| Item | Type | Period | Balance | Description | | Gain (Loss) on Sale of Previously Unissued Stock by Subsidiary | $ | duration | credit | The profit or loss on sales of previously unissued stock by subsidiaries made to investors outside the consolidated group that is not reported as operating income. Represents the difference in the parent company's carrying amount of the equity interest in the subsidiary or equity investee immediately before and after the transaction. |
| Gain (Loss) on Sale of Previously Unissued Stock by Equity Investee | $ | duration | credit | The profit or loss on sales of previously unissued stock by equity investees made to investors outside the consolidated group that is not reported as operating income. Represents the difference in the parent company's carrying amount of the equity interest in the subsidiary or equity investee immediately before and after the transaction. |
| Gain (Loss) on Sale of Previously Unissued Stock by Subsidiary or Equity Investee, Nonoperating Income, Total | $ | duration | credit | The profit or loss on sales of previously unissued stock by subsidiaries or equity investees made to investors outside the consolidated group that is not reported as operating income. Represents the difference in the parent company's carrying amount of the equity interest in the subsidiary or equity investee immediately before and after the transaction. |