 2027 | Holding Company Segment
Debt Instrument
Debt	$ 1,384	$ 1,384	$ 1,384
Interest rate on debt instrument (in percent)	5.25%	5.25%	5.25%
4.375% senior unsecured notes due 2029 | Holding Company Segment
Debt Instrument
Debt	$ 656	$ 656	$ 656
Interest rate on debt instrument (in percent)	4.375%	4.375%	4.375%
9.750% senior unsecured notes due 2029 | Holding Company Segment
Debt Instrument
Debt	$ 698	$ 698	$ 698
Interest rate on debt instrument (in percent)	9.75%	9.75%	9.75%
10.000% senior notes due 2029 | Holding Company Segment
Debt Instrument
Debt	$ 495	$ 495	$ 495
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	$ 712	$ 712	$ 747
Interest rate on debt instrument (in percent)	9.00%	9.00%	9.00%
Aggregate principal amount	$ 35	$ 35
Total cash paid	32
Senior secured term loan | Energy
Debt Instrument
Principal amount repaid	$ 70
Loss on extinguishment of debt		$ (1)

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