Debt (Schedule of Long-term Debt) (Details) - USD ($) $ in Millions		Feb. 12, 2025	Nov. 15, 2024	Dec. 31, 2024		Dec. 31, 2023	Aug. 31, 2023
Debt Instrument [Line Items]
Obligations under finance leases due at various dates through 2054				$ 145		$ 148
Subtotal				12,527		13,400
Unamortized deferred financing costs(5)	[1]			(56)		(74)
Current installments of long-term debt				(1,393)		(1,025)
Long-term debt, net of unamortized deferred financing costs				11,078		12,301
Senior unsecured notes due 2024, interest rate of 3.500%
Debt Instrument [Line Items]
Senior unsecured notes				$ 0		473
Interest Rate				3.50%
Senior unsecured notes due 2024, interest rate of 5.900%
Debt Instrument [Line Items]
Senior unsecured notes				$ 0		527
Interest Rate				5.90%
Senior unsecured notes due 2025, interest rate of 1.250%
Debt Instrument [Line Items]
Senior unsecured notes				$ 311		331
Interest Rate				1.25%
Senior unsecured notes due 2025, interest rate of 6.050%
Debt Instrument [Line Items]
Senior unsecured notes				$ 1,000		1,000
Interest Rate				6.05%
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 2026, interest rate of 4.777%
Debt Instrument [Line Items]
Senior unsecured notes				$ 1,040		1,105
Interest Rate				4.777%
Senior unsecured notes due 2027, interest rate of 2.125%
Debt Instrument [Line Items]
Senior unsecured notes				$ 518		551
Interest Rate				2.125%
Senior unsecured notes due 2027, interest rate of 6.165%
Debt Instrument [Line Items]
Senior unsecured notes				$ 2,000		2,000
Interest Rate				6.165%
Senior unsecured term loan due 2027(1)
Debt Instrument [Line Items]
Senior unsecured notes	[2]			$ 880		$ 880
Interest Rate				6.047%		6.943%
Senior unsecured notes due 2028, interest rate of 0.625%
Debt Instrument [Line Items]
Senior unsecured notes				$ 519		$ 552
Interest Rate				0.625%
Senior unsecured notes due 2028, interest rate of 6.350%(2)
Debt Instrument [Line Items]
Senior unsecured notes				$ 1,000	[3]	1,000
Interest Rate			6.60%	6.35%			6.35%
Debt Instrument, Interest Rate, Increase (Decrease)			0.25%
Senior unsecured notes due 2029, interest rate of 5.337%
Debt Instrument [Line Items]
Senior unsecured notes				$ 519		552
Interest Rate				5.337%
Senior unsecured notes due 2029, interest rate of 6.330%
Debt Instrument [Line Items]
Senior unsecured notes				$ 750		750
Interest Rate				6.33%
Senior unsecured notes due 2030, interest rate of 6.550%(2)
Debt Instrument [Line Items]
Senior unsecured notes				$ 999	[3]	999
Interest Rate			6.80%	6.55%			6.55%
Debt Instrument, Interest Rate, Increase (Decrease)			0.25%
Senior unsecured notes due 2032, interest rate of 6.379%
Debt Instrument [Line Items]
Senior unsecured notes				$ 1,000		1,000
Interest Rate				6.379%
Senior unsecured notes due 2033, interest rate of 6.700%(2)
Debt Instrument [Line Items]
Senior unsecured notes				$ 1,000	[3]	1,000
Interest Rate			6.95%	6.70%			6.70%
Debt Instrument, Interest Rate, Increase (Decrease)			0.25%
Pollution control and industrial revenue bonds due at various dates through 2030(3)
Debt Instrument [Line Items]
Other Long-term debt	[4]			$ 126		127
Pollution control and industrial revenue bonds due at various dates through 2030(3) | Minimum
Debt Instrument [Line Items]
Interest Rate				4.10%
Pollution control and industrial revenue bonds due at various dates through 2030(3) | Maximum
Debt Instrument [Line Items]
Interest Rate				5.00%
Bank loans due at various dates through 2030(4)
Debt Instrument [Line Items]
Other Long-term debt	[5]			$ 320		$ 5
Long-term Debt, Weighted Average Interest Rate, at Point in Time				2.80%		2.60%
Various senior notes | Maximum | Subsequent Event [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Increase (Decrease)		0.50%
US Credit Agreements | Subsequent Event [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Increase (Decrease)		0.25%

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

[2] The interest rate was 6.047% and 6.943% as of December 31, 2024 and 2023, respectively.

[3] On November 14, 2024, S&P Global Ratings downgraded the Company's credit rating to BB+, which had the effect of increasing the interest rates by 25 basis points on the senior unsecured notes due 2028, senior unsecured notes due 2030 and senior unsecured notes due 2033 to 6.600%, 6.800% and 6.950%, respectively, effective November 15, 2024.

[4] Interest rates range from 4.1% to 5.0%.

[5] The weighted average interest rate was 2.8% and 2.6% as of December 31, 2024 and 2023, respectively.