Shareholders' Equity - Schedule of Preferred Stock (Details) - USD ($) $ / shares in Units, $ in Millions			1 Months Ended
	Jul. 24, 2024	Jan. 31, 2024	Jan. 31, 2024	Apr. 30, 2016	Sep. 30, 2024	Sep. 16, 2024	Dec. 31, 2023
Class of Stock [Line Items]
Amount outstanding					$ 504		$ 504
Series G Preferred Stock, Depository Share
Class of Stock [Line Items]
Preferred stock issued (shares)				20,000,000
Amount outstanding				$ 500
Liquidation preference per share (USD per share)				$ 25
Series G Preferred Stock
Class of Stock [Line Items]
Ownership Interest Per Depositary Share				0.025%
Liquidation preference per share (USD per share)				$ 100,000
Per annum dividend rate				5.35%
Preferred stock					493		493
Series H Preferred Stock, Depository Share
Class of Stock [Line Items]
Liquidation preference per share (USD per share)						$ 1,000
Series H Preferred Stock
Class of Stock [Line Items]
Liquidation preference per share (USD per share)						$ 100,000
Preferred stock					0		494
Series I Preferred Stock, Depository Share
Class of Stock [Line Items]
Preferred stock issued (shares)			1,500,000
Amount outstanding		$ 1,500	$ 1,500
Ownership Interest Per Depositary Share			1.00%
Liquidation preference per share (USD per share)		$ 1,000	$ 1,000
Series I Preferred Stock
Class of Stock [Line Items]
Preferred stock issued (shares)		1,500,000
Ownership Interest Per Depositary Share			1.00%
Liquidation preference per share (USD per share)		$ 100,000	$ 100,000
Per annum dividend rate			6.70%
Per annum dividend rate, basis spread on variable rate			2.613%
Reset period			5 years
Preferred stock					1,481		0
Series J Preferred Stock, Depository Share
Class of Stock [Line Items]
Preferred stock issued (shares)			850,000
Amount outstanding		$ 850	$ 850
Ownership Interest Per Depositary Share	1.00%
Liquidation preference per share (USD per share)	$ 1,000	$ 1,000	$ 1,000
Series J Preferred Stock
Class of Stock [Line Items]
Preferred stock issued (shares)	850,000
Ownership Interest Per Depositary Share			1.00%
Liquidation preference per share (USD per share)	$ 100,000	$ 100,000	$ 100,000
Per annum dividend rate	6.70%		6.70%
Per annum dividend rate, basis spread on variable rate			2.628%
Reset period			5 years
Preferred stock					$ 842		$ 0