Debt (Schedule of Cash Tender Offer) (Details)	12 Months Ended
	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 17, 2025 USD ($)	Mar. 21, 2025 USD ($)	Mar. 21, 2025 EUR (€)
Debt Instrument [Line Items]
Refinancing expense	$ 68,000,000	$ 0	$ 7,000,000
Senior unsecured notes due 2027, interest rate of 6.665%(1)
Debt Instrument [Line Items]
Debt Instrument, Repurchased Face Amount				$ 946,000,000	$ 500,000,000
Debt Instrument Tender Purchase Price Per 1000 Principal Amount				1,037.5	1,031.1
Debt Instrument, Repurchase Amount				981,000,000	$ 516,000,000
Interest Rate	6.665%
Senior unsecured notes due 2028, interest rate of 6.850%(1)
Debt Instrument [Line Items]
Debt Instrument, Repurchased Face Amount				254,000,000
Debt Instrument Tender Purchase Price Per 1000 Principal Amount				1,055
Debt Instrument, Repurchase Amount				$ 268,000,000
Interest Rate	6.85%
December 2025 Tender Offers
Debt Instrument [Line Items]
Refinancing expense	$ 36,000,000
Senior unsecured notes due 2025, interest rate of 6.050%
Debt Instrument [Line Items]
Interest Rate	6.05%
March 2025 Tender Offers
Debt Instrument [Line Items]
Refinancing expense	$ 32,000,000
Senior unsecured notes due 2026, interest rate of 5.277%(1)
Debt Instrument [Line Items]
Debt Instrument, Repurchased Face Amount | €						€ 552,000,000
Debt Instrument Tender Purchase Price Per 1000 Principal Amount | €						1,026.68
Debt Instrument, Repurchase Amount | €						€ 567,000,000
Interest Rate	5.277%