Fair Value Measurement - Level 3 Analysis (Details) - Recurring - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets fair value	$ 2,288,477		$ 1,829,852
Derivative receivables
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Increase in level 3 assets	3,000
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets fair value	28,043		$ 25,107
Increase in level 3 assets	2,900
Realized/unrealized gains, assets	2,900	$ 2,500
Realized/unrealized gains, liabilities	$ 1,300	$ 127