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Derivative instruments - Effect of Fair Value Hedge Relationships on Income Statement (Details) $ in Millions	3 Months Ended
	Mar. 31, 2023 USD ($)
Fair Value Hedging | Interest Expense | Designated as hedging instrument
Derivative Instruments, Gain (Loss) [Line Items]
Effect of fair value relationships	$ (5)

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Total amount of gain (loss) derived from fair value hedges recognized in earnings in the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5624171-113959

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- Details

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- Details

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