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EMPLOYEE BENEFIT PLANS - Narrative (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Defined Benefit Plan Disclosure |  |  |
Discount rate for 17-year amortization period of unfunded liability for frozen defined benefit plan (percent) | 8.85% |  |
Estimated funding by employer in next fiscal year | $ 0 |  |
Defined contribution plan costs | $ 1,200,000,000 | $ 1,000,000,000 | $ 875,000,000
Assumed healthcare plan pre age | 65 years |  |
Assumed healthcare plan post age | 65 years |  |
Projected benefit obligation | $ 8,600,000,000 |  |
Fair value of plan asset | $ 8,400,000,000 |  |
Weighted average expected long-term rate of return on plan assets | 7.00% | 7.00% | 8.98%
Profit sharing | $ 1,383,000,000 | $ 563,000,000 | $ 108,000,000
Growth-seeking assets | Minimum |  |  |
Defined Benefit Plan Disclosure |  |  |
Plan assets, target allocations (percent) | 20.00% |  |
Growth-seeking assets | Maximum |  |  |
Defined Benefit Plan Disclosure |  |  |
Plan assets, target allocations (percent) | 40.00% |  |
Income-generating assets | Minimum |  |  |
Defined Benefit Plan Disclosure |  |  |
Plan assets, target allocations (percent) | 25.00% |  |
Income-generating assets | Maximum |  |  |
Defined Benefit Plan Disclosure |  |  |
Plan assets, target allocations (percent) | 35.00% |  |
Risk-diversifying assets | Minimum |  |  |
Defined Benefit Plan Disclosure |  |  |
Plan assets, target allocations (percent) | 35.00% |  |
Risk-diversifying assets | Maximum |  |  |
Defined Benefit Plan Disclosure |  |  |
Plan assets, target allocations (percent) | 45.00% |  |

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- Definition Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-8 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (k)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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