XML 46 R35.htm IDEA: XBRL DOCUMENT
v3.25.2

Investment And Other Income, Net (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2025
Investment And Other Income, Net [Abstract] |
Components Of Investment And Other Income |
|  |  | For the three months ended ‎June 30, |  | For the six months ended ‎June 30, |
| ($ in millions) |  | 2025 |  | 2024 |  | 2025 |  | 2024 |
| Interest and dividend income |  | $ | 7 |  | $ | 20 |  | $ | 16 |  | $ | 38 |
| Pension benefit |  |  | 6 |  |  | 9 |  |  | 12 |  |  | 21 |
| OPEB costs |  |  | (1) |  |  | (1) |  |  | (2) |  |  | (2) |
| OPEB remeasurement gain (loss) |  |  | - |  |  | 18 |  |  | (8) |  |  | 27 |
| Pension remeasurement gain (loss) |  |  | - |  |  | (72) |  |  | 44 |  |  | 2 |
| All other, net |  |  | 2 |  |  | 2 |  |  | 1 |  |  | 2 |
| Total investment and other income (loss), net |  | $ | 14 |  | $ | (24) |  | $ | 63 |  | $ | 88 |

X
- References No definition available. + Details
Name: | us-gaap_OtherNonoperatingIncomeExpenseAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of non-operating income or non-operating expense that may include amounts earned from dividends, interest on securities, gains (losses) on securities sold, equity earnings of unconsolidated affiliates, net gain (loss) on sales of business, interest expense and other miscellaneous income or expense items. + References No definition available. + Details
Name: | us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration