Derivative Financial Instruments and Risk Management- Fair value hedges (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Derivatives Fair Value
Carrying Value of the Hedged Liabilities	$ 5,810	$ 5,227
Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Value of the Hedged Liabilities	(186)	(179)
Long-term debt due within one year
Derivatives Fair Value
Carrying Value of the Hedged Liabilities	483	982
Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Value of the Hedged Liabilities	$ (16)	$ (23)
Hedged Liability, Statement of Financial Position [Extensible Enumeration]	Long-term debt due within one year	Long-term debt due within one year
Long-term debt due after one year
Derivatives Fair Value
Carrying Value of the Hedged Liabilities	$ 5,327	$ 4,245
Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Value of the Hedged Liabilities	$ (170)	$ (156)
Hedged Liability, Statement of Financial Position [Extensible Enumeration]	Long-term debt due after one year	Long-term debt due after one year

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No definition available.

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- Definition

Amount of liability hedged in fair value hedging relationship.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4EE
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4EE

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- Definition

Amount of cumulative increase (decrease) in fair value of hedged liability in fair value hedge, attributable to hedged risk.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4EE
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4EE

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- Definition

Indicates line item in statement of financial position that includes hedged liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4EE
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4EE

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