CONTRACT AND OTHER DEFERRED ASSETS, CONTRACT LIABILITIES AND DEFERRED INCOME & PROGRESS COLLECTIONS - Narrative (Details) - USD ($) $ in Millions |
6 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Capitalized Contract Cost [Line Items] | ||
| Contract assets (liabilities) and other deferred assets (income), decrease net liability position | $ 187 | |
| Increase (decrease) in long-term service agreement, liabilities | (202) | |
| Revenue recognized, contract liability | 4,775 | $ 3,892 |
| Increase in progress collections and deferred income due to timing of revenue recognition | 275 | |
| Long-term service agreements | ||
| Capitalized Contract Cost [Line Items] | ||
| Revenues recognized, contract asset | 5,468 | |
| Increase (decrease) due to billings | 5,208 | |
| Net favorable (unfavorable) change in estimated profitability | (42) | |
| Reversal of tariff-related charge | $ 118 | |