Derivative Financial Instruments - Master Netting (Details) - USD ($) $ in Millions		Jun. 30, 2025	Dec. 31, 2024
Derivative Asset [Abstract]
Derivative Asset, Fair Value, Gross		$ 3,339	$ 2,824
Amount Offset		(1,692)	(1,858)
Net Amount in Consolidated Balance Sheets		1,647	966
Held/Pledged Financial Instruments(1)	[1]	0	0
Net Amount		1,647	966
Derivative Liability [Abstract]
Derivative Liability, Fair Value, Gross		(4,596)	(4,700)
Derivative Liability, Subject to Master Netting Arrangement, Gross Asset and Collateral, Right to Reclaim Cash, Offset		2,784	2,414
Net amount		(1,812)	(2,286)
Held/Pledged Financial Instruments(1)	[1]	99	94
Net Amount		(1,713)	(2,192)
Derivatives Subject to Master Netting Arrangements
Derivative Asset [Abstract]
Derivative Asset, Fair Value, Gross		1,942	1,599
Amount Offset		(1,147)	(1,293)
Net Amount in Consolidated Balance Sheets		795	306
Held/Pledged Financial Instruments(1)	[1]	0	0
Net Amount		795	306
Derivative Liability [Abstract]
Derivative Liability, Fair Value, Gross		(3,349)	(3,379)
Derivative Liability, Subject to Master Netting Arrangement, Gross Asset and Collateral, Right to Reclaim Cash, Offset		2,239	1,849
Net amount		(1,110)	(1,530)
Held/Pledged Financial Instruments(1)	[1]	99	94
Net Amount		(1,011)	(1,436)
Derivatives Not Subject to Master Netting Arrangement
Derivative Asset [Abstract]
Derivative Asset, Fair Value, Gross		185	78
Amount Offset		0	0
Net Amount in Consolidated Balance Sheets		185	78
Held/Pledged Financial Instruments(1)	[1]	0	0
Net Amount		185	78
Derivative Liability [Abstract]
Derivative Liability, Fair Value, Gross		(701)	(752)
Derivative Liability, Subject to Master Netting Arrangement, Gross Asset and Collateral, Right to Reclaim Cash, Offset		0	0
Net amount		(701)	(752)
Held/Pledged Financial Instruments(1)	[1]	0	0
Net Amount		(701)	(752)
Exchange Traded
Derivative Asset [Abstract]
Derivative Asset, Fair Value, Gross		1,212	1,147
Amount Offset		(545)	(565)
Net Amount in Consolidated Balance Sheets		667	582
Held/Pledged Financial Instruments(1)	[1]	0	0
Net Amount		667	582
Derivative Liability [Abstract]
Derivative Liability, Fair Value, Gross		(546)	(569)
Derivative Liability, Subject to Master Netting Arrangement, Gross Asset and Collateral, Right to Reclaim Cash, Offset		545	565
Net amount		(1)	(4)
Held/Pledged Financial Instruments(1)	[1]	0	0
Net Amount		$ (1)	$ (4)

[1] The fair value of held/pledged financial instruments is limited to the carrying amount of the associated derivative asset or liability.