Financial Instruments: (Narrative) (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Derivative [Line Items] | ||||
| Fair value hedge amount | $ 6,148 | $ 6,148 | ||
| Cumulative fair value loss of hedged liability | 12 | 12 | ||
| Indonesia | Level 2 | ||||
| Derivative [Line Items] | ||||
| Other investments | 24 | 24 | ||
| Fair Value Hedging, Discontinued | ||||
| Derivative [Line Items] | ||||
| Fair value hedge amount | 1,396 | 1,396 | ||
| Net Investment Hedging | Foreign Debt | ||||
| Derivative [Line Items] | ||||
| Pre-tax gain (loss) reported as a component of accumulated other comprehensive losses within currency translation adjustments | (6) | $ 0 | 7 | $ 0 |
| Foreign exchange contracts | ||||
| Derivative [Line Items] | ||||
| Derivative instruments, gains to be reclassified to earnings | $ 171 | $ 171 | ||
| X | ||||||||||
- Definition 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. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition The estimated net amount of unrealized gains or losses on foreign currency cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of liability hedged in fair value hedging relationship. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of cumulative increase (decrease) in fair value of hedged liability in fair value hedge, attributable to hedged risk. Excludes cumulative basis adjustment related to foreign exchange risk. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount before tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|