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Period Type:

Debt (Narrative) (Details) - USD ($)		1 Months Ended				12 Months Ended
Debt (Narrative) (Details) - USD ($)	Sep. 29, 2024	Nov. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Oct. 31, 2023	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Sep. 30, 2024	Feb. 29, 2024	Nov. 30, 2023	Sep. 30, 2023
Debt Instrument [Line Items]
Commercial paper outstanding						$ 0	$ 0
Repayments of principal in 2025						518,000,000
Repayments of principal in 2026						1,200,000,000
Repayments of principal in 2027						1,300,000,000
Repayments of principal in 2028						22,000,000
Repayments of principal in 2029						1,500,000,000
Payments of financing costs						23,000,000	0	$ 0
Senior Notes
Debt Instrument [Line Items]
Debt instrument, amount		$ 7,250,000,000
Revolving Credit Facility
Debt Instrument [Line Items]
Debt instrument, term					5 years
Revolving credit facility, borrowing capacity					$ 3,500,000,000
New Facility \| Revolving Credit Facility
Debt Instrument [Line Items]
Revolving credit facility, borrowing capacity												$ 2,800,000,000
Amended Revolving Credit Facility \| Revolving Credit Facility
Debt Instrument [Line Items]
Revolving credit facility, amount outstanding						0	0
Uncommitted Credit Facility \| Revolving Credit Facility
Debt Instrument [Line Items]
Revolving credit facility, amount outstanding							0
Other Debt Facilities
Debt Instrument [Line Items]
Revolving credit facility, amount outstanding						0	0
Debt instrument, unused borrowing capacity						123,000,000	113,000,000
Letters of credit outstanding, amount						$ 163,000,000	$ 139,000,000
Senior notes – 4.550% due 2027
Debt Instrument [Line Items]
Interest rate		4.55%				4.55%
Senior notes – 4.550% due 2027 \| Senior Notes
Debt Instrument [Line Items]
Debt instrument, amount		$ 950,000,000
4.650% Senior Debt Obligations Due 2030
Debt Instrument [Line Items]
Interest rate		4.65%
4.650% Senior Debt Obligations Due 2030 \| Senior Notes
Debt Instrument [Line Items]
Debt instrument, amount		$ 1,000,000,000
Senior notes – 4.850% due 2031
Debt Instrument [Line Items]
Interest rate		4.85%				4.85%
Senior notes – 4.850% due 2031 \| Senior Notes
Debt Instrument [Line Items]
Debt instrument, amount		$ 1,000,000,000
5.000% Senior Debt Obligations Due 2035
Debt Instrument [Line Items]
Interest rate		5.00%
5.000% Senior Debt Obligations Due 2035 \| Senior Notes
Debt Instrument [Line Items]
Debt instrument, amount		$ 2,000,000,000
5.350% Senior Debt Obligations Due 2044
Debt Instrument [Line Items]
Interest rate		5.35%
5.350% Senior Debt Obligations Due 2044 \| Senior Notes
Debt Instrument [Line Items]
Debt instrument, amount		$ 500,000,000
5.400% Senior Debt Obligations Due 2055
Debt Instrument [Line Items]
Interest rate		5.40%
5.400% Senior Debt Obligations Due 2055 \| Senior Notes
Debt Instrument [Line Items]
Debt instrument, amount		$ 1,500,000,000
Senior notes – Floating due 2027 \| Senior Notes
Debt Instrument [Line Items]
Debt instrument, amount		$ 300,000,000
Basis spread on variable rate		0.70%
3.50% Senior Debt Obligations June 2024
Debt Instrument [Line Items]
Interest rate			3.50%
3.50% Senior Debt Obligations June 2024 \| Senior Notes
Debt Instrument [Line Items]
Repayments of debt			$ 600,000,000
3.875% Senior Debt Obligations March 2024
Debt Instrument [Line Items]
Interest rate				3.875%
3.875% Senior Debt Obligations March 2024 \| Senior Notes
Debt Instrument [Line Items]
Repayments of debt				$ 1,000,000,000
Senior notes – 5.150% due 2034
Debt Instrument [Line Items]
Interest rate						5.15%				5.15%
Senior notes – 5.150% due 2034 \| Senior Notes
Debt Instrument [Line Items]
Debt instrument, amount										$ 500,000,000
Senior notes – 5.450% due 2054
Debt Instrument [Line Items]
Interest rate						5.45%				5.45%
Senior notes – 5.450% due 2054 \| Senior Notes
Debt Instrument [Line Items]
Debt instrument, amount										$ 500,000,000
4.05% Senior Debt Obligations October 2023
Debt Instrument [Line Items]
Interest rate					4.05%
4.05% Senior Debt Obligations October 2023 \| Senior Notes
Debt Instrument [Line Items]
Repayments of debt					$ 250,000,000
Senior notes – 5.400% due 2033
Debt Instrument [Line Items]
Interest rate						5.40%			5.40%
Senior notes – 5.400% due 2033 \| Senior Notes
Debt Instrument [Line Items]
Debt instrument, amount									$ 600,000,000
Senior notes – 5.700% due 2053
Debt Instrument [Line Items]
Interest rate						5.70%			5.70%
Senior notes – 5.700% due 2053 \| Senior Notes
Debt Instrument [Line Items]
Debt instrument, amount									$ 1,000,000,000
Senior notes – 5.450% due 2053
Debt Instrument [Line Items]
Interest rate				5.45%		5.45%
Senior notes – 5.450% due 2053 \| Senior Notes
Debt Instrument [Line Items]
Debt instrument, amount				$ 600,000,000
Commercial Paper
Debt Instrument [Line Items]
Short-term debt					$ 2,800,000,000						$ 3,500,000,000
Line of Credit \| Bridge Loan Facility
Debt Instrument [Line Items]
Debt instrument, term	364 days
Revolving credit facility, borrowing capacity	$ 7,750,000,000
Payments of financing costs	$ 23,000,000