Derivatives and Hedging Instruments - Schedule of Offsetting Derivative Assets and Liabilities (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2025	Dec. 31, 2024
Derivative assets
Gross Amounts	$ 278	$ 605
Gross Amounts Offset in the Balance Sheets	0	0
Net Amounts	278	605
Gross Amounts Not Offset in the Balance Sheets	(137)	(75)
Net	$ 141	$ 530
Derivative asset statement of financial position extensible enumeration not disclosed flag	Derivative assets	Derivative assets
Derivative liabilities
Gross Amounts	$ 339	$ 79
Gross Amounts Offset in the Balance Sheets	0	0
Net Amounts	339	79
Gross Amounts Not Offset in the Balance Sheets	(137)	(75)
Net	$ 202	$ 4
Derivative liability statement of financial position extensible enumeration not disclosed flag	Derivative liabilities	Derivative liabilities