Debt (Schedule of Senior Unsecured Notes Offering) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Aug. 24, 2023
Senior unsecured notes due 2028, interest rate of 6.350%
Debt Instrument [Line Items]
Debt Instrument, Face Amount		$ 1,000
Interest Rate	6.35%	6.35%
Debt Instrument, Discount Price, Percentage		99.986%
Senior unsecured notes due 2030, interest rate of 6.550%
Debt Instrument [Line Items]
Debt Instrument, Face Amount		$ 999
Interest Rate	6.55%	6.55%
Debt Instrument, Discount Price, Percentage		99.95%
Senior unsecured notes due 2033, interest rate of 6.700%
Debt Instrument [Line Items]
Debt Instrument, Face Amount		$ 1,000
Interest Rate	6.70%	6.70%
Debt Instrument, Discount Price, Percentage		99.992%
2023 Offering of Senior Unsecured Notes
Debt Instrument [Line Items]
Debt Issuance Costs, Gross		$ 26