Income Taxes - Income Taxes Paid, Net of Refunds (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Tax Paid, by Individual Jurisdiction [Line Items]
Federal	$ 97	$ 113	$ 10
State & local
Total state & local	331	57	60
Foreign
Total foreign	23	9	38
Total income taxes paid, net	451	179	108
Texas
State & local
Total state & local	34	27	26
Illinois
State & local
Total state & local	42		18
California
State & local
Total state & local	190	(10)	(10)
Other
State & local
Total state & local	65	40	26
Puerto Rico
Foreign
Total foreign			35
Other
Foreign
Total foreign	$ 23	$ 9	$ 3

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