Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Amount
Income (Loss) from continuing operations before taxes	$ (3,062)	$ (148)	$ (337)
United States Statutory Tax Rate	(643)	(31)	(71)
State income taxes, net of federal benefit	10	2	(1)
Foreign Tax Effects	(15)	5	(4)
Tax credits	(9)	(17)	(14)
Changes in Valuation Allowances	332	26	14
Nontaxable or Nondeductible items
Goodwill impairment	361
Other	(16)
Other Adjustments	(4)	2	7
Benefit of income not allocated to the Company		0	3
Income in separate U.S. tax consolidations		1	1
Adjustments based on filed tax returns		(2)	0
Non-deductible expenses		6	45
Change in uncertain tax positions		0	0
Effective Tax Rate	$ 16	$ (8)	$ (20)
Percentage
United States Statutory Tax Rate	21.00%	21.00%	21.00%
State income taxes, net of federal benefit	0.00%	(1.00%)	0.00%
Foreign Tax Effects	0.00%	(3.00%)	1.00%
Tax credits	0.00%	11.00%	4.00%
Changes in Valuation Allowances	(11.00%)	(18.00%)	(4.00%)
Nontaxable or Nondeductible items
Goodwill impairment	(12.00%)
Other	1.00%
Other Adjustments	0.00%	(1.00%)	(2.00%)
Benefit of income not allocated to the Company		0.00%	(1.00%)
Income in separate U.S. tax consolidations		(1.00%)	0.00%
Adjustments based on filed tax returns		1.00%	0.00%
Non-deductible expenses		(4.00%)	(13.00%)
Change in uncertain tax positions		0.00%	0.00%
Effective Tax Rate	(1.00%)	5.00%	6.00%