| Item | Type | Period | Balance | Description | | Retirement Benefits | text | | | |
| Schedule of Defined Benefit Plans Disclosures | text | | | Disclosures about an individual defined benefit pension plan or an other postretirement defined benefit plan. It may be appropriate to group certain similar plans. Also includes schedule for fair value of plan assets by major categories of plan assets by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets or liabilities (Level 1), Significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). |
| Defined Benefit Plan Disclosure | text | | | 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. |
| Retirement Plan Type | text | | | Information by type of retirement benefit plan. Includes, but is not limited to, retirement benefit arrangement for defined benefit pension and other postretirement plans, retirement benefit arrangement for defined contribution pension and other postretirement plans, and special and contractual termination benefits payable upon retirement. |
| Defined Benefit Plan, Net Periodic Benefit Cost (Credit) | text | | | |
| Defined Benefit Plan, Plan Assets, Contributions by Employer | $ | duration | debit | Amount of contribution received by defined benefit plan from employer which increases plan assets. |
| Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year | $ | instant | debit | Amount of contribution expected to be received by defined benefit plan from employer in next fiscal year following current fiscal year. |
| Defined Benefit Plan, Expected Future Employer Contributions, Current Fiscal Year | $ | instant | debit | Amount of contributions received and expected to be received by defined benefit plan from employer in current fiscal year. |
| Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year | $ | instant | debit | Amount of contribution expected to be received by defined benefit plan from employer in remainder of current fiscal year. Excludes contribution previously paid by employer in current fiscal year. |
| Retirement Plan Type | | duration | | Type of plan designed to provide participants with retirement benefits. Includes, but is not limited to, retirement benefit arrangement for defined benefit pension and other postretirement plans, retirement benefit arrangement for defined contribution pension and other postretirement plans, and special and contractual termination benefits payable upon retirement. |
| Defined Benefit Plan, Service Cost | $ | duration | debit | Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. |
| Defined Benefit Plan, Interest Cost | $ | duration | debit | Amount of cost recognized for passage of time related to defined benefit plan. |
| Defined Benefit Plan, Expected Return (Loss) on Plan Assets | $ | duration | credit | Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan. |
| Defined Benefit Plan, Amortization of Prior Service Cost (Credit) | $ | duration | debit | Amount of prior service cost (credit) recognized in net periodic benefit cost (credit) of defined benefit plan. |
| Defined Benefit Plan, Amortization of Gain (Loss) | $ | duration | credit | Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan. |
| Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Total | $ | duration | debit | Amount of net periodic benefit cost (credit) for defined benefit plan. |
| Pension Plan | | duration | | Plan designed to provide participant with pension benefits. Includes, but is not limited to, defined benefit and defined contribution plans. Excludes other postretirement benefits. |
| Other Postretirement Benefits Plan | | duration | | Plan designed to provide other postretirement benefits. Includes, but is not limited to, defined benefit and defined contribution plans. Excludes pension benefits. |