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Income Taxes - Schedule of Deferred Income Tax Assets and Liabilities (Details) - USD ($)	Dec. 31, 2025	Dec. 31, 2024
Deferred income tax assets:
Net operating loss carryforwards	$ 490,000,000	$ 364,000,000
Capital loss carryforwards	136,000,000	220,000,000
Employee benefit accruals	97,000,000	115,000,000
Equity method investment	363,000,000	0
Other deferred tax assets	292,000,000	170,000,000
Total gross deferred income tax assets	1,378,000,000	869,000,000
Less valuation allowance	(914,000,000)	(505,000,000)
Total deferred income tax assets	464,000,000	364,000,000
Deferred income tax liabilities:
Equity method investment	(498,000,000)	(15,000,000)
Amortization of goodwill and intangible assets	(695,000,000)	(707,000,000)
Deferred contract costs	(298,000,000)	(259,000,000)
Other deferred tax liabilities	(161,000,000)	(232,000,000)
Total deferred income tax liabilities	(1,652,000,000)	(1,213,000,000)
Net deferred income tax liability	$ (1,188,000,000)	$ (849,000,000)

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