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This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' 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Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.","units":{"USD":[{"end":"2019-12-31","val":0,"accn":"0000945764-20-000176","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-16","frame":"CY2019Q4I"},{"end":"2020-09-30","val":85000000,"accn":"0000945764-20-000176","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-16","frame":"CY2020Q3I"}]}},"LitigationReserveCurrent":{"label":"Estimated Litigation Liability, Current","description":"Carrying amount of reserve for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs, which is expected to be paid within one year of the date of the statement of financial position.","units":{"USD":[{"end":"2020-06-30","val":52200000,"accn":"0000945764-20-000082","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-11","frame":"CY2020Q2I"},{"end":"2020-09-30","val":52700000,"accn":"0000945764-20-000176","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-16","frame":"CY2020Q3I"},{"end":"2022-06-30","val":3900000,"accn":"0000945764-22-000075","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"end":"2022-06-30","val":3900000,"accn":"0000945764-22-000088","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-03"},{"end":"2022-06-30","val":3900000,"accn":"0000945764-23-000028","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-23"},{"end":"2022-06-30","val":3900000,"accn":"0000945764-23-000080","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-04"},{"end":"2022-06-30","val":3900000,"accn":"0000945764-23-000112","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-08-04"},{"end":"2022-06-30","val":3900000,"accn":"0000945764-23-000167","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-11-21","frame":"CY2022Q2I"}]}},"LitigationReserveNoncurrent":{"label":"Estimated Litigation Liability, Noncurrent","description":"Carrying amount of estimated litigation liability for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs, which is expected to be paid after one year or beyond the normal operating cycle, if longer.","units":{"USD":[{"end":"2018-12-31","val":46000000,"accn":"0000945764-19-000021","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-01"},{"end":"2018-12-31","val":49400000,"accn":"0000945764-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":49800000,"accn":"0000945764-19-000060","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2019Q1I"},{"end":"2019-06-30","val":50200000,"accn":"0000945764-19-000134","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09","frame":"CY2019Q2I"},{"end":"2019-09-30","val":50700000,"accn":"0000945764-19-000150","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-08","frame":"CY2019Q3I"},{"end":"2019-12-31","val":51200000,"accn":"0000945764-20-000009","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-27","frame":"CY2019Q4I"},{"end":"2020-03-31","val":51700000,"accn":"0000945764-20-000042","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-18","frame":"CY2020Q1I"}]}},"LitigationSettlementAmount":{"label":"Litigation Settlement, Amount (Deprecated 2017-01-31)","description":"Amount of judgment or settlement awarded to (against) the entity in respect of litigation.","units":{"USD":[{"start":"2016-04-01","end":"2016-06-30","val":27500000,"accn":"0000945764-17-000013","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-01","frame":"CY2016Q2"},{"end":"2016-06-30","val":27500000,"accn":"0000945764-16-000128","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2016-06-30","val":27500000,"accn":"0000945764-16-000136","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-07","frame":"CY2016Q2I"}]}},"LoansAndLeasesReceivableAllowance":{"label":"Loans and Leases Receivable, Allowance","description":"Amount of allowance to cover probable credit losses on loans and leases. 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Excludes loans and leases covered under loss sharing agreements.","units":{"USD":[{"end":"2018-12-31","val":16900000,"accn":"0000945764-19-000021","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-01","frame":"CY2018Q4I"}]}},"LoansAndLeasesReceivableNetReportedAmount":{"label":"Loans and Leases Receivable, Net Amount","description":"Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. 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