Long-term debt (Details) - CHF (SFr) SFr in Millions	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019
Long-term debt
Senior	SFr 128,417	SFr 104,958	SFr 108,667
Subordinated	39,206	38,087	41,667
Non-recourse liabilities from consolidated VIEs	1,803	1,878	1,671
Long-term debt	169,426	144,923	152,005
of which reported at fair value	68,798	60,360	70,331
Structured notes
Long-term debt
Long-term debt	47,398	SFr 40,171	49,435
Bank
Long-term debt
Senior	98,787		88,307
Subordinated	67,964		61,022
Non-recourse liabilities from consolidated VIEs	1,803		1,671
Long-term debt	168,554		151,000
of which reported at fair value	67,959		69,406
Bank \| Structured notes
Long-term debt
Long-term debt	SFr 47,398		SFr 49,435

This element represents the nonrecourse liabilities from consolidated variable interest entities.

No definition available.

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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.

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- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of long-term debt (with maturities initially due after one year or beyond the operating cycle if longer) identified as Junior Subordinated Notes, which have a lower priority than senior instruments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16)(a))
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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)(3)
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+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

No definition available.

+ Details

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- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

+ References

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