Legal Contingencies (Details) - USD ($) $ in Millions	Aug. 14, 2023	Nov. 07, 2022	Sep. 30, 2023
Loss Contingencies [Line Items]
Loss Contingency Accrual			$ 313
Pending Litigation [Member]
Loss Contingencies [Line Items]
Loss Contingency, Damages Sought, Value		$ 832
Judicial Ruling [Member] | Junior Preferred Shareholder [Member]
Loss Contingencies [Line Items]
Loss Contingency, Damages Awarded, Value	$ 282
Judicial Ruling [Member] | Common Shareholder [Member]
Loss Contingencies [Line Items]
Loss Contingency, Damages Awarded, Value	$ 31