SHAREOWNERS' EQUITY - Activity in Deferred Compensation Program (Details) - USD ($) shares in Millions, $ in Millions  | 
3 Months Ended | |
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Mar. 31, 2024  | 
Mar. 31, 2023  | 
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| Stockholders Equity Note [Roll Forward] | ||
| Balance at beginning of period (in shares) | 0.2 | |
| Balance at beginning of period | $ 17,306 | |
| Balance at end of period (in shares) | 0.1 | |
| Balance at end of period | $ 16,909 | |
| Deferred Compensation Obligations | ||
| Stockholders Equity Note [Roll Forward] | ||
| Balance at beginning of period | 9 | $ 13 | 
| Reinvested dividends | 0 | 0 | 
| Benefit payments | (3) | (4) | 
| Balance at end of period | $ 6 | $ 9 | 
| Treasury Stock | ||
| Stockholders Equity Note [Roll Forward] | ||
| Balance at beginning of period (in shares) | 0.0 | 0.0 | 
| Balance at beginning of period | $ (9) | $ (13) | 
| Reinvested dividends (in shares) | 0.0 | 0.0 | 
| Reinvested dividends | $ 0 | $ 0 | 
| Benefit payments (in shares) | 0.0 | 0.0 | 
| Benefit payments | $ 3 | $ 4 | 
| Balance at end of period (in shares) | 0.0 | 0.0 | 
| Balance at end of period | $ (6) | $ (9) | 
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- Definition Deferred Compensation Payment No definition available. 
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- Definition Number of shares issued pursuant to the terms of a deferred compensation arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available. 
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- Definition Number of shares issued during the period from a dividend reinvestment plan (DRIP). A dividend reinvestment plan allows the shareholders to reinvest dividends paid to them by the entity on new issues of stock by the entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition Value of stock issued during the period from a dividend reinvestment plan (DRIP). A dividend reinvestment plan allows the holder of the stock to reinvest dividends paid to them by the entity on new issues of stock by the entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition Amount of equity (deficit) attributable to parent. Excludes temporary equity and equity attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/exampleRef 
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- Definition Number of previously issued common shares repurchased by the issuing entity and held in treasury. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Details 
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- Details 
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