Debt - Holding Company Debt (Details) - USD ($)	2 Months Ended	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2024	Sep. 25, 2024	Sep. 24, 2024	Aug. 31, 2024	Jun. 13, 2024	May 31, 2024	Apr. 30, 2024	Feb. 29, 2024	Dec. 31, 2023
Debt Instrument
Debt	$ 6,447,000,000	$ 6,447,000,000								$ 7,207,000,000
Total cash paid		168,000,000
Revolving credit facility
Debt Instrument
Total availability under credit agreement	329,000,000	329,000,000
Letter of Credit
Debt Instrument
Total availability under credit agreement	24,000,000	24,000,000
Holding Company
Debt Instrument
Debt	4,683,000,000	4,683,000,000								4,847,000,000
Aggregate principal amount	177,000,000	177,000,000
Total cash paid	168,000,000
Holding Company | Revolving credit facility
Debt Instrument
Line of credit facility additional borrowing capacity			$ 70,000,000
Line of credit Facility maximum borrowing capacity			$ 345,000,000	$ 275,000,000
Energy
Debt Instrument
Debt	1,582,000,000	1,582,000,000								2,185,000,000
Automotive Segment
Debt Instrument
Debt	24,000,000	24,000,000								33,000,000
Food Packaging Segment
Debt Instrument
Debt	142,000,000	142,000,000								133,000,000
Real Estate Segment
Debt Instrument
Debt	2,000,000	2,000,000								1,000,000
Home Fashion Segment
Debt Instrument
Debt	14,000,000	14,000,000								8,000,000
Reporting Segments
Debt Instrument
Debt	$ 1,764,000,000	1,764,000,000								2,360,000,000
5.25% senior unsecured notes due 2025 [Member] | Energy
Debt Instrument
Interest rate on debt instrument (in percent)									5.25%
Debt face amount									$ 600,000,000
Loss on extinguishment of debt		$ (1,000,000)
6.375% senior unsecured notes due 2025 | Holding Company
Debt Instrument
Debt										$ 749,000,000
Interest rate on debt instrument (in percent)	6.375%	6.375%				6.375%				6.375%
6.250% senior unsecured notes due 2026 | Holding Company
Debt Instrument
Debt	$ 1,198,000,000	$ 1,198,000,000								$ 1,238,000,000
Interest rate on debt instrument (in percent)	6.25%	6.25%						6.25%		6.25%
Debt face amount								$ 12,000,000
Aggregate principal amount	$ 52,000,000	$ 52,000,000
5.250% senior unsecured notes due 2027 | Holding Company
Debt Instrument
Debt	$ 1,384,000,000	$ 1,384,000,000								$ 1,454,000,000
Interest rate on debt instrument (in percent)	5.25%	5.25%						5.25%		5.25%
Debt face amount								$ 5,000,000
Aggregate principal amount	$ 73,000,000	$ 73,000,000
4.375% senior unsecured notes due 2029 | Holding Company
Debt Instrument
Debt	$ 656,000,000	$ 656,000,000								$ 708,000,000
Interest rate on debt instrument (in percent)	4.375%	4.375%								4.375%
Aggregate principal amount	$ 52,000,000	$ 52,000,000
9.750% senior unsecured notes due 2029 | Holding Company
Debt Instrument
Debt	$ 698,000,000	$ 698,000,000								$ 698,000,000
Interest rate on debt instrument (in percent)	9.75%	9.75%			9.75%					9.75%
Debt face amount					$ 700
Unregistered 9.750% senior notes due 2029 | Holding Company
Debt Instrument
Interest rate on debt instrument (in percent)					9.75%
Debt face amount					$ 700
9.000% senior unsecured notes due 2030 | Holding Company
Debt Instrument
Debt	$ 747,000,000	$ 747,000,000
Interest rate on debt instrument (in percent)	9.00%	9.00%			9.00%		9.00%			9.00%
Debt face amount					$ 750		$ 750,000,000
Unregistered 9.000% senior notes due 2030 | Holding Company
Debt Instrument
Interest rate on debt instrument (in percent)					9.00%
Debt face amount					$ 750