Other Events (Details) - USD ($) $ / shares in Units, $ in Millions	Feb. 28, 2022	May 04, 2023	Mar. 31, 2023	Dec. 31, 2022
Subsequent Event [Line Items]
Carrying Amount			$ 1,014	$ 1,014
TD Transaction | Series G Convertible Preferred Stock
Subsequent Event [Line Items]
Sale of preferred stock, net	$ 494
Preferred stock convertible as a percent of outstanding shares	4.90%
Fixed rate of conversion (in shares)	4,000
Conversion price (USD per share)	$ 25
Carrying Amount			$ 494
TD Transaction | Series G Convertible Preferred Stock | Forecast
Subsequent Event [Line Items]
Percent of outstanding common stock upon conversion		3.50%
Subsequent Event | TD Transaction
Subsequent Event [Line Items]
Merger agreement termination payment to be received		$ 200
Merger agreement fee reimbursement payment to be received		$ 25