Subsequent Event (Details) - Subsequent Event - Parent Company - Senior Notes $ in Millions	Jul. 28, 2022 USD ($)
Fixed Rate/Floating Rate Senior Notes Due July 2030
Subsequent Event [Line Items]
Principal amount	$ 1,000
Fixed Rate/Floating Rate Senior Notes Due July 2030 | One year prior to maturity date
Subsequent Event [Line Items]
Redemption period	1 year
Fixed Rate/Floating Rate Senior Notes Due July 2030 | 60 days prior to maturity date
Subsequent Event [Line Items]
Redemption period	60 days
Fixed Rate/Floating Rate Senior Notes Due July 2030 | SOFR
Subsequent Event [Line Items]
Basis spread on variable rate (as a percent)	2.127%
Fixed Rate/Floating Rate Senior Notes Due July 2030 | SOFR | Interest rate swap
Subsequent Event [Line Items]
Basis spread on variable rate (as a percent)	2.132%
Fixed Rate 4.772 Percent Senior Notes Due July 2030
Subsequent Event [Line Items]
Interest rate	4.772%