| Item | Type | Period | Balance | Description | | Supplemental Cash Flow Elements | text | | | |
| Cash Flow Supplemental Disclosures Text Block | | | | |
| Cash Flow, Operating Capital | | duration | | Tabular disclosure of the net increase (decrease) in operating capital in the operating section of the statement of cash flows, represents the entire footnote disclosure that provides details regarding the net change during the reporting period of all assets and liabilities used in operating activities. |
| Schedule of Cash Flow, Supplemental Disclosures | | duration | | Tabular disclosure of supplemental cash flow information for the periods presented. |
| Supplemental Cash Flow Information | text | | | |
| Cash Flow, Noncash Investing and Financing Activities Disclosure | text | | | |
| Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents | text | | | |
| Supplemental Cash Flow Information Related Text | text | | | Additional textual information about cash receipts or disbursements in the period required to be supplementally disclosed. |
| Interest Paid, Including Capitalized Interest, Operating and Investing Activities | text | | | |
| Income Taxes Paid, Net | text | | | |
| Income Tax Refunds, Discontinued Operations | $ | duration | debit | The amount of cash received during the period as refunds for the overpayment of taxes from discontinued operations. |
| Interest Paid, Discontinued Operations | $ | duration | credit | The amount of cash paid during the current period for interest owed on debt associated with discontinued operations. |
| Proceeds from Stock Options Exercised | $ | duration | debit | Amount of cash inflow from exercise of option under share-based payment arrangement. |
| Noncash Investing And Financing Activities Related Text | | | | |
| Schedule Of Noncash Or Part Noncash Acquisitions Text Block | | | | |
| Schedule Of Noncash Or Part Noncash Divestitures Text Block | | | | |
| Schedule of Conversions of Stock | | duration | | Tabular disclosure of information related to converting stock into another financial instrument(s) in a noncash (or part noncash) transaction. |
| Schedule of Dividends Payable | | duration | | Tabular disclosure of all or some of the information related to dividends declared, but not paid, as of the financial reporting date. |
| Schedule of Other Significant Noncash Transactions | | duration | | Tabular disclosure of noncash investing and financing activities, classified as other. |
| Schedule Of Debt Conversions Text Block | | | | |
| Other Noncash Investing and Financing Items | text | | | |
| Cash and Cash Equivalents, at Carrying Value, Total | $ | instant | debit | Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. |
| Restricted Cash and Cash Equivalents | text | | | |
| Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Beginning Balance | $ | instant | debit | Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. |