Shareholders' Equity - Schedule of Preferred Stock (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended
	Feb. 28, 2025	Jul. 31, 2024	Jan. 31, 2024	Apr. 30, 2016	Mar. 31, 2026	Dec. 31, 2025
Series G Preferred Stock, Depository Share
Class of Stock [Line Items]
Preferred stock issued (shares)				20,000,000
Preferred stock				$ 500
Liquidation preference per share (USD per share)				$ 25
Series G Preferred Stock
Class of Stock [Line Items]
Preferred stock					$ 493	$ 493
Ownership Interest Per Depositary Share				0.025%
Liquidation preference per share (USD per share)				$ 100,000
Per annum dividend rate				5.35%
Series I Preferred Stock, Depository Share
Class of Stock [Line Items]
Preferred stock issued (shares)			1,500,000
Preferred stock			$ 1,500
Liquidation preference per share (USD per share)			$ 1,000
Series I Preferred Stock
Class of Stock [Line Items]
Preferred stock					1,481	1,481
Ownership Interest Per Depositary Share			1.00%
Liquidation preference per share (USD per share)			$ 100,000
Per annum dividend rate			6.70%
Reset period			5 years
Per annum dividend rate, basis spread on variable rate			2.613%
Series J Preferred Stock, Depository Share
Class of Stock [Line Items]
Preferred stock issued (shares)		850,000
Preferred stock		$ 850
Liquidation preference per share (USD per share)		$ 1,000
Series J Preferred Stock
Class of Stock [Line Items]
Preferred stock					842	842
Ownership Interest Per Depositary Share		1.00%
Liquidation preference per share (USD per share)		$ 100,000
Per annum dividend rate		6.70%
Reset period		5 years
Per annum dividend rate, basis spread on variable rate		2.628%
Series K Preferred Stock, Depository Share
Class of Stock [Line Items]
Preferred stock issued (shares)	750,000
Preferred stock	$ 750
Liquidation preference per share (USD per share)	$ 1,000
Series K Preferred Stock
Class of Stock [Line Items]
Preferred stock					$ 743	$ 743
Ownership Interest Per Depositary Share	1.00%
Liquidation preference per share (USD per share)	$ 100,000
Per annum dividend rate	6.45%
Reset period	5 years
Per annum dividend rate, basis spread on variable rate	2.135%