Subsequent Events (Details) - Subsequent Event - Senior debt - Parent Company	Jul. 23, 2024 USD ($)
Fixed-To-Floating Rate Notes, Due July 23, 2027
Subsequent Event [Line Items]
Debt instrument, face amount	$ 1,000,000,000
Interest rate	5.102%
Debt instrument, basis spread on variable rate	0.796%
Fixed-To-Floating Rate Notes, Due July 23, 2035
Subsequent Event [Line Items]
Debt instrument, face amount	$ 1,500,000,000
Interest rate	5.401%
Debt instrument, basis spread on variable rate	1.599%