Debt (Schedule of Long-term Debt) (Details) - USD ($) $ in Millions		Nov. 25, 2025	Feb. 12, 2025	Dec. 31, 2025	Dec. 17, 2025	Mar. 14, 2025	Dec. 31, 2024	Nov. 30, 2024	Mar. 31, 2022
Debt Instrument [Line Items]
Obligations under finance leases due at various dates through 2054				$ 129			$ 145
Subtotal				12,614			12,527
Unamortized deferred financing costs(5)	[1]			(106)			(56)
Current installments of long-term debt				(1,114)			(1,393)
Long-term debt, net of unamortized deferred financing costs				11,394			11,078
Senior unsecured notes due 2025, interest rate of 1.250%
Debt Instrument [Line Items]
Senior unsecured notes				$ 0			311
Interest Rate				1.25%
Senior unsecured notes due 2025, interest rate of 6.050%
Debt Instrument [Line Items]
Senior unsecured notes				$ 0			1,000
Interest Rate				6.05%
Senior unsecured notes due 2026, interest rate of 5.277%(1)
Debt Instrument [Line Items]
Senior unsecured notes				$ 526			1,040
Interest Rate				5.277%
Senior unsecured notes due 2026, interest rate of 1.400%
Debt Instrument [Line Items]
Senior unsecured notes				$ 400			400
Interest Rate				1.40%
Senior unsecured notes due 2027, interest rate of 2.125%
Debt Instrument [Line Items]
Senior unsecured notes				$ 587			518
Interest Rate				2.125%
Senior unsecured notes due 2027, interest rate of 6.665%(1)
Debt Instrument [Line Items]
Senior unsecured notes				$ 554			2,000
Interest Rate				6.665%
Senior unsecured term loan due 2027(2)
Debt Instrument [Line Items]
Senior unsecured notes				$ 0			880
Senior unsecured notes due 2028, interest rate of 0.625%
Debt Instrument [Line Items]
Senior unsecured notes				$ 587			519
Interest Rate				0.625%
Senior unsecured notes due 2028, interest rate of 6.850%(1)
Debt Instrument [Line Items]
Senior unsecured notes				$ 746			1,000
Interest Rate				6.85%
Senior unsecured notes due 2029, interest rate of 5.587%(1)
Debt Instrument [Line Items]
Senior unsecured notes				$ 588			519
Interest Rate				5.587%
Senior unsecured notes due 2029, interest rate of 6.830%(1)
Debt Instrument [Line Items]
Senior unsecured notes				$ 750			750
Interest Rate				6.83%
Senior unsecured notes due 2030, interest rate of 6.500%
Debt Instrument [Line Items]
Senior unsecured notes				$ 700			0
Interest Rate				6.50%		6.50%
Senior unsecured notes due 2030, interest rate of 7.050%(1)
Debt Instrument [Line Items]
Senior unsecured notes				$ 999			999
Interest Rate				7.05%
Senior unsecured notes due 2031, interest rate of 7.000%
Debt Instrument [Line Items]
Senior unsecured notes				$ 600			0
Interest Rate				7.00%	7.00%
Senior unsecured notes due 2031, interest rate of 5.000%
Debt Instrument [Line Items]
Senior unsecured notes				$ 881			0
Interest Rate				5.00%		5.00%
Senior unsecured notes due 2032, interest rate of 6.879%(1)
Debt Instrument [Line Items]
Senior unsecured notes				$ 1,000			1,000
Interest Rate				6.879%
Senior unsecured notes due 2033, interest rate of 7.200%(1)
Debt Instrument [Line Items]
Senior unsecured notes				$ 1,000			1,000
Interest Rate				7.20%
Senior unsecured notes due 2033, interest rate of 6.750%
Debt Instrument [Line Items]
Senior unsecured notes				$ 1,100			0
Interest Rate				6.75%		6.75%
Senior unsecured notes due 2034, interest rate of 7.375%
Debt Instrument [Line Items]
Senior unsecured notes				$ 800			0
Interest Rate				7.375%	7.375%
Pollution control and industrial revenue bonds due at various dates through 2030(3)
Debt Instrument [Line Items]
Other Long-term debt	[2]			$ 85			$ 126
Pollution control and industrial revenue bonds due at various dates through 2030(3) | Minimum
Debt Instrument [Line Items]
Interest Rate				4.10%			4.10%
Pollution control and industrial revenue bonds due at various dates through 2030(3) | Maximum
Debt Instrument [Line Items]
Interest Rate				4.30%			5.00%
Bank loans due at various dates through 2030(4)
Debt Instrument [Line Items]
Other Long-term debt	[3]			$ 582			$ 320
Long-term Debt, Weighted Average Interest Rate, at Point in Time				2.40%			2.80%
March 2022 U.S. Term Loan Credit Facility
Debt Instrument [Line Items]
Senior unsecured notes									$ 1,000
Interest Rate							6.047%
Various senior notes | Maximum
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Increase (Decrease)		0.50%	0.50%
November 2024 US Term Loan Credit Agreement
Debt Instrument [Line Items]
Senior unsecured notes								$ 1,000

[1] Related to the Company's long-term debt, excluding obligations under finance leases.

[2] Interest rates range from 4.1% to 4.3% and 4.1% to 5.0% as of December 31, 2025 and 2024, respectively.

[3] The weighted average interest rate was 2.4% and 2.8% as of December 31, 2025 and 2024, respectively.