Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2025

Fair Value Measurements

Schedule of assets and liabilities measured at fair value on a recurring basis

	December 31, 2025								December 31, 2024
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
	(in millions)
Assets
Investments (Note 5)	$	2,108	$	—	$	41	$	2,149	$	2,203	$	31	$	41	$	2,275
Derivative assets, net (Note 7)		—		7		—		7		—		22		—		22
	$	2,108	$	7	$	41	$	2,156	$	2,203	$	53	$	41	$	2,297
Liabilities
Securities sold, not yet purchased (Note 5)	$	1,382	$	—	$	—	$	1,382	$	1,153	$	220	$	—	$	1,373
Derivative liabilities, net (Note 7)		—		595		—		595		6		750		—		756
Other liabilities		—		72		—		72		—		323		—		323
	$	1,382	$	667	$	—	$	2,049	$	1,159	$	1,293	$	—	$	2,452