Common, Preferred and Treasury Stock - Treasury Stock (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Accelerated Share Repurchases [Line Items]
Amount	$ 201	$ 100	$ 1,393
December 8, 2022 ASR
Accelerated Share Repurchases [Line Items]
Amount		$ 100
Shares Repurchased on Repurchase Date (in shares)		2,636,476
Shares Received from Forward Contract Settlement (in shares)		442,986
Total Shares Repurchased (in shares)		3,079,462
January 26, 2021 ASR
Accelerated Share Repurchases [Line Items]
Amount	$ 200
Shares Repurchased on Repurchase Date (in shares)	4,911,875
Shares Received from Forward Contract Settlement (in shares)	678,121
Total Shares Repurchased (in shares)	5,589,996