Debt (Schedule of Senior Unsecured Notes Offering) (Details) € in Millions, $ in Millions	Dec. 31, 2025 USD ($)	Dec. 17, 2025 USD ($)	Mar. 14, 2025 USD ($)	Mar. 14, 2025 EUR (€)
Senior unsecured notes due 2031, interest rate of 7.000%
Debt Instrument [Line Items]
Debt Instrument, Face Amount		$ 600
Debt Instrument, Discount Price, Percentage		100.00%
Interest Rate	7.00%	7.00%
Senior unsecured notes due 2034, interest rate of 7.375%
Debt Instrument [Line Items]
Debt Instrument, Face Amount		$ 800
Debt Instrument, Discount Price, Percentage		100.00%
Interest Rate	7.375%	7.375%
Senior unsecured notes due 2030, interest rate of 6.500%
Debt Instrument [Line Items]
Debt Instrument, Face Amount			$ 700
Debt Instrument, Discount Price, Percentage			100.00%	100.00%
Interest Rate	6.50%		6.50%	6.50%
Senior unsecured notes due 2031, interest rate of 5.000%
Debt Instrument [Line Items]
Debt Instrument, Face Amount | €				€ 750
Debt Instrument, Discount Price, Percentage			100.00%	100.00%
Interest Rate	5.00%		5.00%	5.00%
Senior unsecured notes due 2033, interest rate of 6.750%
Debt Instrument [Line Items]
Debt Instrument, Face Amount			$ 1,100
Debt Instrument, Discount Price, Percentage			100.00%	100.00%
Interest Rate	6.75%		6.75%	6.75%
December 2025 Offering of Senior Unsecured Notes
Debt Instrument [Line Items]
Debt Issuance Costs, Gross	$ 38
March 2025 Offering of Senior Unsecured Notes
Debt Instrument [Line Items]
Debt Issuance Costs, Gross	$ 34