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v3.25.1

Debt (Narrative) (Details) - USD ($) | 1 Months Ended | 3 Months Ended |  |
--- | --- | --- | --- | ---
Mar. 31, 2025 | Nov. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Mar. 31, 2025 | Dec. 31, 2024 | Feb. 29, 2024
Debt Instrument [Line Items] |  |  |  |  |  |  |
Commercial paper | $ 1,048,000,000 |  |  |  | $ 1,048,000,000 | $ 0 |
Senior Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, amount |  | $ 7,250,000,000 |  |  |  |  |
Other Debt Facilities |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Revolving credit facility, amount outstanding | 0 |  |  |  | 0 | 0 |
Debt instrument, unused borrowing capacity | 122,000,000 |  |  |  | 122,000,000 | 123,000,000 |
Letters of credit outstanding, amount | $ 180,000,000 |  |  |  | $ 180,000,000 | 163,000,000 |
3.50% Senior Debt Obligations June 2024 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Interest rate (as a percent) | 3.50% |  |  |  | 3.50% |  |
3.50% Senior Debt Obligations June 2024 | Senior Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Repayments of debt | $ 500,000,000 |  |  |  |  |  |
Senior notes – 4.550% due 2027 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Interest rate (as a percent) | 4.55% | 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 (as a percent) |  | 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 (as a percent) | 4.85% | 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 (as a percent) |  | 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 (as a percent) |  | 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 (as a percent) |  | 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% |  |  |  |  |
Senior notes – 3.50% due 2024 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Interest rate (as a percent) |  |  | 3.50% |  |  |  |
Senior notes – 3.50% due 2024 | Senior Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Repayments of debt |  |  | $ 600,000,000 |  |  |  |
3.875% Senior Debt Obligations October 2024 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Interest rate (as a percent) |  |  |  | 3.875% |  |  |
3.875% Senior Debt Obligations October 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 (as a percent) | 5.15% |  |  |  | 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 (as a percent) | 5.45% |  |  |  | 5.45% |  | 5.45%
Senior notes – 5.450% due 2054 | Senior Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, amount |  |  |  |  |  |  | $ 500,000,000
Revolving Credit Facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Revolving credit facility, borrowing capacity | $ 3,500,000,000 |  |  |  | $ 3,500,000,000 |  |
Debt instrument, term |  |  |  |  | 5 years |  |
Revolving Credit Facility | Amended Revolving Credit Facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Revolving credit facility, amount outstanding | 0 |  |  |  | $ 0 | $ 0 |
Commercial Paper |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Short-term debt | $ 3,500,000,000 |  |  |  | $ 3,500,000,000 |  |
Effective interest rate (as a percent) | 4.65% |  |  |  | 4.65% |  |

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- Definition Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(13)(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)(a)(3)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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