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Long-term Corporate Debt and Borrowing Arrangements (Narrative) (Details) - USD ($)	1 Months Ended	9 Months Ended
	Jul. 30, 2025	Sep. 30, 2025	May 31, 2025	Feb. 28, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Line of credit balance		$ 21,270,000,000
Available capacity		1,934,000,000
Line of Credit \| SBLC Facility
Debt Instrument [Line Items]
Line of credit balance		467,000,000
Letters of credit issued		467,000,000
Floating Rate Term Loan December 2025 \| Loans Payable
Debt Instrument [Line Items]
Long-term debt				$ 500,000,000
8.375% Senior Notes \| Senior Notes
Debt Instrument [Line Items]
Long-term debt		$ 600,000,000			$ 0
Debt issued			$ 600,000,000
Debt instrument stated interest percentage		8.375%
5.750% Senior Notes \| Senior Notes
Debt Instrument [Line Items]
Long-term debt		$ 644,000,000			740,000,000
Debt instrument stated interest percentage		5.75%
Debt repurchased		$ 100,000,000
Floating Rate Term Loan \| Loans Payable
Debt Instrument [Line Items]
Long-term debt		$ 1,134,000,000			$ 1,153,000,000
Basis points	2.50%	2.50%